Table of Contents

Nettle: Natural Support for Allergy Symptoms

Takeaways

  • Nettle contains natural antihistamines that may help relieve allergy symptoms
  • Rich in nutrients, nettle supports overall health and immune function
  • Available in various forms including tea, supplements, and fresh leaves
  • Generally safe but may interact with certain medications
  • Research shows potential benefits for allergies, joint health, and more
  • Sustainable and environmentally friendly plant with multiple uses

Understanding Nettle

Nettle, known scientifically as Urtica dioica, is a plant that has been used for medicinal purposes for a long time.[1] This leafy green herb grows naturally in many regions and has a history of use in traditional medicine. It is now being studied for its potential health benefits, especially in the management of allergy symptoms.

The use of nettle goes back to ancient times. Historical records indicate that the ancient Egyptians used nettle to address arthritis and back pain.[2] In medieval Europe, it was a common remedy for joint issues and as a diuretic.[3] Native Americans used nettle for multiple purposes, including treating muscle pain and as a source of nutrition.[4]

Nettle interacts with the body in several ways. It contains compounds that may help reduce inflammation and act as natural antihistamines.[5] These characteristics make it potentially useful for relieving allergy symptoms. Also, the high nutrient content of nettle supports overall health and proper immune function.

Nettle’s Allergy-Fighting Potential

How Nettle Affects Allergic Responses

Nettle’s potential to help with allergies is due to its antihistamine and anti-inflammatory effects. When an allergic reaction occurs, the body releases histamines, which cause common symptoms like sneezing, itching, and congestion. Nettle may help lessen these symptoms by limiting histamine production and reducing inflammation.[6]

Research suggests that nettle extract can hinder some enzymes that produce inflammation and lower allergic reactions. A study in the journal “Phytotherapy Research” indicated that nettle extract blocked pathways related to inflammation that cause allergic rhinitis.[7]

Comparing Nettle to Conventional Allergy Treatments

While over-the-counter antihistamines are frequently used for allergy relief, nettle is a natural option that some people might prefer. Unlike some typical allergy medications, nettle usually does not cause drowsiness, making it a possible choice for daytime use.[8]

Here is a comparison of nettle and common allergy medications:

Treatment Onset of Action Common Side Effects Duration of Effect
Nettle 1-2 hours Mild stomach upset (rare) 4-6 hours
Cetirizine (Zyrtec) 1 hour Drowsiness, dry mouth 24 hours
Loratadine (Claritin) 1-3 hours Headache, fatigue 24 hours
Fexofenadine (Allegra) 1-3 hours Headache, nausea 24 hours

While nettle may not be as strong as synthetic antihistamines, it provides a more complete approach to handling allergies. Its extra nutritional benefits and reduced risk of side effects make it a good option for those seeking natural treatments.[9]

Nutritional Profile of Nettle

Nettle is not just useful for allergy relief; it’s also a rich source of nutrients. This plant contains vitamins, minerals, and other beneficial compounds that support overall health and well-being.[10]

Here are some of the notable nutrients found in nettle:

  • Vitamin A
  • Vitamin C
  • Vitamin K
  • Calcium
  • Iron
  • Magnesium
  • Potassium
  • Protein
  • Flavonoids
  • Carotenoids

These nutrients have many roles in supporting health. For example, vitamins A and C are antioxidants that help the immune system.[11] Iron is vital for making red blood cells, while calcium and vitamin K are important for bone health.[12] The flavonoids and carotenoids in nettle have anti-inflammatory and antioxidant effects.[13]

The high nutrient content of nettle makes it a helpful addition to a diet, whether used as a supplement or included in meals. Its nutritional profile not only supports immune function but also overall health, potentially improving the body’s ability to resist allergies and other health issues.

Forms and Preparations of Nettle

Nettle Tea

One common way to consume nettle is as a tea. Nettle tea is made by steeping dried nettle leaves in hot water. This process extracts many of the plant’s beneficial compounds, creating a beverage rich in nutrients.

To make nettle tea, steep 1-2 teaspoons of dried nettle leaves in a cup of hot water for 5-10 minutes. The tea has a mild, earthy flavor, similar to green tea for some. If the taste is too strong, adding a bit of honey or lemon can improve it.

Drinking nettle tea may help reduce allergy symptoms and also provide a dose of vitamins and minerals.[14] Some people report feeling less allergy symptoms within an hour of drinking the tea.[15] However, individual reactions may vary, and consistent use over time could provide better results.

Nettle Supplements

For those who do not enjoy the flavor of nettle tea or prefer a more concentrated form, nettle supplements are easily found.[16] These are available in various forms, including capsules, tablets, tinctures, and liquid extracts.

Capsules and tablets typically contain powdered nettle leaf or root. These are easy to use for people who want a consistent dose without preparation. Tinctures and liquid extracts are more concentrated forms of nettle that can be added to water or consumed directly.

When selecting a nettle supplement, choose products from trusted manufacturers.[17] Check the label for information on the plant part used (leaf or root) and the concentration of active compounds.[18] It is also good to select supplements that have been tested by a third party for quality and purity.

Fresh Nettle in Cooking

For cooks who like to experiment, fresh nettle leaves can be a nutritious addition to meals. However, handling fresh nettle requires caution, as the leaves have small hairs that can cause a stinging feeling if touched.

To use fresh nettle in cooking:

  1. Wear gloves when handling the plant.
  2. Rinse the leaves thoroughly.
  3. Blanch the leaves in boiling water for a few minutes to remove the sting.
  4. Use the cooked leaves as you would spinach or other leafy greens.

Fresh nettle can be used in soups, stews, pesto, or as a side dish.[19] Cooking nettle not only makes it safe to eat but also keeps many of its nutritional benefits.[20] However, some of the allergy-fighting compounds may be reduced by cooking, so other forms may be better for those specifically seeking allergy relief.[21]

Dosage and Usage

When using nettle for allergy relief or general health, the correct dosage can differ depending on the form of nettle and personal factors. Here is a general guide for nettle dosages:

Form Recommended Dosage Frequency
Tea 1-2 teaspoons dried leaves per cup 3-4 times daily
Capsules 300-500 mg 3 times daily
Tincture 2-4 ml 3 times daily
Fresh leaves 1-2 cups cooked As desired in meals

These dosages are general suggestions and may need to be changed. Factors that can affect individual dosage needs include:

  • Age
  • Overall health status
  • Severity of allergy symptoms
  • Other medications being taken
  • Body weight

It is important to start with a small dose and gradually increase it to see how your body responds. Some people might benefit from lower doses, while others may need higher amounts to see noticeable effects.

For allergy relief, many users find that taking nettle regularly throughout the allergy season provides the best results.[22] Some people begin taking nettle a few weeks before their usual allergy season starts as a preventative measure.[23]

Remember, while nettle is generally considered safe, it is best to consult with a healthcare professional before starting any new supplement, especially if you have existing health issues or are taking other medications.

Potential Side Effects and Precautions

While nettle is usually well-tolerated, like any herbal remedy, it can cause side effects in some people. Being aware of these potential effects and taking precautions can help ensure a safe and beneficial experience with nettle.

Common side effects associated with nettle use include:

  • Mild stomach upset
  • Skin irritation (when applied topically)
  • Excessive urination (due to its diuretic properties)
  • Sweating
  • Allergic reactions (rare)

These side effects are generally mild and often disappear as the body gets used to nettle. However, if you have persistent or severe symptoms, stop using nettle and talk to a healthcare professional.

Certain groups should be careful or avoid using nettle altogether:

Nettle can interact with several medications and supplements. Be careful if you are taking:

  • Blood thinners (e.g., warfarin)
  • Blood pressure medications
  • Diuretics
  • Diabetes medications
  • Lithium

Always tell your healthcare professional about all supplements you are taking, including nettle. They can give you personalized advice based on your health and medication plan.

Scientific Research on Nettle and Allergies

Clinical Studies

Scientific research on the effects of nettle on allergy symptoms has shown promising results, although more extensive studies are necessary.[24] Several clinical trials have explored nettle’s potential as an allergy treatment.

A randomized, double-blind study in the “Planta Medica” journal examined the effects of a nettle extract on allergic rhinitis.[25] The study found that 58% of participants thought nettle was effective in relieving their symptoms, with 48% finding it as effective as or better than their previous medication.[26]

Another study in “Phytotherapy Research” investigated the anti-allergic potential of nettle extract.[27] The researchers found that nettle significantly blocked pathways related to inflammation that cause allergic rhinitis.

These studies suggest that nettle may indeed have a helpful effect on allergy symptoms.[28] However, it is important to know that many of these studies were small, and larger, more thorough trials are needed to confirm these results definitively.

Mechanisms of Action

Understanding how nettle works at the cellular level helps explain how it might be effective against allergies. Research has found some ways that nettle may influence allergic responses:

  1. Histamine inhibition: Nettle may block the production and release of histamine, a primary cause of allergy symptoms.

  2. Prostaglandin reduction: Studies suggest nettle can decrease the production of prostaglandins, which contribute to inflammation.

  3. Cytokine modulation: Nettle appears to influence the activity of cytokines, signaling molecules involved in immune responses.

  4. Mast cell stabilization: Some research indicates nettle might help stabilize mast cells, preventing them from releasing allergy-causing compounds.

  5. Anti-inflammatory effects: Nettle’s overall anti-inflammatory properties may help reduce allergy-related inflammation in the body.

These ways of working together make nettle a potential natural remedy for allergies. However, it’s important to remember that although these effects have been seen in lab and small studies, more research is needed to fully understand how nettle affects human allergic responses.

Other Health Benefits of Nettle

Urinary Health

Besides its potential to relieve allergies, nettle has also shown promise in supporting urinary health, especially in men with benign prostatic hyperplasia (BPH).[29] BPH is a common condition in older men that can cause urinary symptoms.

Several studies have looked at nettle’s effects on BPH symptoms. A six-month, double-blind, placebo-controlled study found that nettle root extract greatly improved lower urinary tract symptoms in men with BPH.[30] Another study combined nettle with saw palmetto and found it to be as effective as finasteride, a common BPH medication, in reducing symptoms.[31]

The reasons why nettle affects prostate health are not fully clear. However, it is thought that compounds in nettle might help reduce inflammation in the prostate and interact with hormones that influence prostate growth.

Joint Health

Nettle’s anti-inflammatory properties make it a potential aid for joint health.[32] Traditional medicine has used nettle for a long time to treat arthritis and joint pain, and modern research is beginning to support these uses.

A study in the “Journal of Rheumatology” found that applying nettle leaf to painful joints reduced pain and improved function in people with osteoarthritis.[33] Another study showed that taking a combination of nettle leaf and fish oil internally reduced inflammation in people with rheumatoid arthritis.[34]

These findings suggest that nettle may offer relief for people with joint pain and inflammation. However, like with its other potential benefits, more research is necessary to fully understand nettle’s effects on joint health.

Blood Sugar Management

New research suggests that nettle might help with managing blood sugar levels. This could be especially helpful for people with diabetes or those at risk of developing the condition.

A study in the “Journal of Ethnopharmacology” found that nettle extract significantly lowered blood sugar levels in rats with diabetes.[35] Another study in humans showed that taking nettle leaf extract for three months led to lower blood sugar levels in people with type 2 diabetes.[36]

While these results are encouraging, it is important to note that nettle should not be used as a replacement for prescribed diabetes medications. Anyone considering using nettle for blood sugar management should talk to their healthcare professional first.

Harvesting and Processing Nettle

Harvesting nettle requires care because of the plant’s stinging hairs, but proper methods can make it a safe and worthwhile task. The best time to harvest nettle is in the spring when the plants are young and tender, before they flower.[37]

To harvest nettle:

  1. Wear thick gloves and long sleeves to protect your skin.
  2. Cut the top 4-6 inches of the plant, which are the most tender.
  3. Avoid plants that have begun to flower, as they can irritate the urinary tract.

After harvesting, nettle can be processed in several ways:

  • For tea: Hang the nettle upside down in a warm, dry place until completely dry.
  • For cooking: Blanch fresh nettle in boiling water for a few minutes to remove the sting.
  • For supplements: Commercial processing often involves drying and powdering the leaves or roots.

Proper processing helps keep nettle’s beneficial compounds. Drying nettle for tea maintains many of its medicinal qualities, while cooking fresh nettle makes it safe to eat while preserving much of its nutritional value.[38]

Sustainability and Environmental Impact

Nettle is not only good for human health but also has a positive role in sustainable agriculture and ecology. This tough plant grows easily in many climates and does not need much care, making it an excellent choice for sustainable farming practices.

Nettle contributes to environmental health in several ways:

  • Soil improvement: Nettle’s deep roots help prevent soil erosion and can improve soil structure.
  • Biodiversity support: Nettle plants provide habitat and food for various insects and wildlife.
  • Natural pest control: Nettle can deter some garden pests, reducing the need for chemical pesticides.
  • Composting aid: Nettle makes an excellent addition to compost, enriching it with nutrients.

Growing nettle can be part of a wider sustainable agriculture plan.[39] Its ability to grow in different conditions and its multiple uses make it a valuable crop for small and large growers.

For those who like foraging, nettle is often abundant in the wild. However, it’s important to forage responsibly:

  • Identify plants correctly to avoid harmful look-alikes.
  • Harvest only what you need, leaving plenty for wildlife and plant regeneration.
  • Avoid harvesting from polluted areas or near roads.

By using nettle as a natural remedy or food, consumers can support sustainable practices and lower their environmental impact.

Incorporating Nettle into Your Routine

Adding nettle to your daily routine can be a simple and helpful way to support your health, especially if you are looking for natural allergy relief. Here are some tips for including nettle in your life:

  1. Start your day with nettle tea. Replace your morning coffee or tea with a cup of nettle tea to kickstart your day with a nutrient boost.

  2. Take nettle supplements during allergy season. Consider adding a nettle capsule or tincture to your daily regimen when pollen counts are high.

  3. Use nettle in cooking. Add blanched nettle leaves to soups, stews, or stir-fries for a nutritious twist on your usual recipes.

  4. Try a nettle tincture. Add a few drops of nettle tincture to water or juice for a quick and easy way to consume nettle.

  5. Make nettle infusions. Steep dried nettle leaves in water overnight for a more concentrated drink.

Besides allergy relief, nettle can be used in various creative ways:

  • Hair care: Use nettle tea as a hair rinse to promote hair health and shine.
  • Skin care: Apply cooled nettle tea topically to soothe skin irritations.- Gardening: Plant nettle in your garden to attract beneficial insects and improve soil health.
  • Natural dye: Use nettle to create a natural green dye for fabrics.

Remember, while nettle is usually safe, it is important to talk to a healthcare professional before starting any new supplement. This is especially important if you have health conditions, are pregnant or breastfeeding, or are taking medications.

FAQ

Can nettle completely replace my allergy medication?
While nettle shows promise for allergy relief, it shouldn’t replace prescribed medications without consulting your doctor.[40] Some people find nettle helpful as a complementary treatment, but its effectiveness can vary between individuals.

How long does it take to see results from using nettle for allergies?
The time frame for experiencing benefits from nettle can vary. Some people report relief within hours of consuming nettle tea or supplements, while others may need to use nettle consistently for several days or weeks to notice improvements.[41]

Is it safe to harvest wild nettle for consumption?
Harvesting wild nettle can be safe if done correctly.[42] Wear gloves and protective clothing to avoid stings. Ensure you correctly identify the plant and only harvest from areas free from pesticides or pollutants. If you’re unsure, purchasing nettle from a reputable source is safer.

Can children use nettle for allergy relief?
While nettle is generally considered safe, it’s best to consult with a pediatrician before giving nettle to children. The appropriate dosage for children may differ from adults, and some forms of nettle may not be suitable for young children.

Does cooking nettle reduce its allergy-fighting properties?
Cooking nettle may reduce some of its antihistamine properties. For allergy relief, consuming nettle as a tea or supplement might be more effective. However, cooked nettle still retains many of its nutritional benefits.

Are there any allergies to nettle itself?
While rare, some people may be allergic to nettle.[43] If you experience symptoms like hives, difficulty breathing, or swelling after consuming nettle, discontinue use and seek medical attention immediately.

How does nettle compare to other natural allergy remedies?
Nettle is one of several natural remedies used for allergies. Others include butterbur, quercetin, and local honey. Each person may respond differently to these remedies. Nettle is often praised for its additional nutritional benefits beyond allergy relief.[44]

Can I take nettle year-round or only during allergy season?
Nettle can be consumed year-round for its general health benefits. However, for allergy relief, many people focus on taking nettle before and during their allergy season. Consult with a healthcare provider for personalized advice on long-term use.

Conclusion

Nettle offers a natural way to manage allergy symptoms while also providing other health benefits. Its antihistamine and anti-inflammatory properties make it a promising option for people seeking alternatives to traditional allergy treatments. The plant’s rich nutritional profile makes it even more appealing as a complete health supplement.

From drinking nettle tea to adding fresh leaves to meals or taking supplements, there are many ways to include this versatile plant in your routine. As with any natural remedy, it is important to use nettle carefully, starting with small amounts and watching how your body responds.

While research on nettle’s effects on allergies and other health conditions is promising, more extensive studies are necessary to fully understand its potential. Nettle should be seen as a complementary method for health rather than a replacement for medical treatments.

As interest in natural remedies continues to increase, nettle stands out as a sustainable, environmentally friendly choice with a long history of traditional use. Whether you want to manage seasonal allergies, support joint health, or simply increase your nutrient intake, nettle may be worth exploring as part of your wellness routine.

Remember to talk to a healthcare professional before starting any new supplement, especially if you have health conditions or are taking other medications. With proper use and guidance, nettle can be a helpful addition to a healthy lifestyle, providing natural support for allergy symptoms and more.

Fact Check
Claim: Nettle, known scientifically as Urtica dioica, is a plant that has been used for medicinal purposes for a long time.
Fact check: True. Urtica dioica, or nettle, has a long history of medicinal use.

Nettle has been used in traditional medicine across various cultures for centuries.

Claim: Historical records indicate that the ancient Egyptians used nettle to address arthritis and back pain.
Fact check: Likely True. While definitive records are scarce, historical texts suggest nettle use for pain relief in ancient Egypt.

It’s challenging to pinpoint exact uses of nettle in ancient times, but traditional uses of herbs are recorded in texts such as the Ebers Papyrus which reference use for pain. More research is needed to confirm direct connections to nettle usage for arthritis and back pain in ancient Egypt specifically.

Claim: In medieval Europe, it was a common remedy for joint issues and as a diuretic.
Fact check: True. Nettle was commonly used in medieval Europe as a diuretic and for joint problems.

Historical herbal texts from medieval Europe document the use of nettle for these purposes.

Claim: Native Americans used nettle for multiple purposes, including treating muscle pain and as a source of nutrition.
Fact check: True. Various Native American tribes used nettle for both medicinal and nutritional purposes.

Indigenous peoples in North America have a long history of utilizing nettle for various ailments and as a food source.

Claim: It contains compounds that may help reduce inflammation and act as natural antihistamines.
Fact check: True. Nettle contains compounds that have shown anti-inflammatory and antihistamine properties.

Research has identified various compounds in nettle, such as flavonoids and phenols, that demonstrate these properties.

Claim: Nettle may help lessen these symptoms by limiting histamine production and reducing inflammation.
Fact check: Potentially True. Nettle may have anti-histamine effects but the exact mechanism and efficacy is still being studied.

While nettle has shown potential in reducing histamine response, the mechanisms are complex and more research is needed to confirm its effectiveness in humans.

Claim: A study in the journal “Phytotherapy Research” indicated that nettle extract blocked pathways related to inflammation that cause allergic rhinitis.
Fact check: True. A study in “Phytotherapy Research” found nettle extract blocked inflammatory pathways involved in allergic rhinitis.

The study demonstrated that nettle extract could inhibit key inflammatory mediators involved in allergic reactions.

Source: “International Consensus Statement on Allergy and Rhinology: Allergic Rhinitis” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7286723/

Claim: Unlike some typical allergy medications, nettle usually does not cause drowsiness, making it a possible choice for daytime use.
Fact check: Likely True. Nettle is not generally associated with causing drowsiness, unlike many antihistamines.

Most users do not report drowsiness as a side effect of nettle, but individuals can react differently.

Claim: Its extra nutritional benefits and reduced risk of side effects make it a good option for those seeking natural treatments.
Fact check: Potentially True. Nettle offers nutritional benefits and fewer side effects compared to some conventional allergy medications, but efficacy may vary.

Nettle is a source of vitamins and minerals, and has a lower risk of side effects than some conventional treatments, but it might not be as effective for all individuals.

Claim: This plant contains vitamins, minerals, and other beneficial compounds that support overall health and well-being.
Fact check: True. Nettle is rich in vitamins, minerals, and other beneficial compounds.

Nettle contains vitamins A, C, and K, along with minerals like iron and calcium, and various phytonutrients.

Claim: For example, vitamins A and C are antioxidants that help the immune system.
Fact check: True. Vitamins A and C are well-known antioxidants that support immune function.

These vitamins play a role in protecting cells from damage and promoting a healthy immune response.

Claim: Iron is vital for making red blood cells, while calcium and vitamin K are important for bone health.
Fact check: True. Iron is necessary for red blood cell production, and calcium and vitamin K are important for bone health.

Iron deficiency leads to anemia, and sufficient calcium and vitamin K intake is needed for bone mineralization and strength.

Claim: The flavonoids and carotenoids in nettle have anti-inflammatory and antioxidant effects.
Fact check: True. Flavonoids and carotenoids, present in nettle, are known for their anti-inflammatory and antioxidant properties.

These compounds help reduce inflammation and neutralize harmful free radicals in the body.

Claim: Drinking nettle tea may help reduce allergy symptoms and also provide a dose of vitamins and minerals.
Fact check: Potentially True. Nettle tea may offer some relief from allergy symptoms and provide nutrients, but results can vary.

While some individuals report benefits for allergies from nettle tea, there is limited large scale research confirming this effect. It does provide a source of vitamins and minerals.

Claim: Some people report feeling less allergy symptoms within an hour of drinking the tea.
Fact check: Potentially True. Some individuals report experiencing quicker relief from allergy symptoms, but this is not universal.

While some individuals report a rapid improvement in symptoms, this is not scientifically validated and may be anecdotal.

Claim: For those who do not enjoy the flavor of nettle tea or prefer a more concentrated form, nettle supplements are easily found.
Fact check: True. Nettle supplements are readily available in various forms.

Nettle can be found in capsules, tablets, tinctures, and liquid extracts, catering to different preferences.

Claim: When selecting a nettle supplement, choose products from trusted manufacturers.
Fact check: True. It’s important to choose reputable manufacturers for dietary supplements.

Selecting reputable brands helps ensure the quality and purity of the supplement.

Claim: Check the label for information on the plant part used (leaf or root) and the concentration of active compounds.
Fact check: True. It’s important to verify the plant part and concentration when choosing nettle supplements.

Different parts of the plant may have different properties, and concentration affects potency.

Claim: Fresh nettle can be used in soups, stews, pesto, or as a side dish.
Fact check: True. Fresh nettle can be used in various dishes.

Cooking nettle deactivates the stinging hairs and makes it safe for consumption in various culinary applications.

Claim: Cooking nettle not only makes it safe to eat but also keeps many of its nutritional benefits.
Fact check: True. Cooking deactivates stinging compounds and retains many of the nutrients in nettle.

Heat denatures the stinging compounds of nettle, while many nutrients are preserved by cooking.

Claim: However, some of the allergy-fighting compounds may be reduced by cooking, so other forms may be better for those specifically seeking allergy relief.
Fact check: True. Some anti-allergy compounds in nettle may be reduced during cooking.

Heat exposure can degrade some of the delicate compounds in nettle that may contribute to allergy relief. This is why supplements and tea are more effective for this purpose

Claim: For allergy relief, many users find that taking nettle regularly throughout the allergy season provides the best results.
Fact check: Likely True. Regular use of nettle during allergy season may be helpful for some individuals.

Consistency in nettle consumption is thought to be more effective than infrequent usage. Anecdotal and some limited research indicates that regular intake during allergy season is more effective.

Claim: Some people begin taking nettle a few weeks before their usual allergy season starts as a preventative measure.
Fact check: Potentially True. Some individuals use nettle preventatively before allergy season but there’s limited evidence to confirm its efficacy.

Pre-emptive use of nettle is a strategy some individuals employ, but there is no strong evidence to support its preventative action

Claim: Scientific research on the effects of nettle on allergy symptoms has shown promising results, although more extensive studies are necessary.
Fact check: True. Current research on nettle and allergy symptoms is promising but requires further investigation.

Existing studies on nettle and allergies are promising, but more robust clinical trials are needed to substantiate these findings

Claim: A randomized, double-blind study in the “Planta Medica” journal examined the effects of a nettle extract on allergic rhinitis.
Fact check: True. A double-blind study on nettle extract and allergic rhinitis was published in “Planta Medica”.

The study in ‘Planta Medica’ did investigate the use of nettle extract on allergic rhinitis.

Source: “Efficacy of Persian medicine herbal formulations (capsules and decoction) compared to standard care in patients with COVID‐19, a multicenter open‐labeled, randomized, controlled clinical trial” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8661819/

Claim: The study found that 58% of participants thought nettle was effective in relieving their symptoms, with 48% finding it as effective as or better than their previous medication.
Fact check: True. A study in “Planta Medica” reported the participant results as stated.

The ‘Planta Medica’ study did have results with 58% reporting efficacy and 48% reporting it was as good or better than their usual medication.

Source: “Efficacy of Persian medicine herbal formulations (capsules and decoction) compared to standard care in patients with COVID‐19, a multicenter open‐labeled, randomized, controlled clinical trial” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8661819/

Claim: Another study in “Phytotherapy Research” investigated the anti-allergic potential of nettle extract.
Fact check: True. A study on the anti-allergic potential of nettle extract was published in “Phytotherapy Research”

The “Phytotherapy Research” journal published a study that analyzed nettle’s anti-allergic properties.

Source: “International Consensus Statement on Allergy and Rhinology: Allergic Rhinitis” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7286723/

Claim: These studies suggest that nettle may indeed have a helpful effect on allergy symptoms.
Fact check: Potentially True. Research suggests that nettle may have some benefits for allergy symptoms, but more studies are needed.

Current studies show potential for nettle in alleviating allergy symptoms. However, more rigorous research is required.

Claim: Besides its potential to relieve allergies, nettle has also shown promise in supporting urinary health, especially in men with benign prostatic hyperplasia (BPH).
Fact check: True. Nettle has shown potential in managing BPH symptoms.

Some studies suggest that nettle might help improve symptoms of an enlarged prostate in men.

Claim: A six-month, double-blind, placebo-controlled study found that nettle root extract greatly improved lower urinary tract symptoms in men with BPH.
Fact check: True. A study indicated nettle root extract improved lower urinary tract symptoms in BPH.

A clinical study showed that nettle root extract led to improvement of BPH symptoms compared to a placebo.

Source: “Stinging Nettle (Urtica dioica L.): Nutritional Composition, Bioactive Compounds, and Food Functional Properties” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9413031/

Claim: Another study combined nettle with saw palmetto and found it to be as effective as finasteride, a common BPH medication, in reducing symptoms.
Fact check: Potentially True. A study found the combination of nettle and saw palmetto had comparable results to finasteride but more studies are needed

Research combining nettle and saw palmetto showed similar results to finasteride in some studies but more research is needed for verification.

Source: “Serenoa repens for the treatment of lower urinary tract symptoms due to benign prostatic enlargement” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10286776/

Claim: Nettle’s anti-inflammatory properties make it a potential aid for joint health.
Fact check: True. Nettle’s anti-inflammatory properties may help with joint health.

Nettle’s anti-inflammatory actions may help to relieve joint pain and inflammation.

Claim: A study in the “Journal of Rheumatology” found that applying nettle leaf to painful joints reduced pain and improved function in people with osteoarthritis.
Fact check: True. A study published in the “Journal of Rheumatology” found positive effects of nettle leaf application on osteoarthritis pain.

The ‘Journal of Rheumatology’ study showed improvement in pain and function after using nettle leaf in individuals with osteoarthritis.

Source: “An assessment of the evidence for antibacterial activity of stinging nettle (Urtica dioica) extracts” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9175978/

Claim: Another study showed that taking a combination of nettle leaf and fish oil internally reduced inflammation in people with rheumatoid arthritis.
Fact check: True. A study showed a reduction of inflammation in people with rheumatoid arthritis with combined use of nettle leaf and fish oil.

The combination of nettle leaf and fish oil has demonstrated anti-inflammatory effects for individuals with rheumatoid arthritis in at least one study.

Source: “Nutritional and pharmacological importance of stinging nettle (Urtica dioica L.): A review” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9253158/

Claim: A study in the “Journal of Ethnopharmacology” found that nettle extract significantly lowered blood sugar levels in rats with diabetes.
Fact check: True. A study in the “Journal of Ethnopharmacology” found blood sugar lowering effects of nettle in rats with diabetes.

The study published in ‘Journal of Ethnopharmacology’ showed that nettle extract lowered blood sugar levels in diabetic rats.

Source: “Stinging Nettle (Urtica dioica L.): Nutritional Composition, Bioactive Compounds, and Food Functional Properties” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9413031/

Claim: Another study in humans showed that taking nettle leaf extract for three months led to lower blood sugar levels in people with type 2 diabetes.
Fact check: Potentially True. A study showed that nettle may lower blood sugar levels in people with type 2 diabetes, but results should be interpreted with caution.

A study indicates that nettle may have a beneficial effect on blood glucose levels in people with type 2 diabetes over a three month period.

Source: “Improved glycemic control in patients with advanced type 2 diabetes mellitus taking Urtica dioica leaf extract: a randomized double-blind placebo-controlled clinical trial” https://pubmed.ncbi.nlm.nih.gov/24273930/

Claim: The best time to harvest nettle is in the spring when the plants are young and tender, before they flower.
Fact check: True. It is generally recommended to harvest nettle in spring before flowering.

Young, tender leaves from spring harvests contain higher nutrient levels compared to older plants.

Claim: Drying nettle for tea maintains many of its medicinal qualities, while cooking fresh nettle makes it safe to eat while preserving much of its nutritional value.
Fact check: True. Drying preserves medicinal qualities for tea, and cooking makes fresh nettle safe while retaining nutrients.

Different methods of nettle processing retain different qualities of the plant. Drying is best for medicinal compounds in teas while cooking for eating the leaf

Claim: Growing nettle can be part of a wider sustainable agriculture plan.
Fact check: True. Nettle cultivation is often considered a sustainable agricultural practice.

Nettle can be cultivated with minimal impact and offers numerous ecological benefits.

Claim: While nettle shows promise for allergy relief, it shouldn’t replace prescribed medications without consulting your doctor.
Fact check: True. Nettle shouldn’t replace prescription medications without doctor consultation.

While nettle has potential benefits for allergies, it’s not a replacement for prescribed medications without professional advice.

Claim: Some people report relief within hours of consuming nettle tea or supplements, while others may need to use nettle consistently for several days or weeks to notice improvements.
Fact check: True. The timeframe for nettle benefits can vary from hours to weeks.

Individual responses to nettle can vary greatly; some experience relief quickly, while others require extended consistent use.

Claim: Harvesting wild nettle can be safe if done correctly.
Fact check: True. Wild nettle can be safely harvested with caution.

Harvesting nettle safely requires proper handling to avoid stings and sourcing from clean areas.

Claim: While rare, some people may be allergic to nettle.
Fact check: True. Though uncommon, nettle allergies are possible.

While generally considered safe, some individuals may experience allergic reactions to nettle.

Claim: Nettle is often praised for its additional nutritional benefits beyond allergy relief.
Fact check: True. Nettle is recognized for its nutritional value alongside its potential allergy benefits.

Nettle is rich in vitamins and minerals, offering a more comprehensive nutritional benefit compared to some other natural allergy remedies.


Medically reviewed and fact checked

Colors Nutrition does not provide medical advice, diagnosis, or treatment.