Stinging Nettle Root Research
32 peer-reviewed studies · Evidence score: 8.5/10
Topical herbal therapies for treating osteoarthritis
Cameron M et al. • The Cochrane database of systematic reviews (2013)
Although the mechanism of action of the topical medicinal plant products provides a rationale basis for their use in the treatment of osteoarthritis, the quality and quantity of current research studies of effectiveness are insufficient.
- Mean pain in the ibuprofen group was 44.2 points on a 100 point scale; treatment with Arnica gel reduced the pain by 4 points after three weeks: mean difference (MD) -3.8 points (95% confidence intervals (CI) -10.1 to 2.5), absolute reduction 4% (10% reduction to 3% increase).
- Hand function was 7.5 points on a 30 point scale in the ibuprofen-treated group; treatment with Arnica gel reduced function by 0.4 points (MD -0.4, 95% CI -1.75 to 0.95), absolute improvement 1% (6% improvement to 3% decline)).
- At four weeks follow-up, mean pain in the placebo group was 46 points on a 100 point scale; treatment with Capsicum extract reduced pain by 1 point (MD -1, 95% CI -6.8 to 4.8), absolute reduction of 1% (7% reduction to 5% increase).
The effect of nettle (Urtica dioica) supplementation on the glycemic control of patients with type 2 diabetes mellitus: A systematic review and meta-analysis
Ziaei R et al. • Phytotherapy research : PTR (2020)
However, further studies are needed to confirm the veracity of these results.© 2019 John Wiley & Sons, Ltd.
- The results of the meta-analysis revealed a significant reduction in FBS concentrations (weighted mean difference [WMD]: -18.01 mg/dl, 95% confidence interval [CI]: -30.04 to -5.97, p < .001, I2 = 94.6%) following nettle supplementation.
- The findings of the present study suggest that nettle supplementation may be effective in controlling FBS for T2DM patients.
- However, further studies are needed to confirm the veracity of these results.© 2019 John Wiley & Sons, Ltd.
Iranian medicinal plants for diabetes mellitus: a systematic review
Rashidi AA et al. • Pakistan journal of biological sciences : PJBS (2013)
However, efficacy and safety of the most plants used in the treatment of diabetes are not sufficient.
- The quality of Randomized Controlled Trials (RCTs) assessed by using the Jadad scale.
- Among the RCTs studies, the best results in glycemic control was found in Aloe vera, Citrullus colocynthus, Plantago ovata, Silybum marianum, Rheum ribes and Urtica dioica.
- The majority of plants that have been studied for antidiabetic activity showed promising results.
Effects of Urtica dioica on Metabolic Profiles in Type 2 Diabetes: A Systematic Review and Meta-analysis of Clinical Trials
Tabrizi R et al. • Mini reviews in medicinal chemistry (2022)
UD consumption may result in an improvement in levels of FBS, HbA1c, CRP, triglycerides, and SBP, but did not affect levels of insulin, total-, LDL-, and HDL-cholesterol, BMI, and DBP in patients with T2DM.
- UD consumption may result in an improvement in levels of FBS, HbA1c, CRP, triglycerides, and SBP, but did not affect levels of insulin, total-, LDL-, and HDL-cholesterol, BMI, and DBP in patients with T2DM.
- Published in Mini reviews in medicinal chemistry (2022)
- Further research warranted to confirm findings
Dietary Plants for the Prevention and Management of Kidney Stones: Preclinical and Clinical Evidence and Molecular Mechanisms
Nirumand MC et al. • International journal of molecular sciences (2018)
Further investigations are required to confirm the safety and efficacy of these compounds.
- The main underlying mechanisms of these dietary plants and their isolated phytonutrients in the management of urolithiasis include diuretic, antispasmodic, and antioxidant activity, as well as an inhibitory effect on crystallization, nucleation, and aggregation of crystals.
- The results as presented in this review demonstrate the promising role of dietary plants and phytophenols in the prevention and management of kidney stones.
- Further investigations are required to confirm the safety and efficacy of these compounds.
Plant food supplements with anti-inflammatory properties: a systematic review (II)
Di Lorenzo C et al. • Critical reviews in food science and nutrition (2013)
In conclusion, it is advisable to conduct further studies with more homogeneous population and larger number of subjects by avoiding the heterogeneity of the herbal preparations considered.
- The bibliographic search found no paper regarding the anti-inflammatory effects of Calendula officinalis L. and Symphytum officinalis L. by oral use.
- In spite of the long-term traditional use for inflammatory disorders, Curcuma longa L. and Harpagophytum procumbens L. warrant further investigation, whereas the efficacy of Urtica dioica L, even if the available data on hard endpoints are promising, requires other trials.
- Boswellia serrata Roxb. was found to be the most promising, since it shows the best efficacy for the treatment of pain/inflammatory conditions.
Herbal Medicine for Oligomenorrhea and Amenorrhea: A Systematic Review of Ancient and Conventional Medicine
Moini Jazani A et al. • BioMed research international (2018)
Although just few plants have been proven to be effective for treatment of menstrual irregularities, the results and the classification in present study can be used as an outline for future studies and treatment.
- Systematic review examining Stinging Nettle Root efficacy
- Published in BioMed research international (2018)
- Further research warranted to confirm findings
Fixed-dose combination PRO 160/120 of sabal and urtica extracts improves nocturia in men with LUTS suggestive of BPH: re-evaluation of four controlled clinical studies
Oelke M et al. • World journal of urology (2014)
PRO 160/120 significantly improved nocturnal voiding frequency compared to placebo and similar to tamsulosin or finasteride.
- In the pooled analysis of placebo-controlled trials, nocturnal voids improved by 0.8 (29 %) with PRO 160/120 compared to 0.6 (18 %) with placebo (p = 0.015, Wilcoxon test, one-tailed).
- The 69 % responder rate to PRO 160/120 was significantly superior to the placebo response (52 %; p = 0.003, χ (2)-test, two-tailed).
- PRO 160/120 significantly improved nocturnal voiding frequency compared to placebo and similar to tamsulosin or finasteride.
Comparison of the Effect of Cumin Cyminum and Nettle Oral Drops on the Breast Milk Sufficiency Indicators in New Mothers
Farshad F et al. • Sultan Qaboos University medical journal (2024)
Considering the effectiveness of cumin and nettle drops in increasing milk and the availability of these native plants in Iran, it is suggested that they, especially cumin, be used postpartum to increase breast milk production.
- At the beginning of the trial, no statistically significant differences were observed between the 3 groups for infant weight (P = 0.891), breastfeeding frequency (P = 0.921), number of wet diapers (P = 0.783), diaper weight (P = 0.841) and frequency of infant defecation (P = 0.898).
- Considering the effectiveness of cumin and nettle drops in increasing milk and the availability of these native plants in Iran, it is suggested that they, especially cumin, be used postpartum to increase breast milk production.
- Further research warranted to confirm findings
Therapeutic effects of Rosa canina, Urtica dioica and Tanacetum vulgare herbal combination in treatment of tinnitus symptoms: A double-blind randomised clinical trial
Khosravi MH et al. • Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery (2023)
A 3-month treatment with Neurotec capsules in addition to patient education is of benefit for managing symptoms in patients with chronic tinnitus.
- A 3-month treatment with Neurotec capsules in addition to patient education is of benefit for managing symptoms in patients with chronic tinnitus.
- Published in Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery (2023)
- Further research warranted to confirm findings
Improved glycemic control in patients with advanced type 2 diabetes mellitus taking Urtica dioica leaf extract: a randomized double-blind placebo-controlled clinical trial
Kianbakht S et al. • Clinical laboratory (2013)
Nettle may safely improve glycemic control in type 2 diabetic patients needing insulin therapy.
- At the endpoint, the extract lowered the blood levels of fasting glucose, 2 hours postprandial glucose, and HbA1c significantly (p < 0.001, p = 0.009, and p = 0.006, respectively) without any significant effects on the other parameters (p > 0.05) compared with placebo.
- Nettle may safely improve glycemic control in type 2 diabetic patients needing insulin therapy.
- Further research warranted to confirm findings
The effect of hydro alcoholic nettle (Urtica dioica) extract on oxidative stress in patients with type 2 diabetes: a randomized double-blind clinical trial
Namazi N et al. • Pakistan journal of biological sciences : PJBS (2012)
The findings showed that the hydro alcoholic extract of nettle has increasing effects on TAC and SOD in patients with type 2 diabetes without no changes in Malondialdehyde (MDA) and Glutathione Peroxides (GPX) after eight weeks intervention.
- After 8 weeks, Total Antioxidant Capacity (TAC) and Superoxidant Dismutase (SOD) showed a significant increase in the intervention group compared to the control group (p < 0.05).
- At the baseline and end of 8th weeks of intervention blood levels of oxidative stress markers were measured.
- Data was analyzed by SPSS version 18, p < 0.05 was considered significant for all variables.
A Rosa canina - Urtica dioica - Harpagophytum procumbens/zeyheri Combination Significantly Reduces Gonarthritis Symptoms in a Randomized, Placebo-Controlled Double-Blind Study
Moré M et al. • Planta medica (2017)
MA212 was well tolerated.This study demonstrates excellent efficacy for MA212 in gonarthritis patients.Georg Thieme Verlag KG Stuttgart · New York.
- During the study, their means significantly improved in both groups.
- Compared to placebo, both physical and mental quality of life significantly improved with MA212.
- There was a trend towards reduced analgesics consumption with MA212, compared to placebo.
Silymarin, Olibanum, and Nettle, A Mixed Herbal Formulation in the Treatment of Type II Diabetes: A Randomized, Double-Blind, Placebo-Controlled, Clinical Trial
Khalili N et al. • Journal of evidence-based complementary & alternative medicine (2017)
The study showed a potential antihyperglycemic and triglyceride lowering effect of the herbal formulation, while it did not have any significant cholesterol or blood pressure lowering effect.
- The aim of this study was to evaluate the antihyperglycemic effects of these herbs in an herbal formulation in patients with type II diabetes mellitus.
- The mean serum fasting blood glucose, glycosylated hemoglobin, and triglyceride in the herbal drug group were significantly less than placebo group's values after 3 months of the intervention.
- The study showed a potential antihyperglycemic and triglyceride lowering effect of the herbal formulation, while it did not have any significant cholesterol or blood pressure lowering effect.
A Placebo-Controlled, Pseudo-Randomized, Crossover Trial of Botanical Agents for Gulf War Illness: Reishi Mushroom (Ganoderma lucidum), Stinging Nettle (Urtica dioica), and Epimedium (Epimedium sagittatum)
Younger J et al. • International journal of environmental research and public health (2021)
This trial was registered on ClinicalTrials.gov (NCT02909686).
- GWI symptom severity was unchanged from placebo in the reishi lower-dose condition (p = 0.603), and was higher in the higher-dose condition (p = 0.012).
- Symptom severity was not decreased from placebo with lower-dose stinging nettle (p = 0.604), but was significantly decreased with higher-dose stinging nettle (p = 0.048).
- Epimedium showed no significant decreases of GWI symptoms in the lower (p = 0.936) or higher (p = 0.183) dose conditions.
Urtica Dioica Root Extract on Clinical and Biochemical Parameters in Patients with Benign Prostatic Hyperplasia, Randomized Controlled Trial
Akbar Karami A et al. • Pakistan journal of biological sciences : PJBS (2020)
UDE consumption for 12 weeks among BPH patients had clinically significant effects on IPSS, serum hs-CRP, MDA and SOD activity.
- UDE consumption for 12 weeks among BPH patients had clinically significant effects on IPSS, serum hs-CRP, MDA and SOD activity.
- Published in Pakistan journal of biological sciences : PJBS (2020)
- Further research warranted to confirm findings
Urtica dioica for treatment of benign prostatic hyperplasia: a prospective, randomized, double-blind, placebo-controlled, crossover study
Safarinejad MR • Journal of herbal pharmacotherapy (2005)
In the present study, Urtica dioica have beneficial effects in the treatment of symptomatic BPH.
- 558 patients (90%) completed the study (287/305, 91% in the Urtica dioica group, and 271/315, 86% in the placebo group).
- By intention- to-treat analysis, at the end of 6-month trial, 232 (81%) of 287 patients in the Urtica dioica group reported improved LUTS compared with 43 (16%) of 271 patients in the placebo group (P < 0.001).
- The IPSS went from 19.8 down to 11.8 with Urtica dioica and from 19.2 to 17.7 with placebo (P = 0.002).
Efficacy and Safety of a Traditional Herbal Combination in Patients with Type II Diabetes Mellitus: A Randomized Controlled Trial
Mehrzadi S et al. • Journal of dietary supplements (2021)
The results suggest that traditional herbal combination may safely improve glycemic control in type II diabetic patients with no significant adverse effect. [Formula: see text].
- Results showed that after three months, the fasting plasma glucose, HbA1c and cholesterol levels in herbal combination were decreased significantly as compared to placebo group (20% and 12% respectively) and also compared to base line (25% and 15% respectively).
- The results suggest that traditional herbal combination may safely improve glycemic control in type II diabetic patients with no significant adverse effect. [Formula: see text].
- Further research warranted to confirm findings
Urtica dioica in comparison with placebo and acupuncture: A new possibility for menopausal hot flashes: A randomized clinical trial
Kargozar R et al. • Complementary therapies in medicine (2019)
Urtica dioica can decrease menopausal hot flashes and increase the quality of life of postmenopausal women better than placebo-sham control but same as acupuncture.
- Urtica dioica can decrease menopausal hot flashes and increase the quality of life of postmenopausal women better than placebo-sham control but same as acupuncture.
- The combination of Urtica dioica and acupuncture did not add to the effects of those therapies.
- Further research warranted to confirm findings
Effect of a galactagogue herbal tea on breast milk production and prolactin secretion by mothers of preterm babies
Özalkaya E et al. • Nigerian journal of clinical practice (2018)
In mothers with premature babies and who are treated in neonatal intensive care unit, consumption of galactogogue herbal tea will increase lactation and prevent lack of human milk without any adverse effect.
- Increased rate in the amount of milk was 80% in the treatment, 34.3% in the placebo and 30% in the control group (P = 0.000).
- There was no statistically significant difference in weight gain of babies between the two groups, due to formula feeding in case of insufficient breast milk.
- In mothers with premature babies and who are treated in neonatal intensive care unit, consumption of galactogogue herbal tea will increase lactation and prevent lack of human milk without any adverse effect.