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All study protocols

Nettle: study protocols

13 study groups say how much Nettle participants took a day. These are the doses the studies gave. They are not a recommendation.

Nettle: what the research found →

Dose per serving from products

179 products in our catalogue print how much Nettle a serving holds.

Most common: 25 mg to 50 mg, 54% of 179 products.

Dose per servingProducts
10 mg or less
9
10 mg to 25 mg
8
25 mg to 50 mg
97
50 mg to 100 mg
19
100 mg to 250 mg
23
250 mg to 500 mg
7
500 mg to 1 g
15
over 1 g
1

Dose per serving from research

12 study groups in 9 studies say how much Nettle participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 250 mg to 500 mg, 42% of 12 study groups.

Daily doseStudy groups
100 mg to 250 mg
3
250 mg to 500 mg
5
500 mg to 1 g
2
1 g to 2.5 g
2

Commonly used together

5 of 13 study groups took Nettle with something else, but nothing that 3 or more different studies gave.

13 study groups

Study
Urtica Dioica Root Extract on Clinical and Biochemical Parameters in Patients with Benign Prostatic Hyperplasia, Randomized Controlled Trial
2020 · Intervention · Men with benign prostatic hyperplasia; age range not reported
450 mg12 weeks30
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)
2021 · Lower-dose stinging nettle · Men aged 44–65 with Gulf War Illness
435 mg30 days10
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)
2021 · Higher-dose stinging nettle · Men aged 44–65 with Gulf War Illness
1.31 g30 days8
[Stinging nettle root extract (Bazoton-uno) in long term treatment of benign prostatic syndrome (BPS). Results of a randomized, double-blind, placebo controlled multicenter study after 12 months]
2004 · Bazoton uno · Patients with benign prostatic syndrome (BPS); age and sex not stated
459 mg1 year—
Urtica dioica in comparison with placebo and acupuncture: A new possibility for menopausal hot flashes: A randomized clinical trial
2019 · Urtica dioica and acupuncture (A) · Women aged 45–60 who were postmenopausal and reported at least 20 hot flashes per week
450 mg7 weeks—
Urtica dioica in comparison with placebo and acupuncture: A new possibility for menopausal hot flashes: A randomized clinical trial
2019 · Sham acupuncture and Urtica dioica (C) · Women aged 45–60 who were postmenopausal and reported at least 20 hot flashes per week
450 mg7 weeks—
Long-term efficacy and safety of a combination of sabal and urtica extract for lower urinary tract symptoms--a placebo-controlled, double-blind, multicenter trial
2005 · PRO 160/120 · Elderly men with lower urinary tract symptoms caused by benign prostatic hyperplasia
240 mg48 weeks129
Long-term efficacy and safety of a combination of sabal and urtica extract for lower urinary tract symptoms--a placebo-controlled, double-blind, multicenter trial
2005 · PRO 160/120 after placebo · Elderly men with lower urinary tract symptoms caused by benign prostatic hyperplasia, initially assigned to placebo
240 mg24 weeks128
Efficacy and safety of a combination of Sabal and Urtica extract in lower urinary tract symptoms--long-term follow-up of a placebo-controlled, double-blind, multicenter trial
2007 · PRO 160/120 group and all patients during the open-label follow-up · Elderly men with moderate or severe lower urinary tract symptoms caused by benign prostatic hyperplasia
240 mg96 weeks—
Combined extracts of Urtica dioica and Pygeum africanum in the treatment of benign prostatic hyperplasia: double-blind comparison of two doses
1993 · Standard-dose group · Patients aged 53 to 84 years with symptoms of benign prostatic hyperplasia
600 mg8 weeks—
Antihypertensive Indigenous Lebanese Plants: Ethnopharmacology and a Clinical Trial
2019 · Urtica dioica (U.D.) group · Adults aged 40–65 with pre-hypertension and two additional risk factors
300 mL16 weeks—
Improved glycemic control in patients with advanced type 2 diabetes mellitus taking Urtica dioica leaf extract: a randomized double-blind placebo-controlled clinical trial
2013 · nettle leaf extract group · Adults with advanced type 2 diabetes mellitus requiring insulin therapy
1.5 g90 days46
Silymarin, Olibanum, and Nettle, A Mixed Herbal Formulation in the Treatment of Type II Diabetes: A Randomized, Double-Blind, Placebo-Controlled, Clinical Trial
2017 · Herbal Formulation · Adults aged 40–60 with type II diabetes mellitus
600 mg90 days30