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Maca: study protocols

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

Maca: what the research found →

Dose per serving from products

160 products in our catalogue print how much Maca a serving holds.

Most common: 100 mg to 250 mg, 36% of 160 products.

Dose per servingProducts
10 mg or less
6
10 mg to 25 mg
4
25 mg to 50 mg
22
50 mg to 100 mg
20
100 mg to 250 mg
58
250 mg to 500 mg
20
500 mg to 1 g
19
1 g to 2.5 g
5
over 2.5 g
6

Dose per serving from research

7 study groups in 6 studies say how much Maca participants took a day.

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

Most common: 2.5 g to 5 g, 57% of 7 study groups.

Daily doseStudy groups
1 g to 2.5 g
3
2.5 g to 5 g
4

Commonly used together

None of these 7 study groups took Maca with anything else.

7 study groups

Study
Beneficial effects of Lepidium meyenii (Maca) on psychological symptoms and measures of sexual dysfunction in postmenopausal women are not related to estrogen or androgen content
2008 · Maca treatment · Postmenopausal women; age range and condition beyond postmenopausal status not specified
3.5 g6 weeks14
A double-blind, randomized, pilot dose-finding study of maca root (L. meyenii) for the management of SSRI-induced sexual dysfunction
2008 · low-dose maca regimen · Remitted depressed outpatients with SSRI-induced sexual dysfunction; mean age 36 years, 17 of 20 participants were women
1.5 g——
A double-blind, randomized, pilot dose-finding study of maca root (L. meyenii) for the management of SSRI-induced sexual dysfunction
2008 · high-dose maca regimen · Remitted depressed outpatients with SSRI-induced sexual dysfunction; mean age 36 years, 17 of 20 participants were women
3 g——
Subjective effects of Lepidium meyenii (Maca) extract on well-being and sexual performances in patients with mild erectile dysfunction: a randomised, double-blind clinical trial
2009 · Maca dry extract · Adult Caucasian men with mild erectile dysfunction
2.4 g12 weeks—
Does Lepidium meyenii (Maca) improve seminal quality?
2020 · maca · Adult men diagnosed with mild asthenozoospermia and/or mild oligozoospermia
2 g12 weeks35
Maca reduces blood pressure and depression, in a pilot study in postmenopausal women
2015 · Maca · Postmenopausal Hong Kong Chinese women
3.3 g6 weeks29
Enhancement of Interferon-γ Secretion by Lepidium meyenii Extract Supplementation After Exhaustive Endurance Exercise in Healthy Men: A Double-blind, Placebo-controlled Trial
2025 · maca group · Healthy men; age range not reported; no stated condition
4.5 g12 weeks9