Maca
Commonly used for
EnergyLibido
Where to Buy
Our experts personally review each product we recommend for quality and cost effectiveness.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
Wellness uses
Fertility support, sperm quality support, libido, menopause support, testosterone booster
This is anecdotal, and there isn't strong clinical evidence that it works for everyone.
What is it? / Overview
Maca has traditionally been used to enhance libido and fertility. Human studies suggest modest improvements in sexual desire and subjective well-being, but there is little evidence that it significantly alters testosterone or estrogen levels.
How is it used? / Administration
Form: Gelatinized maca root powder or standardized extract (black maca most studied for cognition; red maca for prostate health)
Typical dose studied: 1.5–3 g/day
Timing: Morning with food
Gelatinized maca generally better tolerated than raw. Benefits primarily subjective — not associated with measurable testosterone increases despite popular marketing claims.
How well does it work? / Evidence
~ Moderate evidence
Who should avoid it?
Avoid with: Cancer — active or within past 12 months
Already taking it? Reassess benefit after 8–12 weeks.
Research & references
Shin BC et al. (2010). Maca (L. meyenii) for improving sexual function: a systematic review. BMC Complement Altern Med. Gonzales GF. (2012). Ethnobiology and Ethnopharmacology of Lepidium meyenii (Maca), a Plant from the Peruvian Highlands. Evid Based Complement Alternat Med. Lee MS et al. (2011). Maca (Lepidium meyenii) for treatment of menopausal symptoms: A systematic review. Maturitas.
Disclosure: Knozela is a participant in the Amazon Associates affiliate program. Some "Where to buy" links on this page are affiliate links -- if you make a purchase through them, Knozela may earn a commission at no additional cost to you.