Maca Supplements: Benefits, Dosage and Safety
Maca supplements come from a Peruvian root vegetable and are marketed for libido and energy. A systematic review found limited evidence from small trials that maca may modestly improve sexual desire. Larger, better studies are needed.
Evidence at a glance
| Use | Grade | What the research shows |
|---|---|---|
| Sexual desire | C | Small trials suggest modest effects. |
A: strong, consistent human evidence · B: moderate · C: limited or mixed · D: good evidence of no benefit.
Maca grows in the high Andes and has been eaten as a food for centuries.
How to take it
Studies used 1.5–3 g of maca powder daily for several weeks. See libido supplements.
Safety and interactions
Generally safe as a food; long-term supplement safety is less studied.
Always tell your doctor and pharmacist about the supplements you take. Check combinations with our interaction checker.
Sources
This page is for education and is not a substitute for advice from your doctor. Read our medical disclaimer.