Maca

Lepidium meyenii (Peruvian Maca)
Also known as: Peruvian Maca, Lepidium meyenii, Maca Root, Peruvian Ginseng
Food-Derived
Evidence ☆☆☆☆☆0/5
Best for
SafetyNo significant concerns
OnsetVaries
Cost$12-25/mo
References2 studies cited

TL;DR

  • Traditional Peruvian superfood used for 2000+ years

  • Modest evidence for libido and sexual function

  • Different colored varieties may have different effects

  • Excellent safety profile as a food

  • Affordable and widely available

  • Best for: General vitality, libido support, and nutritional enhancement

What it is

Maca (Lepidium meyenii) is a cruciferous root vegetable that grows at extreme altitudes (above 11,000 feet) in the Peruvian Andes. For over 2,000 years, indigenous Andean peoples have cultivated and consumed maca as both a staple food and medicinal plant, prizing it for enhancing fertility, stamina, and overall vitality.

Unlike many herbal supplements, maca is essentially a food - similar to a radish or turnip - that's been dried and powdered. It contains a rich profile of amino acids, vitamins, minerals, and unique compounds called macamides and macaenes that may contribute to its bioactive properties. Different colored varieties (yellow, red, black) are thought to have slightly different effects.

What the research says

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Safety

Maca has an excellent safety profile because it's essentially a food rather than a concentrated herbal extract. Most people tolerate it extremely well, with no serious adverse effects reported in clinical studies or traditional use over millennia.

Some people may experience mild digestive upset when first starting maca, particularly with larger doses. This usually resolves as the body adjusts. Very rarely, some individuals report feeling overstimulated or experiencing sleep issues if taking large amounts, though this is uncommon given maca's gentle nature.

Interactions

No known drug interactions - Extensive traditional use and clinical studies have not identified any concerning interactions • Generally safe with medications - Can typically be used alongside most prescription and over-the-counter medications • Hormone medications - While generally safe, some practitioners recommend monitoring when used with hormone replacement therapy, though no adverse interactions are documented

Dosing

Powder Form: 1.5-3 grams (about 1-2 teaspoons) daily is typical, often mixed into smoothies, yogurt, or oatmeal. Capsules: Usually 500-1000mg, taken 2-3 times daily. Timing: Can be taken any time, though some prefer morning to avoid any potential energizing effects late in day. Colors: Yellow maca is most common and well-studied; red may be better for bone health; black may be more beneficial for male fertility.

Cost

Maca is one of the more affordable superfoods. Basic organic maca powder typically costs $12-18 monthly for standard doses. Premium varieties, gelatinized maca (easier to digest), or specific color varieties may cost $20-25. Capsules are slightly more expensive but still reasonable at $15-30 monthly depending on the brand and concentration.

The bottom line

Maca is a legitimate superfood with a long history of traditional use and a solid safety profile. While the research on specific benefits like libido enhancement is modest, it's a nutritious addition to most diets with virtually no downside. It's not going to dramatically transform your health, but it's an affordable, safe way to add nutrients and potentially support general vitality and energy levels.

References

  1. Meta-analysismacaPubMed
  2. RCTmacaPubMed

Sources for this page include published meta-analyses, systematic reviews, and NIH dietary supplement fact sheets. All claims reflect the evidence as of early 2026.

This is not medical advice. Consult your healthcare provider before starting any supplement, especially if you take medications.