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Adaptogen

Maca

Also known as: Lepidium meyenii, Maca Root, Peruvian ginseng, Maca Root Extract (Lepidium meyenii)

B
Evidence

Maca is a cruciferous root vegetable from Peru traditionally used for fertility and sexual function. Clinical evidence supports modest benefits for sexual desire and erectile function in some populations, though effects are generally moderate.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

Add BulkSupplements Organic Maca Root Extract Powder to your stack — free
The highest-scored Maca product in our catalog (89/100). Track dose and overlaps in the app.
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Every Maca product we have scored

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Maca should I take?

The typical range is 1500-3000mg powder or 450-500mg extract. Cycle 2-3 months on/off

When should I take Maca?

Morning with breakfast. Yes.

Which form of Maca is best?

Powder — Gelatinized easier digest. Other forms in the catalog: Capsule, Gelatinized, Red maca, Capsules, Extract, Tablet.

Is Maca safe?

Commonly reported: GI upset raw form, Insomnia late, Jitteriness. Serious warnings: May affect thyroid. No concerns

Which Maca supplement scores highest?

BulkSupplements Organic Maca Root Extract Powder, at 89/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

  • Energy
  • Libido
  • Hormone balance
  • Mood
  • Menopause symptoms
  • Fertility support
  • Hormonal balance

What systematic reviews concluded

Outcomes that systematic reviews of Maca reached a verdict on: 1 with a benefit, 2 with no effect. Each is quoted from a review and linked to it on PubMed. How these were read.

Reviews found a benefit (1)

Benefitphysical performance(as Lepidium meyenii)
“The phytochemical compounds of LmW, mainly macamides, increase physical performance, showing a greater effect at higher doses (dose-response effect).” PMID 39796542
Every supplement reviewed for exercise performance →

Reviews found no effect (2)

No effecttestosterone(as Lepidium meyenii)
“Our findings indicate that most fail to increase total testosterone.” PMID 37697053
Every supplement reviewed for testosterone & erectile function →
No effectskin wrinkling
“No significant reduction was noted for green tea, Vitaphenol® (a combination of green and white teas, mangosteen and pomegranate extract) or maca root.” PMID 21087067

How it works

  • Contains macamides
  • Hormone-balancing indirectly
  • Nutritionally dense

Dosage

Typical range
1500-3000mg powder or 450-500mg extract
Timing
Morning with breakfast
With food
Yes
Duration
Cycle 2-3 months on/off
Special populations
Energy, libido, menopause

Forms

  • Powder
  • Capsule
  • Gelatinized
  • Red maca
  • Capsules
  • Extract· 70/100
  • Tablet· 70/100

Safety

Common side effects

  • GI upset raw form
  • Insomnia late
  • Jitteriness

Contraindications

  • Hormone-sensitive conditions (research ongoing)

Products containing Maca

Top-scoring supplements in our catalog that list Maca on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

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Evidence notes

Good evidence for energy and libido

Grade B: Some human trials support key claims; further confirmation needed.

Related in Adaptogen

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.