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Head-to-head evidence comparison — which supplement is right for you?
Maca vs Yohimbine: Maca has the stronger overall evidence (5.5 vs 5/10); they're alternatives for libido & male vitality — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Maca wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
Top outcomes
Shared outcomes (1)
Outcomes where both Maca and Yohimbine have evidence — compare verdict strength side-by-side.
1500-3000mg (a typical label dose, not the dose used in the cited trial, which gave 2.25 g twice a day for 12 weeks)
Morning or early afternoon, With food
Gelatinized maca powder (easier to digest)
Standardized yohimbine HCl ~0.2 mg/kg (roughly 5-15 mg) up to 1-2x daily; start at the lowest dose, ideally fasted for the fat-loss effect. Never combine with other stimulants.
Morning
Standardized yohimbine HCl (known dose)
and 2 more not shown
6-12 weeks
4-8 weeks
4-8 weeks
3-8 weeks
2-8 weeks
Acute
Acute
Effects of Maca (Lepidium meyenii Walp.) on Physical Performance in Animals and Humans: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis
A systematic review of 21 randomised studies of maca in animals and humans, 16 of them pooled in a meta-analysis. The abstract pools animal and human studies and does not report human results separately.
A review of the study of active components and their pharmacology value in Lepidium meyenii (Maca)
Phytotherapy research : PTR (2021) · Review
Additionally, the research on the change of active components in Maca at different growth stages by MS will be beneficial to full utilization of active components in Maca and other natural resources.
Enhancement of Interferon-γ Secretion by Lepidium meyenii Extract Supplementation After Exhaustive Endurance Exercise in Healthy Men: A Double-blind, Placebo-controlled Trial
International journal of medical sciences (2025) · Rct · n=20
Regarding the main time effect, the number of lymphocytes in all participants was significantly lower at 2 and 4 hours after exercise than before supplementation.
Yohimbine for erectile dysfunction: a systematic review and meta-analysis of randomized clinical trials.
The Journal of urology (1998) · Meta analysis
Meta-analysis of seven placebo-controlled RCTs of yohimbine monotherapy for erectile dysfunction
Yohimbine as a treatment for erectile dysfunction: A systematic review and meta-analysis.
Turkish journal of urology (2021) · Meta analysis
Systematic review and meta-analysis of eight RCTs comparing yohimbine with placebo or no treatment for erectile dysfunction.
Yohimbine: the effects on body composition and exercise performance in soccer players.
Research in sports medicine (2006) · Rct · n=20
Randomized placebo-controlled trial in 20 elite male soccer players, 20 mg/day for 21 days
Maca has a higher evidence score (5.5/10 vs 5/10) and wins in 2 of 3 categories.
For libido & male vitality, Maca has a higher relevance score (80 vs 62).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
CoQ10, zinc, selenium, carnitine modestly help sperm parameters — but live-birth evidence is weak.
Hot flashes, bone, sleep, muscle — the basics that hold up vs the phytoestrogen hype.
The transition years (40s): cycle changes, mood, sleep, brain fog — foundations, vitex, and starting muscle work early.
Mostly hype unless you’re deficient — what has modest evidence vs what doesn’t, and when to see a doctor.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.