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Head-to-head evidence comparison — which supplement is right for you?
Maca wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
3 of 3 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (2)
Outcomes where both Maca and Yohimbe have evidence — compare verdict strength side-by-side.
1500-3000mg
Morning or early afternoon, With food
Gelatinized maca powder (easier to digest)
Standardized yohimbine ~5-10mg (or ~0.2mg/kg) up to 1-2x daily; start at the lowest dose. Raw yohimbe bark is discouraged due to unpredictable content.
morning
Standardized yohimbine HCl (known dose)
6-12 weeks
4-8 weeks
4-8 weeks
2-8 weeks
Acute
Acute
Throughout use
Effects of Maca (Lepidium meyenii Walp.) on Physical Performance in Animals and Humans: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis
They revealed a large effect for all outcomes (SMD: FST = 2.26, RRT = 6.26, GST = 5.23, LA = -1.01, and BLA = -1.70).
A review of the study of active components and their pharmacology value in Lepidium meyenii (Maca)
Phytotherapy research : PTR (2021) · Systematic 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
Yohimbine significantly more effective than placebo for ED
Erectile dysfunction.
BMJ clinical evidence (2011) · Review
Yohimbine has modest ED efficacy
Pharmacological interventions in primary or secondary male anorgasmia: A systematic review.
Actas urologicas espanolas (2025) · Systematic review
Yohimbine among agents assessed for anorgasmia
Based on meta-analysis showing large effect sizes for physical performance outcomes. Effects may vary significantly between raw and gelatinized forms. Limited human studies with small sample sizes.
AI-estimated from published studies. Interpret as directional guidance.
Maca has a higher evidence score (5.5/10 vs 5/10) and wins in 3 of 3 categories.
For libido & male vitality, Maca has a higher relevance score (80 vs 68).
No known interactions between Maca and Yohimbe have been documented in our database. However, always consult a healthcare provider before combining supplements.