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Head-to-head evidence comparison — which supplement is right for you?
Maca vs Rhodiola Rosea: Rhodiola Rosea has the stronger overall evidence (5.5 vs 5.5/10); they're alternatives for build stress resilience — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Rhodiola Rosea wins 1 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
Probably helps
2 of 3 studies with measurable effects showed benefit.
Top outcomes
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)
200-600mg daily
Morning on empty stomach, Before stressful events
Standardized to 3% rosavins and 1% salidroside
and 1 more not shown
6-12 weeks
4-8 weeks
4-8 weeks
1 week
1-2 weeks
1 week
First dose
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.
Efficacy of Pharmacological Interventions in Milder Depression: A Systematic Review and Meta-Analysis
Neuropsychopharmacology reports (2025) · Meta analysis · n=1049
Eight RCTs comprising 1049 participants met inclusion criteria.
Rhodiola rosea supplementation on sports performance: A systematic review of randomized controlled trials
Phytotherapy research : PTR (2023) · Systematic review · n=263
Thirteen RCTs with 263 participants were included, and results were heterogenous: 11 studies showed some positive effects while 2 showed no effect.
Modulation of the hypothalamic-pituitary-adrenal (HPA) axis by plants and phytonutrients: a systematic review of human trials
Nutritional neuroscience (2022) · Systematic review
For most phytonutrients, the effects of supplementation on HPA-axis activity in humans is unclear.
Rhodiola Rosea has a higher evidence score (5.5/10 vs 5.5/10) and wins in 1 of 3 categories.
For build stress resilience, Rhodiola Rosea has a higher relevance score (92 vs 60).
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.