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Head-to-head evidence comparison — which supplement is right for you?
Omega-3 wins 2 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
Probably helps
18 of 27 studies with measurable effects showed benefit.
Top outcomes
1500-3000mg
Morning or early afternoon, With food
Gelatinized maca powder (easier to digest)
2-3g combined EPA+DHA daily
With meals containing fat
Triglyceride form fish oil
6-12 weeks
4-8 weeks
4-8 weeks
4-8 weeks
2-4 weeks
Immediate
4-12 weeks
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.
Marine n-3 Fatty Acids and Prevention of Cardiovascular Disease and Cancer
The New England journal of medicine (2019) · Rct · n=25871
During a median follow-up of 5.3 years, a major cardiovascular event occurred in 386 participants in the n-3 group and in 419 in the placebo group (hazard ratio, 0.92; 95% confidence interval [CI], 0.80 to 1.06; P=0.24).
Omega-3 fatty acids for intermittent claudication
The Cochrane database of systematic reviews (2024) · Meta analysis · n=1830
Omega-3 compared with a control may have little to no effect on ankle-brachial index (MD -0.02, 95% CI -0.08 to 0.04; 3 studies, 168 participants; very low-certainty evidence).
A systematic review and meta-analysis of the omega-3 fatty acids effects on brain-derived neurotrophic factor (BDNF)
Nutritional neuroscience (2024) · Meta analysis · n=587
The present systematic review and meta-analysis indicate the efficacy of omega-3 FAs in increasing the serum concentration of BDNF.
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.
Based on multiple meta-analyses showing EPA-dominant formulas >1g/day most effective. Effects plateau around 2-2.5g. Adjunctive use with antidepressants shows better outcomes than monotherapy.
AI-estimated from published studies. Interpret as directional guidance.
Omega-3 has a higher evidence score (9/10 vs 5.5/10) and wins in 2 of 3 categories.
For support mood, Omega-3 has a higher relevance score (88 vs 58).
No known interactions between Maca and Omega-3 have been documented in our database. However, always consult a healthcare provider before combining supplements.