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Head-to-head evidence comparison — which supplement is right for you?
Tart Cherry vs Zinc: Zinc has the stronger overall evidence (8.5 vs 6/10); they're alternatives for speed up recovery — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Zinc wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
12 of 12 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
19 of 24 studies with measurable effects showed benefit.
Top outcomes
480-500mg extract or 240ml (8oz) juice twice daily
Morning and evening, Before/after exercise for recovery
Concentrated Montmorency tart cherry extract (capsules)
15-30mg daily
With meals
Zinc picolinate or zinc citrate
and 4 more not shown
1-2 weeks
Same day/next day
1-3 days
N/A
2-4 weeks
2-4 weeks
4-8 weeks
Immediate
Effects of dietary supplements on athletic performance in elite soccer players: a systematic review
Journal of the International Society of Sports Nutrition (2023) · Systematic review · n=1043
Nitrate-rich beetroot concentrate can attenuate performance decrease in the days following matches.
Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials
Journal of the International Society of Sports Nutrition (2021) · Meta analysis
No effect on exercise performance following consumption of foods rich in L-citrulline was identified (SMD=-0.03, p=0.24).
Efficacy, acceptability, and tolerability of all available treatments for insomnia in the elderly: a systematic review and network meta-analysis
Acta psychiatrica Scandinavica (2020) · Meta analysis · n=6832
Insufficient evidence exists on which intervention is more efficacious for elderly patients with insomnia.
Efficacy of Zinc Supplementation in the Management of Primary Dysmenorrhea: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis · n=739
Zinc supplementation significantly reduced pain severity compared to placebo (Hedges's g = -1.541; 95% CI: -2.268 to -0.814; p < 0.001), representing a clinically meaningful reduction in pain.
Effects of Daily Zinc Alone or in Combination with Other Nutrient Supplements on the Risk of Malaria Parasitaemia: A Systematic Review and Meta-Analysis of Randomised Controlled Trials
Nutrients (2023) · Meta analysis · n=1339
The effect sizes, represented as risk ratios (RRs) with 95% confidence intervals (CIs), were standardised by transforming them into log RRs and then pooling them using a fixed-effects or random-effects model depending on the heterogeneity across studies.
Prevalence of Zinc Deficiency in Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis
Nutrients (2022) · Meta analysis · n=806
Pooled analyses by the IBD subgroup showed a total population of 1677 with CD, for an overall mean zinc deficiency prevalence of 54% and 95% confidence intervals (CI) ranging from 0.51 to 0.56, versus 41% (95%CI 0.38-0.45) in the UC population (n = 806).
Meta-analysis showed small beneficial effect (ES = -0.44). Multiple studies but limited sample sizes. Effect appears modest and variable between individuals.
Based on meta-analyses showing reduced respiratory tract infections and improved immune markers (CD3/CD4). Effects primarily in deficient individuals. Take with food to reduce nausea risk.
AI-estimated from published studies. Interpret as directional guidance.
Zinc has a higher evidence score (8.5/10 vs 6/10) and wins in 2 of 3 categories.
For speed up recovery, Tart Cherry has a higher relevance score (85 vs 70).
No known interactions between Tart Cherry and Zinc have been documented in our database. However, always consult a healthcare provider before combining supplements.
AREDS2 works for diagnosed AMD; lutein/screen-strain claims are weaker. Who actually benefits.
The popular one (saw palmetto) mostly fails in rigorous trials; beta-sitosterol is the better bet.
Selenium helps; iodine can WORSEN Hashimoto’s. The honest take on "thyroid support".
CoQ10, zinc, selenium, carnitine modestly help sperm parameters — but live-birth evidence is weak.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.