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Head-to-head evidence comparison — which supplement is right for you?
Pea Protein vs Zinc: Zinc has the stronger overall evidence (8.5 vs 5.5/10); 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
Mostly mechanism / observational
Top outcomes
Verdict
Likely helps
21 of 26 studies with measurable effects showed benefit.
Top outcomes
20-40g per serving (aim for ~2-3g leucine; ~0.7-1g protein/lb bodyweight total daily)
any
Pea protein isolate (often blended with rice protein)
15-30mg daily
With meals
Zinc picolinate or zinc citrate
4-12 weeks
Acute-days
Acute
2-4 weeks
2-4 weeks
4-8 weeks
Immediate
Effects of Whey and Pea Protein Supplementation on Post-Eccentric Exercise Muscle Damage: A Randomized Trial.
Nutrients (2020) · Rct · n=92
No significant pea-vs-whey difference in recovery outcomes
Resistance training increases myofibrillar protein synthesis in middle-to-older aged adults consuming a typical diet with no influence of protein source: a randomized controlled trial.
The American journal of clinical nutrition (2025) · Rct · n=27
Increased muscle protein synthesis with training + pea protein
Real ileal amino acid digestibility of pea protein compared to casein in healthy humans: a randomized trial.
The American journal of clinical nutrition (2022) · Rct · n=15
Pea protein is well digested, though slightly below casein
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).
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 5.5/10) and wins in 2 of 3 categories.
For speed up recovery, Zinc has a higher relevance score (70 vs 52).
No known interactions between Pea Protein 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.