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Why this ranks #16 for immune function
- Evidence fitZinc Citrate leads the evidence here, backed by Retinyl Acetate.
- Dose fit1 of 2 dosed ingredients land in the studied range. Zinc Citrate at 30 mg lands inside the studied 15-50 mg window.
- Price / serving$0.22 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustSolid trust signals from buyer ratings, with room to grow.
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