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Why this ranks #347 for immune function
- Evidence fitCalcium Ascorbate and Retinyl Acetate have moderate human evidence for this outcome.
- Dose fit2 of 4 dosed ingredients land in the studied range. Calcium Ascorbate at 100 mg (calculated) sits below the studied 250-1000 mg window.
- Price / serving$0.40 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
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