ℹ At the minimum effective range, but below the optimal dose; evidence is strong
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. This is a limiting factor: Dose is below the ranges usually used for stronger effects. The declared form is acceptable, but not among the best-absorbed options.
Scientific evidence
Singh & Das Cochrane review zinc for common cold
Cochrane Database of Systematic Reviews • 2011
PMID: 22553186.0
Prasad et al. RCT zinc supplementation and testosterone in elderly men
Nutrition • 1996
PMID: 8875519.0
