Top pick · DoseRank
Why this ranks #1 for common cold duration
#1
NOW Foods, Zinc, 50 mg, 250 Tablets
NOW Foods$0.04 / serving4.7 · 79,900Available now
Why this ranks here
- Evidence fitZinc Gluconate is the strongest evidence signal for this outcome.
- Dose fitZinc Gluconate at 50 mg lands inside the studied 50-100 mg window.
- Price / serving$0.04 per serving — low price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
Trade-offs
Dose fit is the weak spot on this list
The numbers
86
87
67
91
50 mgIn rangeinside the studied 50-100 mg window