Top pick · DoseRank
Why this ranks #1 for precancerous lesion progression
#1
21st Century, Niacinamide, Prolonged Release , 110 Tablets
21st Century$0.05 / serving4.6 · 4,502Available now
Why this ranks here
- Evidence fitNiacinamide is the strongest evidence signal for this outcome.
- Dose fitNiacinamide at 500 mg lands inside the studied 500-1000 mg window.
- Price / serving$0.05 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
88
67
93
500 mgIn rangeinside the studied 500-1000 mg window