Product photo 1 of 2
Scored forOutcome alternatives
Zhou Nutrition60 count • 30 servingsAvailable now$22.31$0.74 / serving4.5 · 1,598 ratings13 / day
83−9 pts from leader
#129 of 3810 ranked for nail brittlenessLeader · NeoCell, NeoCell, Grassfed Collagen Peptides + Vitamin C & Biotin, 270 Tablets — 92
Why this ranks #129 for nail brittleness
- Evidence fitEvidence is still thin for Biotin and Keratin.
- Dose fitDose-range data is not available for this formula yet.
- Price / serving$0.74 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustSolid trust signals from buyer ratings, with room to grow.
Trade-offsValue for money trails the rest of this listEvidence depth trails the rest of this list
The numbers · Nail brittlenessWhat's inside
83
90
81
97
5000 mcgThin evidenceevidence for this ingredient is still thin
300 mgThin evidenceevidence for this ingredient is still thin
20 mgThin evidenceevidence for this ingredient is still thin
Retailer links may be affiliate links. Rankings and placement are not paid placement.
