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Scored forOutcome alternatives
Irwin Naturals120 count • 61 servingsAvailable now$31.49$0.52 / serving4.6 · 1,071 ratings
82−10 pts from leader
#119 of 3343 ranked for nail brittlenessLeader · NeoCell, NeoCell, Grassfed Collagen Peptides + Vitamin C & Biotin, 270 Tablets — 92
Why this ranks #119 for nail brittleness
- Evidence fitSilica has moderate human evidence for this outcome.
- Dose fit2 of 2 dosed ingredients land in the studied range. Biotin at 2600 mcg lands inside the studied 2500-5000 mcg window.
- Price / serving$0.52 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.
The numbers · Nail brittleness
82
92
68
96
2600 mcgIn rangeinside the studied 2500-5000 mcg window
11.2 mgIn rangeinside the studied 10-30 mg window
200 mg
1058 mg
80 mg
5 mg
10 mg
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