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Scored forOutcome alternatives
Life Extension120 count • 30 servingsAvailable now$22.27$0.74 / serving4.7 · 6,899 ratings
91−1 pts from leader
#3 of 3343 ranked for nail brittlenessLeader · NeoCell, NeoCell, Grassfed Collagen Peptides + Vitamin C & Biotin, 270 Tablets — 92
Why this ranks #3 for nail brittleness
- Evidence fitSilica has moderate human evidence for this outcome.
- Dose fit3 of 4 dosed ingredients land in the studied range. Biotin at 2500 mcg lands inside the studied 2500-5000 mcg window.
- Price / serving$0.74 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Nail brittleness
91
98
72
99
2500 mcgIn rangeinside the studied 2500-5000 mcg window
2500 mgIn rangeinside the studied 2500-5000 mg window
500 mgIn rangeinside the studied 500-500 mg window
1.5 mg (calculated)Below rangebelow the studied 10-30 mg window
13.7 mg
1.6 mg
18 mg
2 mg
15 mg
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