Every supplement scored.
Every dollar justified.
Independent reviews scoring 130+ products on clinical evidence, third-party testing, cost per effective dose, and label transparency. How we score
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15 categories, 250+ supplementsRecently Scored
All supplements →A
Kirkland Signature Vitamin D3 50 mcg (2000 IU)
Kirkland Signature
$0.02/day
Tested
A
Nature Made Vitamin D3 50 mcg (2000 IU)
Nature Made
$0.04/day
Tested
A
Jarrow Formulas Methyl B-12 1000 mcg
Jarrow Formulas
$0.05/day
Tested
A
Melatonin 300 mcg (0.3mg)
Life Extension
$0.05/day
Tested
A
KSM-66 Ashwagandha Extract 300mg
Nootropics Depot
$0.25/day
Tested
A
Micronized Creatine Monohydrate Powder
Optimum Nutrition
$0.33/day
Tested
A
Thorne Iron Bisglycinate
Thorne
$0.33/day
Tested
A
KSM-66 Ashwagandha 600mg
NutraBio
$0.42/day
Tested
How We Score
Evidence
Systematic reviews and RCTs, not marketing claims. We grade the actual clinical research.
Quality & Purity
USP, NSF, ConsumerLab, BSCG certifications. Third-party testing status verified.
Value
Cost per clinically effective dose, not per pill. The metric that actually matters.
Transparency
Full ingredient disclosure, no proprietary blends, forms and sources identified.
Scorecard Newsletter
Weekly research summaries and new product scores. No spam.