How we rank products

Our products are carefully evaluated using multiple quality factors and assigned a score between 0 and 100. The same formula is applied to every brand — no pay-to-play, no editorial overrides.

• Ingredient quality
• Bioavailability
• Effective dosage
• Clean label
• Certifications
• User trust
• Value

Re-calculated automatically every time a product is updated. Affiliate links don't change scores.