NSF · USP · Informed Sport · Informed Choice · Informed Protein · IFOS · IGEN
Find third-party certified supplements
Certifications from NSF, USP, the Informed family (Sport, Choice, Protein), IFOS, and IGEN add assurance. We help you find certified options and compare UK retailers.
Browse by category
Amino Acids15Antioxidants9BCAA9Brain Health3Calcium2CBD1Creatine30Electrolytes65Energy108Eye Health4Gut Health22Heart Health10Herbal16Immune2Iron3Joint Health32Magnesium11Minerals5NAD+2Omega-385Post Workout1Pre Workout20Protein98Sleep3Sports Performance11Uncategorized6Vitamin B2Vitamin C5Vitamin D15Vitamin E1Vitamins59Zinc3
Certified picks
Garden of Life
Dr. Formulated Probiotics Once Daily Women's Shelf-Stable 30 Capsules
Gut Health
1 UK retailer
One certified product per category, ranked by number of reviews. Browse all certified products