Best Vitamins & Supplements — every ranking, by use case and budget
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By use case indexed
In-depth vitamins & supplements reviews
Klean Athlete Klean-D
NSF Certified for Sport — 5,000 IU (125 mcg) vitamin D3 per tablet, manufactured by Douglas Laboratories
Read Klean Athlete Klean-D ReviewNature Made Vitamin D3 2000 IU (50 mcg)
USP Verified Mark — 2000 IU (50 mcg) per softgel, 250% of the FDA Daily Value
Read Nature Made Vitamin D3 2000 IU (50 mcg) ReviewThorne Multi-Vitamin Elite (A.M./P.M.)
NSF Certified for Sport — a two-formula A.M./P.M. multivitamin system
Read Thorne Multi-Vitamin Elite (A.M./P.M.) ReviewNature Made Magnesium Citrate 250 mg
USP Verified Mark — 250 mg magnesium as the citrate form, generally more readily absorbed than magnesium oxide
Read Nature Made Magnesium Citrate 250 mg ReviewNature Made Multivitamin Tablets with Iron
USP Verified Mark — 23 listed nutrients including Vitamin D (125% DV) and Folate (166% DV)
Read Nature Made Multivitamin Tablets with Iron ReviewGarden of Life SPORT Certified Grass Fed Whey Protein
Listed as NSF Certified for Sport on NSF's own official certified-products directory — 24g grass-fed whey isolate per serving
Read Garden of Life SPORT Certified Grass Fed Whey Protein ReviewNature Made Extra Strength Vitamin C 1000 mg
USP Verified Mark — 1000 mg ascorbic acid per tablet
Read Nature Made Extra Strength Vitamin C 1000 mg ReviewNature Made Fish Oil 1000 mg
USP Verified Mark — 600 mg total Omega-3 (500 mg combined EPA+DHA) per 2-softgel serving
Read Nature Made Fish Oil 1000 mg ReviewCulturelle Digestive Daily Probiotic
10 billion CFU of the specific strain Lactobacillus rhamnosus GG, plus inulin, per capsule
Read Culturelle Digestive Daily Probiotic ReviewNature Made Super B Energy Complex
USP Verified Mark — a multi-B-vitamin softgel formula
Read Nature Made Super B Energy Complex Review