Supplement Ratings

iHerb picks

Best supplements on iHerb

Skip hours of label reading. Every pick below is sold on iHerb and passed our label check with 60+ points, so whatever you choose is worth taking, and you see today's price before you click.

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AllAshwagandha & AdaptogensB VitaminsBiotinCalciumCollagenCoQ10CreatineGreens & SuperfoodsIronMagnesiumMelatonin & SleepMultivitaminsOmega-3 & Fish OilPre-WorkoutProbioticsProtein SupplementsTurmeric & CurcuminVitamin CVitamin DZinc
Top ratedBest value

13,437 picks across every category, highest score first

409Vitamin D3 25 mcg Unflavored85/100Natural FactorsVitamin D3 25 mcg Unflavoredliquid · 500 servings · $0.03/servingBuy on iHerb · $14.39
410The Perfect Men's Multi Blackberry Blitz85/100OLLYThe Perfect Men's Multi Blackberry Blitzgummy · 45 servings · $0.31/servingBuy on iHerb · $13.99
411Zinc Carnosine85/100Swanson UltraZinc Carnosinecapsule · 30 servings · $0.79/servingBuy on iHerb · $23.79
412Selenium 100 mcg85/100Swanson Premium BrandSelenium 100 mcgcapsule · 30 servings · $0.43/servingBuy on iHerb · $12.79
413Thyroid Health85/100EmeraldThyroid Healthcapsule · 30 servings · $1.42/servingBuy on iHerb · $42.60
414Vitamin D3 10 mcg (400 IU) Unflavored85/100Natural FactorsVitamin D3 10 mcg (400 IU) Unflavoredliquid · 500 servings · $0.02/servingBuy on iHerb · $11.17
415Zinc Orotate85/100Swanson UltraZinc Orotatecapsule · 30 servings · $0.42/servingBuy on iHerb · $12.48
416Vitamin D/K285/100ThorneVitamin D/K2liquid · 600 servings · $0.06/servingBuy on iHerb · $34.00
417Low Dose Vitamin K2 45 mcg85/100Life ExtensionLow Dose Vitamin K2 45 mcgsoftgel · 30 servings · $0.45/servingBuy on iHerb · $13.50
418Organic Iron Drops85/100WellementsOrganic Iron Dropsliquid · 30 servings · $0.45/servingBuy on iHerb · $13.64
419PureDefense w/NAC85/100Pure EncapsulationsPureDefense w/NACcapsule · 60 servings · $1.38/servingBuy on iHerb · $82.95
420Zinc Citrate 2585/100NutriCologyZinc Citrate 25capsule · 60 servings · $0.17/servingBuy on iHerb · $9.99
421Iodine (Potassium Iodide)85/100Pure EncapsulationsIodine (Potassium Iodide)capsule · 120 servings · $0.17/servingBuy on iHerb · $20.50
422Zinc Carnosine85/100SwansonZinc Carnosinecapsule · 30 servings · $0.79/servingBuy on iHerb · $23.79
423Junior Nutrients85/100Pure EncapsulationsJunior Nutrientscapsule · 60 servings · $0.53/servingBuy on iHerb · $31.50
424Vitamin D3 100085/100Nordic NaturalsVitamin D3 1000softgel · 120 servings · $0.13/servingBuy on iHerb · $15.26
425Transmax Tr85/100BiotiviaTransmax Trtablet · 60 servings · $1.14/servingBuy on iHerb · $68.37
426SunActive Non-Irritating Iron 15 mg85/100Swanson UltraSunActive Non-Irritating Iron 15 mgcapsule · 30 servings · $0.47/servingBuy on iHerb · $14.16
427Vitamin K2 MK-785/100CarlsonVitamin K2 MK-7softgel · 30 servings · $0.61/servingBuy on iHerb · $18.28
428Vitamin A85/100CarlsonVitamin Asoftgel · 30 servings · $0.23/servingBuy on iHerb · $7.01
429Vitamin A 10,000 IU85/100CarlsonVitamin A 10,000 IUsoftgel · 30 servings · $0.49/servingBuy on iHerb · $14.62
430A & D 10,000 IU & 400 IU85/100CarlsonA & D 10,000 IU & 400 IUsoftgel · 30 servings · $0.24/servingBuy on iHerb · $7.23
431Moistur-Eyes85/100CarlsonMoistur-Eyessoftgel · 30 servings · $1.03/servingBuy on iHerb · $30.77
432Albion DiMagnesium Malate85/100Swanson UltraAlbion DiMagnesium Malatepowder · 30 servings · $0.65/servingBuy on iHerb · $19.59

Scores rate what's on the label (dosage transparency, cleanliness, ingredient profile), not clinical results. Prices come from the iHerb catalog feed and can change at checkout.