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

433Methyl Folate 400 mcg85/100Jarrow FormulasMethyl Folate 400 mcgcapsule · 60 servings · $0.17/servingBuy on iHerb · $10.08
434Vitamin D3 500 IU Natural Black Cherry Flavor85/100Nature's Plus Source of Life Animal ParadeVitamin D3 500 IU Natural Black Cherry Flavorchewable · 30 servings · $0.45/servingBuy on iHerb · $13.56
435Total Skin Wellness85/100Bio NutritionTotal Skin Wellnesstablet · 30 servings · $0.68/servingBuy on iHerb · $20.27
436Flawless Complexion Berry Fresh85/100OLLYFlawless Complexion Berry Freshgummy · 25 servings · $0.56/servingBuy on iHerb · $13.99
437Sambucus Immune Syrup85/100Nature's WaySambucus Immune Syrupliquid · 12 servings · $1.15/servingBuy on iHerb · $13.74
438Selenium 100 mcg85/100SwansonSelenium 100 mcgcapsule · 30 servings · $0.37/servingBuy on iHerb · $11.09
439Vitamin D3 1000 IU85/100Doctor's BestVitamin D3 1000 IUsoftgel · 180 servings · $0.06/servingBuy on iHerb · $9.99
440Zinc Picolinate 22 mg85/100SwansonZinc Picolinate 22 mgcapsule · 30 servings · $0.33/servingBuy on iHerb · $9.79
441High Absorption Magnesium Powder85/100Doctor's BestHigh Absorption Magnesium Powdertablet · 100 servings · $0.20/servingBuy on iHerb · $19.99
442Fully Active Folate 800 with Quatrefolic 800 mcg85/100Doctor's BestFully Active Folate 800 with Quatrefolic 800 mcgcapsule · 60 servings · $0.17/servingBuy on iHerb · $9.99
443Natural Vitamin K2 MK-7 with MenaQ7 100 mcg85/100Doctor's BestNatural Vitamin K2 MK-7 with MenaQ7 100 mcgcapsule · 60 servings · $0.23/servingBuy on iHerb · $13.99
444K-2 100 mcg85/100SwansonK-2 100 mcgsoftgel · 30 servings · $0.65/servingBuy on iHerb · $19.49
445Real Food K-2 200 mcg Maximum Strength85/100SwansonReal Food K-2 200 mcg Maximum Strengthsoftgel · 30 servings · $1.27/servingBuy on iHerb · $37.99
446Liquid L-Carnitine 1000 mg Citrus Flavor85/100NOW SportsLiquid L-Carnitine 1000 mg Citrus Flavorliquid · 32 servings · $0.50/servingBuy on iHerb · $15.92
447High Potency Vitamin D-3 1,000 IU85/100NOWHigh Potency Vitamin D-3 1,000 IUsoftgel · 30 servings · $0.18/servingBuy on iHerb · $5.50
448Magnesium Citrate Pure Powder85/100NOWMagnesium Citrate Pure Powderpowder · 76 servings · $0.16/servingBuy on iHerb · $12.24
449Prostate Health85/10021st CenturyProstate Healthsoftgel · 30 servings · $0.67/servingBuy on iHerb · $19.99
450Vegan Hair, Skin & Nails85/100NOW SolutionsVegan Hair, Skin & Nailscapsule · 45 servings · $0.41/servingBuy on iHerb · $18.36
451Vitamin D3 25 mcg (1000 IU)85/100Country LifeVitamin D3 25 mcg (1000 IU)softgel · 30 servings · $0.51/servingBuy on iHerb · $15.29
452Osteo-Nutrients II (with Vitamin K2-7)85/100Vital NutrientsOsteo-Nutrients II (with Vitamin K2-7)capsule · 120 servings · $0.34/servingBuy on iHerb · $40.99
453Vitamin K2 MK-7 (Menaquinone-7) 45 mcg85/100CarlsonVitamin K2 MK-7 (Menaquinone-7) 45 mcgsoftgel · 30 servings · $0.61/servingBuy on iHerb · $18.28
454Biotin 600 mcg85/100Life ExtensionBiotin 600 mcgcapsule · 30 servings · $0.20/servingBuy on iHerb · $6.00
455Vitamin A 10,000 IU85/100NOWVitamin A 10,000 IUsoftgel · 30 servings · $0.13/servingBuy on iHerb · $3.90
456A&D 10,000/400 IU85/100NOWA&D 10,000/400 IUsoftgel · 30 servings · $0.18/servingBuy on iHerb · $5.37

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.