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.

  • Doses, fillers and hidden blends checked
  • Today's price and cost per serving
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13,437 picks across every category, highest score first

625Vitamin A 10,000 IU Natural85/100CarlsonVitamin A 10,000 IU Naturalsoftgel · 30 servings · $0.23/servingBuy on iHerb · $7.01
626Cal/Mag/Zinc Complex85/100Nature's LifeCal/Mag/Zinc Complexcapsule · 63 servings · $0.38/servingBuy on iHerb · $24.09
627Best Stabilized R-Lipoic Acid85/100Doctor's BestBest Stabilized R-Lipoic Acidcapsule · 180 servings · $0.28/servingBuy on iHerb · $49.99
628High Absorption 100% Chelated Magnesium Powder85/100Doctor's BestHigh Absorption 100% Chelated Magnesium Powderpowder · 100 servings · $0.20/servingBuy on iHerb · $19.99
629Magnesium Bisglycinate85/100Thorne ResearchMagnesium Bisglycinatepowder · 60 servings · $0.87/servingBuy on iHerb · $52.00
630Fully Active Folate 400 mcg85/100Doctor's BestFully Active Folate 400 mcgcapsule · 90 servings · $0.12/servingBuy on iHerb · $10.99
631Collagen Advanced Formula Type 1, 2 & 385/100youtheoryCollagen Advanced Formula Type 1, 2 & 3tablet · 26 servings · $0.51/servingBuy on iHerb · $13.17
632NutraSpray Melatonin 1.5 mg Orange Flavor85/100Source NaturalsNutraSpray Melatonin 1.5 mg Orange Flavorliquid · 30 servings · $0.34/servingBuy on iHerb · $10.15
633Maitake D Fraction85/100Mushroom WisdomMaitake D Fractioncapsule · 90 servings · $0.65/servingBuy on iHerb · $58.22
634Vitamin D3 400 IU85/100Natural FactorsVitamin D3 400 IUliquid · 500 servings · $0.02/servingBuy on iHerb · $11.17
635Cinnamon Glucose Balance 910 mg85/100Planetary HerbalsCinnamon Glucose Balance 910 mgtablet · 30 servings · $0.40/servingBuy on iHerb · $11.98
637Sambucus Immune Berry Flavor85/100Nature's WaySambucus Immune Berry Flavorliquid · 12 servings · $1.15/servingBuy on iHerb · $13.74
638Vitamin D 3 25 mcg (1000 IU)85/100SolgarVitamin D 3 25 mcg (1000 IU)softgel · 30 servings · $0.38/servingBuy on iHerb · $11.53
639Vitamin D3 400 IU85/100SolgarVitamin D3 400 IUsoftgel · 30 servings · $0.23/servingBuy on iHerb · $7.01
640Osteo Bi-Flex Triple Strength84/100Osteo Bi-FlexOsteo Bi-Flex Triple Strengthtablet · 60 servings · $0.67/servingBuy on iHerb · $39.90
641Ortho Thyroid84/100Protocol For Life BalanceOrtho Thyroidcapsule · 45 servings · $0.54/servingBuy on iHerb · $24.15
642Liquid B-12 B-Complex84/100NOWLiquid B-12 B-Complexliquid · 60 servings · $0.11/servingBuy on iHerb · $6.75
643EpiCor Plus Immunity84/100NOWEpiCor Plus Immunitycapsule · 30 servings · $0.76/servingBuy on iHerb · $22.65
644Pycnogenol 100 mg84/100NOWPycnogenol 100 mgcapsule · 30 servings · $2.00/servingBuy on iHerb · $60.03
645Thyroid Energy84/100NOWThyroid Energycapsule · 45 servings · $0.30/servingBuy on iHerb · $13.56
646Serenelle84/100Quality Of LifeSerenellecapsule · 30 servings · $0.87/servingBuy on iHerb · $26.21
647Multi For Women84/100MegaFoodMulti For Womentablet · 30 servings · $1.03/servingBuy on iHerb · $30.99
648Women's Multivitamin84/100Innate Response FormulasWomen's Multivitamintablet · 30 servings · $1.21/servingBuy on iHerb · $36.27

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.