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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AllAmino AcidsAntioxidants & LongevityAshwagandha & AdaptogensB VitaminsBiotinBlood Sugar SupportBrain & NootropicsCalciumCollagenCoQ10CreatineDigestive HealthEye HealthGreens & SuperfoodsHeart HealthHerbs & BotanicalsHormone & Sexual HealthImmune SupportIronJoint SupportLiver & DetoxMagnesiumMelatonin & SleepMinerals & ElectrolytesMultivitaminsMushroomsOmega-3 & Fish OilPre-WorkoutProbioticsProtein SupplementsTurmeric & CurcuminUrinary HealthVitamin CVitamin DVitamins A, E & KWeight ManagementZinc
Top ratedBest value

Highest score first

11665Blood Sugar Defense67/100KALBlood Sugar Defensetablet · 30 servings · $0.81/servingBuy on iHerb · $24.35
11666D-3 K-2 Natural Citrus Flavor67/100KALD-3 K-2 Natural Citrus Flavorliquid · 59 servings · $0.32/servingBuy on iHerb · $18.63
11667Vitamin C-Rex Orange67/100KAL DinosaursVitamin C-Rex Orangechewable · 100 servings · $0.12/servingBuy on iHerb · $12.17
11668Caralluma Aerial Extract 500 mg67/100SolarayCaralluma Aerial Extract 500 mgcapsule · 30 servings · $0.89/servingBuy on iHerb · $26.59
11669Zinc Citrate 50 mg67/100SolarayZinc Citrate 50 mgcapsule · 30 servings · $0.26/servingBuy on iHerb · $7.69
11670Super Bio Vitamin D-3 5000 IU67/100SolaraySuper Bio Vitamin D-3 5000 IUsoftgel · 120 servings · $0.13/servingBuy on iHerb · $15.59
11671High Potency Selenium 200 mcg67/100SolarayHigh Potency Selenium 200 mcgcapsule · 100 servings · $0.14/servingBuy on iHerb · $14.19
11672Iodine 500 mcg67/100SolarayIodine 500 mcgcapsule · 30 servings · $0.33/servingBuy on iHerb · $9.89
11673Chromium Picolinate 1000 mcg67/100Double Wood SupplementsChromium Picolinate 1000 mcgcapsule · 150 servings · $0.14/servingBuy on iHerb · $20.55
11674Green Tea Fat Metabolizer67/100Irwin NaturalsGreen Tea Fat Metabolizersoftgel · 37 servings · $0.71/servingBuy on iHerb · $26.24
11675Longer, Stronger Hair and Nails67/100Irwin NaturalsLonger, Stronger Hair and Nailssoftgel · 30 servings · $0.67/servingBuy on iHerb · $19.99
11676Collagen Beauty67/100Irwin NaturalsCollagen Beautysoftgel · 13 servings · $2.23/servingBuy on iHerb · $28.99
11677Iodoral IOD 6.2567/100OptimoxIodoral IOD 6.25tablet · 90 servings · $0.32/servingBuy on iHerb · $28.49
11678Niacin 500 mg67/100SolarayNiacin 500 mgcapsule · 100 servings · $0.12/servingBuy on iHerb · $12.29
11679Clinical Potency Vitamin D3 50,000 IU67/100Protocol For Life BalanceClinical Potency Vitamin D3 50,000 IUsoftgel · 50 servings · $0.46/servingBuy on iHerb · $23.10
11680Biotin67/100Sports ResearchBiotinsoftgel · 120 servings · $0.16/servingBuy on iHerb · $18.97
11681Vitamin E Succinate67/100NutriCologyVitamin E Succinatecapsule · 100 servings · $0.50/servingBuy on iHerb · $49.59
11682Magnesium Bisglycinate67/100SMNutritionMagnesium Bisglycinatecapsule · 60 servings · $0.32/servingBuy on iHerb · $18.95
11683Prostabs Plus67/100FuturebioticsProstabs Plustablet · 45 servings · $0.21/servingBuy on iHerb · $9.52
11684Magnesium Bisglycinate Chelate 100 mg67/100KirkmanMagnesium Bisglycinate Chelate 100 mgcapsule · 250 servings · $0.20/servingBuy on iHerb · $48.93
11685KD Ultra67/100Arthur Andrew MedicalKD Ultracapsule · 90 servings · $0.56/servingBuy on iHerb · $50.40
11686Methyl B-1267/100NB Pure Pure VeganMethyl B-12liquid · 175 servings · $0.11/servingBuy on iHerb · $19.95
11687Folate 1,333 mcg DFE67/100SolgarFolate 1,333 mcg DFEcapsule · 250 servings · $0.06/servingBuy on iHerb · $16.22
11688Niacin (Vitamin B3) 500 mg67/100SolgarNiacin (Vitamin B3) 500 mgcapsule · 100 servings · $0.12/servingBuy on iHerb · $12.29

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.