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
  • One click to order on iHerb

We may earn a commission when you buy through these links, at no extra cost to you. It never changes a score or a ranking. See how we score

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

13345Advanced Sleep Melatonin + 5-HTP Time Release60/100NatrolAdvanced Sleep Melatonin + 5-HTP Time Releasetablet · 60 servings · $0.26/servingBuy on iHerb · $15.59
13346Probiotics + Prebiotics Women's Daily60/100Renew LifeProbiotics + Prebiotics Women's Dailycapsule · 30 servings · $1.32/servingBuy on iHerb · $39.59
13347Niacin 100 mg60/10021st CenturyNiacin 100 mgtablet · 30 servings · $0.17/servingBuy on iHerb · $5.24
13348Glucosamine Chondroitin Complex plus MSM60/10021st CenturyGlucosamine Chondroitin Complex plus MSMtablet · 60 servings · $0.38/servingBuy on iHerb · $22.99
13349Black Elderberry Syrup60/100Gaia HerbsBlack Elderberry Syrupliquid · 32 servings · $1.05/servingBuy on iHerb · $33.74
13350Niacin 50 mg60/100CarlsonNiacin 50 mgtablet · 100 servings · $0.08/servingBuy on iHerb · $7.57
13351B-1 100 mg60/100Source NaturalsB-1 100 mgtablet · 30 servings · $0.22/servingBuy on iHerb · $6.57
13352Organic Black Seed Oil60/100Nature's WayOrganic Black Seed Oilliquid · 47 servings · $0.64/servingBuy on iHerb · $29.99
13353Coconut Oil Extra Virgin Organic60/100Nature's WayCoconut Oil Extra Virgin Organicother · 32 servings · $0.42/servingBuy on iHerb · $13.43
13354Wild Alaskan Fish Oil Peak EPA60/100Wiley's FinestWild Alaskan Fish Oil Peak EPAsoftgel · 120 servings · $0.59/servingBuy on iHerb · $71.19
13355Baby Grow + Thrive60/100Culturelle BabyBaby Grow + Thriveliquid · 30 servings · $0.88/servingBuy on iHerb · $26.25
13356Water Balance Factors60/100MNP Michael's Naturopathic ProgramsWater Balance Factorstablet · 40 servings · $1.05/servingBuy on iHerb · $41.99
13357Marine Collagen60/100Vital NutrientsMarine Collagenpowder · 30 servings · $1.50/servingBuy on iHerb · $44.99
13358Borage Oil60/100Nature's WayBorage Oilsoftgel · 30 servings · $0.69/servingBuy on iHerb · $20.68
13359Hydrolyzed Collagen + Probiotics Dark Chocolate Flavor60/100Divine HealthHydrolyzed Collagen + Probiotics Dark Chocolate Flavorpowder · 30 servings · $1.70/servingBuy on iHerb · $51.02
13360PM60/100Life ExtensionPMtablet · 30 servings · $1.10/servingBuy on iHerb · $33.00
13361MCT Oil Unflavored60/100Garden of Life Dr. Formulated Brain HealthMCT Oil Unflavoredliquid · 32 servings · $1.03/servingBuy on iHerb · $32.92
13362Organic Fiber Unflavored60/100Garden of Life Dr. FormulatedOrganic Fiber Unflavoredpowder · 32 servings · $0.50/servingBuy on iHerb · $16.09
13363Keto Coffee Hazelnut Flavor60/100Rapid FireKeto Coffee Hazelnut Flavorpowder · 15 servings · $1.24/servingBuy on iHerb · $18.57
13364AllWhey Classic Chocolate60/100ALLMAX NUTRITIONAllWhey Classic Chocolatepowder · 53 servings · $2.71/servingBuy on iHerb · $143.41
13365Psyllium Husks Caps60/100Yerba PrimaPsyllium Husks Capscapsule · 45 servings · $0.42/servingBuy on iHerb · $18.99
13366MCT OIL Unflavored60/100SR Sports ResearchMCT OIL Unflavoredliquid · 63 servings · $0.52/servingBuy on iHerb · $32.97
13367Evening Primrose Max Strength60/100Nature's WayEvening Primrose Max Strengthsoftgel · 30 servings · $0.39/servingBuy on iHerb · $11.79
13368Masonatal60/100Mason NaturalMasonataltablet · 100 servings · $0.09/servingBuy on iHerb · $8.72

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.