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

1705Cal/Mag/Vit D3 with Vitamin K2 Vanilla Flavored80/100Nature's PlusCal/Mag/Vit D3 with Vitamin K2 Vanilla Flavoredtablet · 15 servings · $1.16/servingBuy on iHerb · $17.38
1706B-12 Liposomal Spray80/100NOWB-12 Liposomal Sprayliquid · 80 servings · $0.15/servingBuy on iHerb · $12.23
1707Maca 500 mg80/100Swanson Premium BrandMaca 500 mgcapsule · 50 servings · $0.25/servingBuy on iHerb · $12.69
1708Full Spectrum Saffron Whole Ground Stigmas 15 mg80/100Swanson Premium BrandFull Spectrum Saffron Whole Ground Stigmas 15 mgcapsule · 30 servings · $0.49/servingBuy on iHerb · $14.82
1709Barberry80/100NutraMedixBarberryliquid · 20 servings · $1.83/servingBuy on iHerb · $36.70
1710L-Glutamine Powder80/100Thorne ResearchL-Glutamine Powderpowder · 89 servings · $0.75/servingBuy on iHerb · $67.00
1711Formula SF72280/100Thorne ResearchFormula SF722softgel · 50 servings · $0.96/servingBuy on iHerb · $48.00
1712Memoractiv80/100Thorne ResearchMemoractivcapsule · 30 servings · $2.33/servingBuy on iHerb · $70.00
1713Sacro-B80/100Thorne ResearchSacro-Bcapsule · 30 servings · $1.43/servingBuy on iHerb · $43.00
1714PharmaGABA-10080/100Thorne ResearchPharmaGABA-100capsule · 30 servings · $1.13/servingBuy on iHerb · $34.00
1715PharmaGABA-25080/100Thorne ResearchPharmaGABA-250capsule · 30 servings · $1.97/servingBuy on iHerb · $59.00
1716Super Natural Boron 3 mg80/100Vibrant HealthSuper Natural Boron 3 mgcapsule · 60 servings · $0.29/servingBuy on iHerb · $17.50
1717Astragalus Root Alcohol-Free80/100Nature's AnswerAstragalus Root Alcohol-Freeliquid · 15 servings · $0.85/servingBuy on iHerb · $12.74
1718Dandelion Root Alcohol-Free80/100Nature's AnswerDandelion Root Alcohol-Freeliquid · 15 servings · $0.90/servingBuy on iHerb · $13.49
1719Ginseng Alcohol-Free80/100Nature's AnswerGinseng Alcohol-Freeliquid · 15 servings · $1.30/servingBuy on iHerb · $19.49
1720Oil of Oregano Alcohol-Free80/100Nature's AnswerOil of Oregano Alcohol-Freeliquid · 176 servings · $0.14/servingBuy on iHerb · $25.49
1721Uva Ursi Leaf80/100Nature's AnswerUva Ursi Leafliquid · 15 servings · $0.75/servingBuy on iHerb · $11.24
1722Slippery Elm Inner Bark80/100Nature's AnswerSlippery Elm Inner Barkliquid · 30 servings · $0.57/servingBuy on iHerb · $17.24
1723Milk Thistle Seed Alcohol-Free80/100Nature's AnswerMilk Thistle Seed Alcohol-Freeliquid · 15 servings · $0.87/servingBuy on iHerb · $13.12
1724Hawthorne Berry, Leaf & Flower Alcohol-Free80/100Nature's AnswerHawthorne Berry, Leaf & Flower Alcohol-Freeliquid · 15 servings · $0.85/servingBuy on iHerb · $12.74
1725Calendula Flower80/100Nature's AnswerCalendula Flowerliquid · 15 servings · $0.70/servingBuy on iHerb · $10.49
1726Burdock Root Alcohol-Free80/100Nature's AnswerBurdock Root Alcohol-Freeliquid · 15 servings · $0.75/servingBuy on iHerb · $11.24
1727Standardized Extract Milk Thistle 250 mg80/100Nature's BountyStandardized Extract Milk Thistle 250 mgcapsule · 30 servings · $0.93/servingBuy on iHerb · $28.02
1728Poly-Vi-Sol80/100EnfamilPoly-Vi-Solliquid · 30 servings · $0.51/servingBuy on iHerb · $15.15

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.