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

13225Calm Child 440 mg61/100Planetary HerbalsCalm Child 440 mgtablet · 75 servings · $0.22/servingBuy on iHerb · $16.63
13226Full Spectrum Horse Chestnut 300 mg61/100Planetary HerbalsFull Spectrum Horse Chestnut 300 mgtablet · 120 servings · $0.13/servingBuy on iHerb · $16.08
13227Full Spectrum Rhodiola Rosea Extract 327 mg61/100Planetary HerbalsFull Spectrum Rhodiola Rosea Extract 327 mgtablet · 30 servings · $0.34/servingBuy on iHerb · $10.05
13228Freeze-Dried Stinging Nettles 420 mg61/100Planetary HerbalsFreeze-Dried Stinging Nettles 420 mgtablet · 120 servings · $0.18/servingBuy on iHerb · $22.05
13229DGL61/100Planetary HerbalsDGLtablet · 200 servings · $0.10/servingBuy on iHerb · $20.11
13230Full Spectrum Chaga 1,000 mg61/100Planetary HerbalsFull Spectrum Chaga 1,000 mgtablet · 60 servings · $0.30/servingBuy on iHerb · $17.85
13231Bitter Melon 500 mg61/100Planetary HerbalsBitter Melon 500 mgcapsule · 30 servings · $0.25/servingBuy on iHerb · $7.57
13232Flaxseed Oil & Lignan61/100Lake Avenue NutritionFlaxseed Oil & Lignansoftgel · 120 servings · $0.14/servingBuy on iHerb · $17.18
13233N-Acetyl Cysteine61/100Source NaturalsN-Acetyl Cysteinetablet · 120 servings · $0.22/servingBuy on iHerb · $25.84
13234Guarana Energizer 900 mg61/100Source NaturalsGuarana Energizer 900 mgtablet · 200 servings · $0.15/servingBuy on iHerb · $30.09
13235C-100061/100Source NaturalsC-1000tablet · 100 servings · $0.12/servingBuy on iHerb · $11.96
13236Swedish Flower Pollen61/100Source NaturalsSwedish Flower Pollentablet · 30 servings · $0.57/servingBuy on iHerb · $17.15
13237Lactase Digest61/100Source NaturalsLactase Digestcapsule · 60 servings · $0.36/servingBuy on iHerb · $21.81
13238Magnesium Ascorbate 1000 mg61/100Source NaturalsMagnesium Ascorbate 1000 mgtablet · 120 servings · $0.18/servingBuy on iHerb · $22.09
13239Melatonin 2.5 mg Orange Flavor61/100Source Naturals Sleep ScienceMelatonin 2.5 mg Orange Flavorlozenge · 240 servings · $0.09/servingBuy on iHerb · $22.75
13240Melatonin 2.0 mg61/100Source Naturals Sleep ScienceMelatonin 2.0 mgtablet · 240 servings · $0.09/servingBuy on iHerb · $22.75
13241Potassium Iodide 32.5 mg61/100Source NaturalsPotassium Iodide 32.5 mgtablet · 120 servings · $0.15/servingBuy on iHerb · $17.97
13242Melatonin 1.0 mg61/100Source Naturals Sleep ScienceMelatonin 1.0 mgtablet · 100 servings · $0.06/servingBuy on iHerb · $6.29
13243Vegan True MethylCobalamin Vitamin B-12 1 mg Cherry-Flavored61/100Source NaturalsVegan True MethylCobalamin Vitamin B-12 1 mg Cherry-Flavoredlozenge · 60 servings · $0.14/servingBuy on iHerb · $8.23
13244Pantothenic Acid 250 mg61/100Source NaturalsPantothenic Acid 250 mgtablet · 250 servings · $0.08/servingBuy on iHerb · $21.12
13245Pregnenolone 25 mg61/100Source NaturalsPregnenolone 25 mgtablet · 120 servings · $0.13/servingBuy on iHerb · $15.87
13246Pregnenolone 50 mg61/100Source NaturalsPregnenolone 50 mgtablet · 120 servings · $0.18/servingBuy on iHerb · $21.77
13247Policosanol 10 mg61/100Source NaturalsPolicosanol 10 mgtablet · 30 servings · $0.28/servingBuy on iHerb · $8.39
13248Extra Strength B12 2500 mcg61/100Nature MadeExtra Strength B12 2500 mcgtablet · 60 servings · $0.23/servingBuy on iHerb · $13.90

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.