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

Highest score first

11425Beta Carotene (Vitamin A)67/100Swanson Premium BrandBeta Carotene (Vitamin A)softgel · 30 servings · $0.67/servingBuy on iHerb · $20.09
11426Riboflavin (Vitamin B-2) 100 mg67/100Swanson Premium BrandRiboflavin (Vitamin B-2) 100 mgcapsule · 30 servings · $0.38/servingBuy on iHerb · $11.42
11427Vitamin B-6 (Pyridoxine) 100 mg67/100Swanson Premium BrandVitamin B-6 (Pyridoxine) 100 mgcapsule · 30 servings · $0.36/servingBuy on iHerb · $10.79
11428Vitamin B-12 500 mcg67/100Swanson Premium BrandVitamin B-12 500 mcgcapsule · 30 servings · $0.44/servingBuy on iHerb · $13.19
11429Natural Vitamin E (268.5 mg)67/100Swanson Premium BrandNatural Vitamin E (268.5 mg)softgel · 30 servings · $0.44/servingBuy on iHerb · $13.19
11430Biotin 5,000 mcg67/100Swanson Premium BrandBiotin 5,000 mcgcapsule · 30 servings · $0.36/servingBuy on iHerb · $10.79
11431Natural Vitamin E 1,000 IU (671.1 mg)67/100Swanson Premium BrandNatural Vitamin E 1,000 IU (671.1 mg)softgel · 30 servings · $0.85/servingBuy on iHerb · $25.39
11432Bronchial Clear Liquid67/100Terry NaturallyBronchial Clear Liquidliquid · 20 servings · $1.36/servingBuy on iHerb · $27.16
11433Potassium Aspartate67/100Swanson Premium BrandPotassium Aspartatecapsule · 30 servings · $0.27/servingBuy on iHerb · $8.18
11434Super Strength Biotin 10,000 mcg67/100Swanson Premium BrandSuper Strength Biotin 10,000 mcgsoftgel · 30 servings · $0.42/servingBuy on iHerb · $12.49
11435P-5-P (Pyridoxal-5-Phosphate) Coenzymated Vitamin B-667/100Swanson Premium BrandP-5-P (Pyridoxal-5-Phosphate) Coenzymated Vitamin B-6capsule · 30 servings · $0.37/servingBuy on iHerb · $11.09
11436Prebiotic67/100SwansonPrebioticcapsule · 60 servings · $0.31/servingBuy on iHerb · $18.39
11437Niacin 100 mg67/100Swanson Premium BrandNiacin 100 mgtablet · 30 servings · $0.42/servingBuy on iHerb · $12.49
11438Double Strength P-5-P (Pyridoxal-5-Phosphate) Coenzymated B-667/100Swanson UltraDouble Strength P-5-P (Pyridoxal-5-Phosphate) Coenzymated B-6capsule · 30 servings · $0.37/servingBuy on iHerb · $11.09
11439Calcium Citrate Complex67/100Swanson Premium BrandCalcium Citrate Complexcapsule · 150 servings · $0.16/servingBuy on iHerb · $24.19
11440Melatonin 10 mg67/100OL Olympian LabsMelatonin 10 mgtablet · 60 servings · $0.14/servingBuy on iHerb · $8.57
11441Higher Potency Vitamin D-3 2,000 IU (50 mcg)67/100Swanson Premium BrandHigher Potency Vitamin D-3 2,000 IU (50 mcg)capsule · 30 servings · $0.40/servingBuy on iHerb · $11.99
11442Lipo6 Black Hers Ultra Concentrate67/100Nutrex Research Black SeriesLipo6 Black Hers Ultra Concentratecapsule · 60 servings · $0.42/servingBuy on iHerb · $24.99
11443100% Pure Vitamin C Powder67/100Swanson Premium Brand100% Pure Vitamin C Powderpowder · 454 servings · $0.05/servingBuy on iHerb · $21.29
11444Boneology67/100Swanson Premium BrandBoneologycapsule · 30 servings · $0.62/servingBuy on iHerb · $18.59
11445Tri-Iodine 25 mg67/100Terry NaturallyTri-Iodine 25 mgcapsule · 30 servings · $0.76/servingBuy on iHerb · $22.91
11446Albion Complexed Potassium 99 mg67/100Swanson UltraAlbion Complexed Potassium 99 mgcapsule · 30 servings · $0.30/servingBuy on iHerb · $8.91
11447SelenoExcell 200 mcg67/100Swanson UltraSelenoExcell 200 mcgcapsule · 30 servings · $0.18/servingBuy on iHerb · $5.39
11448Tri-Iodine 3 mg67/100Terry NaturallyTri-Iodine 3 mgcapsule · 90 servings · $0.27/servingBuy on iHerb · $24.61

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.