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

10105L-Methylfolate 5 mg70/100Metabolic MaintenanceL-Methylfolate 5 mgcapsule · 90 servings · $0.58/servingBuy on iHerb · $52.50
10106L-Methylfolate 10 mg70/100Metabolic MaintenanceL-Methylfolate 10 mgcapsule · 90 servings · $0.73/servingBuy on iHerb · $66.15
10107SAMe 200 mg70/100Metabolic MaintenanceSAMe 200 mgcapsule · 30 servings · $2.33/servingBuy on iHerb · $70.00
10108Vitamin D-3 2,000 IU70/100Metabolic MaintenanceVitamin D-3 2,000 IUcapsule · 120 servings · $0.22/servingBuy on iHerb · $26.00
10109NERVEsustain70/100Metabolic MaintenanceNERVEsustaincapsule · 30 servings · $2.00/servingBuy on iHerb · $60.00
10110MagTech Magnesium Lemonade70/100NS Natural StacksMagTech Magnesium Lemonadepowder · 20 servings · $2.36/servingBuy on iHerb · $47.20
10111Metamucil Fiber Gummies Orange70/100MetamucilMetamucil Fiber Gummies Orangegummy · 30 servings · $0.77/servingBuy on iHerb · $23.23
10112L-Methylfolate 15 mg70/100Metabolic MaintenanceL-Methylfolate 15 mgcapsule · 60 servings · $1.00/servingBuy on iHerb · $59.85
10113Vitamin D3 50 mcg (2,000 IU)70/100California Gold NutritionVitamin D3 50 mcg (2,000 IU)softgel · 90 servings · $0.05/servingBuy on iHerb · $4.92
10114Liver Guard70/100Source NaturalsLiver Guardtablet · 60 servings · $0.76/servingBuy on iHerb · $45.79
10115Malic Acid 2,500 mg70/100Source NaturalsMalic Acid 2,500 mgtablet · 40 servings · $0.28/servingBuy on iHerb · $11.39
10116Melatonin 3.0 mg70/100Source NaturalsMelatonin 3.0 mgtablet · 60 servings · $0.10/servingBuy on iHerb · $6.13
10117Melatonin 3.0 mg70/100Source Naturals Sleep ScienceMelatonin 3.0 mgtablet · 240 servings · $0.09/servingBuy on iHerb · $22.05
10118Phase 2 Carbohydrate Blocker 500 mg70/100Source NaturalsPhase 2 Carbohydrate Blocker 500 mgtablet · 30 servings · $0.55/servingBuy on iHerb · $16.38
10119Vitamin D3 125 mcg (5,000 IU)70/100California Gold NutritionVitamin D3 125 mcg (5,000 IU)softgel · 90 servings · $0.07/servingBuy on iHerb · $6.07
10120Royal Maca Superfood70/100Whole World BotanicalsRoyal Maca Superfoodpowder · 210 servings · $0.11/servingBuy on iHerb · $24.04
10121Selenium70/100TriquetraSeleniumliquid · 300 servings · $0.07/servingBuy on iHerb · $21.97
10122Copper 3 mg70/100NutraBioCopper 3 mgcapsule · 90 servings · $0.17/servingBuy on iHerb · $14.99
10123Vitamin C 1000 mg70/100NutraBioVitamin C 1000 mgcapsule · 120 servings · $0.14/servingBuy on iHerb · $16.79
10124Vitamin D3 50 mcg (2000 IU)70/100BluebonnetVitamin D3 50 mcg (2000 IU)softgel · 250 servings · $0.08/servingBuy on iHerb · $19.60
10125Vitamin A 3000 mcg (10,000 IU)70/100BluebonnetVitamin A 3000 mcg (10,000 IU)softgel · 100 servings · $0.08/servingBuy on iHerb · $8.40
10126Vitamin D3 125 mcg (5000 IU)70/100BluebonnetVitamin D3 125 mcg (5000 IU)softgel · 100 servings · $0.12/servingBuy on iHerb · $11.96
10127Vegan Hyabest Hyaluronic Acid 120 mg70/100Natural FactorsVegan Hyabest Hyaluronic Acid 120 mgcapsule · 60 servings · $0.61/servingBuy on iHerb · $36.72
10128Olive Leaf70/100Kroeger Herb Products Co.Olive Leafcapsule · 25 servings · $0.49/servingBuy on iHerb · $12.24

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.