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

13105Colostrum Plus Chewables Pineapple62/100SymbioticsColostrum Plus Chewables Pineapplechewable · 60 servings · $0.40/servingBuy on iHerb · $23.99
13106Colostrum Plus Chewables Wild Cherry62/100SymbioticsColostrum Plus Chewables Wild Cherrychewable · 60 servings · $0.40/servingBuy on iHerb · $23.99
13107Colostrum Plus Chewables Orange Creme62/100SymbioticsColostrum Plus Chewables Orange Cremechewable · 60 servings · $0.40/servingBuy on iHerb · $23.99
13108Maximum Vibrance Chocolate62/100Vibrant HealthMaximum Vibrance Chocolatepowder · 15 servings · $5.28/servingBuy on iHerb · $79.20
13109Papaya Digestive Support Pineapple Papaya62/100Country LifePapaya Digestive Support Pineapple Papayachewable · 50 servings · $0.32/servingBuy on iHerb · $15.79
13110Super High Potency 10,000 mg62/100SolgarSuper High Potency 10,000 mgcapsule · 30 servings · $0.56/servingBuy on iHerb · $16.79
13111Natural Vitamin D3 1000 IU62/100SolgarNatural Vitamin D3 1000 IUtablet · 30 servings · $0.35/servingBuy on iHerb · $10.42
13112Vitamin B12 1000 mcg62/100SolgarVitamin B12 1000 mcgother · 30 servings · $0.36/servingBuy on iHerb · $10.80
13113Vitamin B 12 1000 mcg62/100SolgarVitamin B 12 1000 mcgother · 30 servings · $0.82/servingBuy on iHerb · $24.64
13114Ultra Strength Biotin 10,000 mcg62/100Nature's BountyUltra Strength Biotin 10,000 mcgsoftgel · 30 servings · $0.47/servingBuy on iHerb · $14.10
13115Sublingual Vitamin B12 5000 mcg62/100SolgarSublingual Vitamin B12 5000 mcgother · 30 servings · $0.35/servingBuy on iHerb · $10.49
13116Vitamin B2 100 mg62/100SolgarVitamin B2 100 mgcapsule · 30 servings · $0.33/servingBuy on iHerb · $9.88
13117Vitamin D3 1000 IU Chewable Tablets Natural Strawberry Banana Swirl Flavor62/100SolgarVitamin D3 1000 IU Chewable Tablets Natural Strawberry Banana Swirl Flavortablet · 30 servings · $0.28/servingBuy on iHerb · $8.32
13118Folate 1000 mcg (As Metafolin)62/100SolgarFolate 1000 mcg (As Metafolin)tablet · 30 servings · $0.80/servingBuy on iHerb · $23.87
13119Vitamin B-12 500 mcg62/100Nature's PlusVitamin B-12 500 mcgtablet · 30 servings · $0.44/servingBuy on iHerb · $13.13
13120Vitamin K2 MK-4 (Menatetrenone)62/100CarlsonVitamin K2 MK-4 (Menatetrenone)capsule · 30 servings · $0.71/servingBuy on iHerb · $21.17
13121Green Vibrance + 25 Billion Probiotics62/100Vibrant HealthGreen Vibrance + 25 Billion Probioticscapsule · 15 servings · $3.44/servingBuy on iHerb · $51.63
13122Vitamin D 5,000 IU With Sea Iodine62/100Life ExtensionVitamin D 5,000 IU With Sea Iodinecapsule · 30 servings · $0.35/servingBuy on iHerb · $10.50
13123True-Mass Chocolate Milk Shake62/100BSNTrue-Mass Chocolate Milk Shakepowder · 18 servings · $4.68/servingBuy on iHerb · $84.16
13124Glucosamine Sulfate62/100Doctor's BestGlucosamine Sulfatecapsule · 90 servings · $0.17/servingBuy on iHerb · $14.99
13125Clinical Strength Biotin 10 mg62/100Nature's PlusClinical Strength Biotin 10 mgtablet · 90 servings · $0.13/servingBuy on iHerb · $11.86
131265-HTP 100 mg Wild Berry Flavor62/100Natrol5-HTP 100 mg Wild Berry Flavortablet · 30 servings · $0.55/servingBuy on iHerb · $16.37
13127L-Phenylalanine62/100Source NaturalsL-Phenylalaninetablet · 50 servings · $0.19/servingBuy on iHerb · $9.38
13128Super High Potency Biotin 10,000 mcg62/100SolgarSuper High Potency Biotin 10,000 mcgcapsule · 30 servings · $0.77/servingBuy on iHerb · $23.17

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.