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

13129Biotin 10,000 mcg62/100Nature's Bounty Optimal SolutionsBiotin 10,000 mcgsoftgel · 30 servings · $0.46/servingBuy on iHerb · $13.72
13130TMG Trimethylglycine 750 mg62/100Source NaturalsTMG Trimethylglycine 750 mgtablet · 30 servings · $0.26/servingBuy on iHerb · $7.88
13131Lecithin, Kelp, B-6 & Cider Vinegar62/100Swanson Best Weight-Control FormulasLecithin, Kelp, B-6 & Cider Vinegartablet · 120 servings · $0.07/servingBuy on iHerb · $8.35
13132Potassium Complex 99 mg62/100Nature's WayPotassium Complex 99 mgcapsule · 30 servings · $0.20/servingBuy on iHerb · $6.06
13133Liver Detox61/100Protocol For Life BalanceLiver Detoxcapsule · 30 servings · $0.96/servingBuy on iHerb · $28.84
13134D-Mannose 500 mg61/100Protocol For Life BalanceD-Mannose 500 mgcapsule · 30 servings · $1.16/servingBuy on iHerb · $34.65
13135Apple Cider Vinegar 300 mg61/10021st CenturyApple Cider Vinegar 300 mgtablet · 250 servings · $0.03/servingBuy on iHerb · $7.99
13136Best Glucosamine Sulfate61/100Doctor's BestBest Glucosamine Sulfatecapsule · 180 servings · $0.08/servingBuy on iHerb · $14.99
13137Cinnamon Bark 600 mg61/100NOWCinnamon Bark 600 mgcapsule · 60 servings · $0.18/servingBuy on iHerb · $10.77
13138High Potency Biotin 5 mg61/100Country LifeHigh Potency Biotin 5 mgcapsule · 30 servings · $0.46/servingBuy on iHerb · $13.79
13139Dandelion Root 500 mg61/100NOWDandelion Root 500 mgcapsule · 50 servings · $0.14/servingBuy on iHerb · $7.00
13140Liver Detoxifier & Regenerator61/100NOWLiver Detoxifier & Regeneratorcapsule · 30 servings · $0.52/servingBuy on iHerb · $15.45
13141D-Mannose 500 mg61/100NOWD-Mannose 500 mgcapsule · 40 servings · $0.42/servingBuy on iHerb · $16.76
13142B-12 2,000 mcg61/100NOWB-12 2,000 mcglozenge · 30 servings · $0.33/servingBuy on iHerb · $9.99
13143Vitamin B6 100 mg61/100Country LifeVitamin B6 100 mgtablet · 30 servings · $0.49/servingBuy on iHerb · $14.79
13144Vitamin B12 1000 mcg61/100Country LifeVitamin B12 1000 mcgtablet · 30 servings · $0.45/servingBuy on iHerb · $13.49
13145Niacin 500 mg Vitamin B-361/100NOWNiacin 500 mg Vitamin B-3capsule · 30 servings · $0.24/servingBuy on iHerb · $7.33
13146Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mg61/100Source NaturalsAcetyl L-Carnitine & Alpha-Lipoic Acid 650 mgtablet · 30 servings · $0.82/servingBuy on iHerb · $24.53
13147Vitamin B-1 100 mg61/100Swanson Premium BrandVitamin B-1 100 mgcapsule · 30 servings · $0.66/servingBuy on iHerb · $19.89
13148Calcium (Carbonate, Aspartate & Citrate) 500 mg61/100Swanson Premium BrandCalcium (Carbonate, Aspartate & Citrate) 500 mgtablet · 30 servings · $0.21/servingBuy on iHerb · $6.39
131495-HTP 200 mg Time Release61/100Natrol5-HTP 200 mg Time Releasetablet · 30 servings · $0.72/servingBuy on iHerb · $21.66
131505-HTP 100 mg61/100Natrol5-HTP 100 mgtablet · 45 servings · $0.40/servingBuy on iHerb · $17.84
13151Albion Chelated Manganese 40 mg61/100Swanson UltraAlbion Chelated Manganese 40 mgcapsule · 30 servings · $0.42/servingBuy on iHerb · $12.69
13152Albion Chelated Magnesium 133 mg61/100Swanson UltraAlbion Chelated Magnesium 133 mgcapsule · 30 servings · $0.37/servingBuy on iHerb · $11.09

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.