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

AllAmino AcidsAntioxidants & LongevityAshwagandha & AdaptogensB VitaminsBiotinBlood Sugar SupportBrain & NootropicsCalciumCollagenCoQ10CreatineDigestive HealthEye HealthGreens & SuperfoodsHeart HealthHerbs & BotanicalsHormone & Sexual HealthImmune SupportIronJoint SupportLiver & DetoxMagnesiumMelatonin & SleepMinerals & ElectrolytesMultivitaminsMushroomsOmega-3 & Fish OilPre-WorkoutProbioticsProtein SupplementsTurmeric & CurcuminUrinary HealthVitamin CVitamin DVitamins A, E & KWeight ManagementZinc
Top ratedBest value

Highest score first

2545M-S-M Sulfur 1,000 mg80/100CarlsonM-S-M Sulfur 1,000 mgcapsule · 30 servings · $1.32/servingBuy on iHerb · $39.53
2546Co-QH2 Ubiquinol 100 mg80/100CarlsonCo-QH2 Ubiquinol 100 mgsoftgel · 30 servings · $1.06/servingBuy on iHerb · $31.88
2547Folic Acid 400 mcg80/100CarlsonFolic Acid 400 mcgtablet · 30 servings · $0.42/servingBuy on iHerb · $12.67
2548Kid's Super Daily K2 22.5 mcg80/100CarlsonKid's Super Daily K2 22.5 mcgliquid · 30 servings · $0.89/servingBuy on iHerb · $26.69
2549Super Daily K2 45 mcg80/100CarlsonSuper Daily K2 45 mcgliquid · 180 servings · $0.14/servingBuy on iHerb · $25.42
2550BioCleanse Capsules80/100BioGenesis NutraceuticalsBioCleanse Capsulescapsule · 30 servings · $1.60/servingBuy on iHerb · $47.99
2551Women's Iron Restore80/100CarlsonWomen's Iron Restorecapsule · 60 servings · $0.25/servingBuy on iHerb · $14.88
2552L-Arginine Amino Acid Powder80/100CarlsonL-Arginine Amino Acid Powderpowder · 33 servings · $0.39/servingBuy on iHerb · $12.92
2553Glycine80/100CarlsonGlycinepowder · 50 servings · $0.21/servingBuy on iHerb · $10.63
2554Benfotiamine 15080/100Doctor's BestBenfotiamine 150capsule · 120 servings · $0.17/servingBuy on iHerb · $19.99
2555Benfotiamine 150 + Alpha-Lipoic Acid 30080/100Doctor's BestBenfotiamine 150 + Alpha-Lipoic Acid 300capsule · 60 servings · $0.33/servingBuy on iHerb · $19.99
2556Adaptogen Performance80/100Gaia HerbsAdaptogen Performancecapsule · 60 servings · $0.56/servingBuy on iHerb · $33.74
2557Benfotiamine 150 mg80/100Doctor's BestBenfotiamine 150 mgcapsule · 360 servings · $0.12/servingBuy on iHerb · $44.28
2558Kids Lemon Balm Calm Alcohol Free80/100Herb PharmKids Lemon Balm Calm Alcohol Freeliquid · 41 servings · $0.36/servingBuy on iHerb · $14.94
2559Wellness Essentials Healthy Balance80/100MetagenicsWellness Essentials Healthy Balancepowder · 30 servings · $3.32/servingBuy on iHerb · $99.70
2560Glutagenics80/100MetagenicsGlutagenicspowder · 60 servings · $1.43/servingBuy on iHerb · $85.95
2561Valerian Root80/100Gaia HerbsValerian Rootliquid · 23 servings · $0.78/servingBuy on iHerb · $17.90
2562Stinging Nettle Alcohol-Free80/100Herb PharmStinging Nettle Alcohol-Freeliquid · 42 servings · $0.36/servingBuy on iHerb · $15.18
2563Kava Root Extra Strength80/100Gaia HerbsKava Root Extra Strengthliquid · 45 servings · $1.14/servingBuy on iHerb · $51.14
2564L-Ornithine Powder80/100NOW SportsL-Ornithine Powderpowder · 227 servings · $0.13/servingBuy on iHerb · $29.39
2565Full Spectrum Mineral Caps80/100NOWFull Spectrum Mineral Capscapsule · 60 servings · $0.22/servingBuy on iHerb · $13.46
2566Everyday Immune80/100Gaia HerbsEveryday Immunecapsule · 60 servings · $0.63/servingBuy on iHerb · $37.79
2567D, L-Phenylalanine 500 mg80/100Life ExtensionD, L-Phenylalanine 500 mgcapsule · 30 servings · $0.47/servingBuy on iHerb · $14.25
2568Everyday Immune Mushrooms & Herbs80/100Gaia HerbsEveryday Immune Mushrooms & Herbscapsule · 60 servings · $0.63/servingBuy on iHerb · $37.79

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.