Supplement Ratings

iHerb picks

Best B Vitamins 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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Top ratedBest value

486 picks in b vitamins, highest score first

241Vitamin B2 100 mg67/100BluebonnetVitamin B2 100 mgcapsule · 30 servings · $0.55/servingBuy on iHerb · $16.40
242Vitamin B6 200 mg67/100BluebonnetVitamin B6 200 mgcapsule · 30 servings · $0.53/servingBuy on iHerb · $15.92
243Liquid CellularActive Methylcobalamin Vitamin B12 1000 mcg Natural Raspberry Flavor67/100BluebonnetLiquid CellularActive Methylcobalamin Vitamin B12 1000 mcg Natural Raspberry Flavorliquid · 59 servings · $0.34/servingBuy on iHerb · $19.96
244Liquid CellularActive Methylcobalamin Vitamin B12 5000 mcg Natural Raspberry Flavor67/100BluebonnetLiquid CellularActive Methylcobalamin Vitamin B12 5000 mcg Natural Raspberry Flavorliquid · 59 servings · $0.53/servingBuy on iHerb · $31.16
245B-12 500 mcg67/100Pure VeganB-12 500 mcgliquid · 175 servings · $0.11/servingBuy on iHerb · $19.95
246Niacinamide67/100ThorneNiacinamidecapsule · 30 servings · $0.87/servingBuy on iHerb · $26.00
247Vitamin B6 100 mg67/100Vital NutrientsVitamin B6 100 mgcapsule · 100 servings · $0.19/servingBuy on iHerb · $18.89
248Adenosyl/Hydroxy B1267/100Pure EncapsulationsAdenosyl/Hydroxy B12capsule · 90 servings · $0.34/servingBuy on iHerb · $31.00
249Methylcobalamin 1,000 mcg67/100Pure EncapsulationsMethylcobalamin 1,000 mcgcapsule · 180 servings · $0.28/servingBuy on iHerb · $49.50
250R-5-P Coenzymated Vitamin B-2 50 mg67/100Swanson UltraR-5-P Coenzymated Vitamin B-2 50 mgcapsule · 30 servings · $0.48/servingBuy on iHerb · $14.49
251High Potency Folic Acid Hearts67/100Nature's PlusHigh Potency Folic Acid Heartstablet · 30 servings · $0.31/servingBuy on iHerb · $9.31
252B12 Adenosylcobalamin 3000 mcg with Folic Acid67/100NutriCologyB12 Adenosylcobalamin 3000 mcg with Folic Acidlozenge · 60 servings · $0.39/servingBuy on iHerb · $23.49
253Riboflavin 100 mg67/100SwansonRiboflavin 100 mgcapsule · 30 servings · $0.38/servingBuy on iHerb · $11.42
254B-6 Pyridoxine 100 mg67/100SwansonB-6 Pyridoxine 100 mgcapsule · 30 servings · $0.53/servingBuy on iHerb · $15.99
255B-12 500 mcg67/100SwansonB-12 500 mcgcapsule · 30 servings · $0.27/servingBuy on iHerb · $7.99
256Fully Active B12 1500 mcg67/100Doctor's BestFully Active B12 1500 mcgcapsule · 60 servings · $0.15/servingBuy on iHerb · $9.26
257Methyl Folate 5,000 mcg67/100NOWMethyl Folate 5,000 mcgcapsule · 30 servings · $0.90/servingBuy on iHerb · $26.93
258B-12 5000 mcg67/10021st CenturyB-12 5000 mcgtablet · 30 servings · $0.42/servingBuy on iHerb · $12.49
259Niacinamide 500 mg67/100SolarayNiacinamide 500 mgcapsule · 30 servings · $0.38/servingBuy on iHerb · $11.29
260Hydroxy B12 - 1 mg67/100AOR Advanced Orthomolecular Research PremiumHydroxy B12 - 1 mglozenge · 60 servings · $0.37/servingBuy on iHerb · $21.96
261Vitamin B6 100 mg67/100Natural FactorsVitamin B6 100 mgtablet · 30 servings · $0.26/servingBuy on iHerb · $7.90
262B12 Methylcobalamin 10,000 mcg Cherry Flavor67/100Natural FactorsB12 Methylcobalamin 10,000 mcg Cherry Flavortablet · 30 servings · $0.44/servingBuy on iHerb · $13.27
263Methylfolate 1,333 mcg DFE (800 mcg (6S)-5-Methyltetrahydrofolate) Orange Flavor67/100Country LifeMethylfolate 1,333 mcg DFE (800 mcg (6S)-5-Methyltetrahydrofolate) Orange Flavorchewable · 30 servings · $0.58/servingBuy on iHerb · $17.39
264B12 500 mcg67/100Life ExtensionB12 500 mcglozenge · 30 servings · $0.23/servingBuy on iHerb · $6.75

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. See the full Best B Vitamins 2026 ranking.