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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AllAshwagandha & AdaptogensB VitaminsBiotinCalciumCollagenCoQ10CreatineGreens & SuperfoodsIronMagnesiumMelatonin & SleepMultivitaminsOmega-3 & Fish OilPre-WorkoutProbioticsProtein SupplementsTurmeric & CurcuminVitamin CVitamin DZinc
Top ratedBest value

486 picks in b vitamins, highest score first

313B-12 6,000 mcg65/100Bio NutritionB-12 6,000 mcgchewable · 30 servings · $0.42/servingBuy on iHerb · $12.65
314Vitamin B-6 50 mg65/100Nature's WayVitamin B-6 50 mgcapsule · 30 servings · $0.31/servingBuy on iHerb · $9.19
315Niacin 500 mg65/10021st CenturyNiacin 500 mgtablet · 30 servings · $0.31/servingBuy on iHerb · $9.44
316Folic Acid B6 & B1265/100Mason NaturalFolic Acid B6 & B12tablet · 30 servings · $0.19/servingBuy on iHerb · $5.78
317B12 Methylcobalamin 1000 mcg65/100Natural FactorsB12 Methylcobalamin 1000 mcgtablet · 30 servings · $0.35/servingBuy on iHerb · $10.47
318B12 Methylcobalamin 5000 mcg65/100Natural FactorsB12 Methylcobalamin 5000 mcgtablet · 30 servings · $0.51/servingBuy on iHerb · $15.37
319Vitamin B1 100 mg65/100NutricostVitamin B1 100 mgcapsule · 120 servings · $0.08/servingBuy on iHerb · $10.00
320Vitamin B2 100 mg65/100NutricostVitamin B2 100 mgcapsule · 120 servings · $0.08/servingBuy on iHerb · $10.00
321Methyl Folate65/100Douglas LaboratoriesMethyl Folatetablet · 60 servings · $0.44/servingBuy on iHerb · $26.25
322Optimized Folate L-Methylfolate 1700 mcg DFE65/100Life ExtensionOptimized Folate L-Methylfolate 1700 mcg DFEtablet · 30 servings · $0.38/servingBuy on iHerb · $11.25
323Sublingual Liquid B-12 5000 mcg65/100Nature's BountySublingual Liquid B-12 5000 mcgliquid · 59 servings · $0.20/servingBuy on iHerb · $12.00
324Niacinamide 500 mg65/100Nature's WayNiacinamide 500 mgcapsule · 100 servings · $0.10/servingBuy on iHerb · $9.99
325Methylcobalamin Concentrated Powder65/100KirkmanMethylcobalamin Concentrated Powderpowder · 98 servings · $0.41/servingBuy on iHerb · $40.43
326Riboflavin Vitamin B2 100 mg65/100Nature's WayRiboflavin Vitamin B2 100 mgcapsule · 100 servings · $0.09/servingBuy on iHerb · $9.19
327Vitamin B-1 100 mg Thiamin HCl65/100Nature's WayVitamin B-1 100 mg Thiamin HClcapsule · 100 servings · $0.10/servingBuy on iHerb · $9.99
328Niacinamide B-3 100 mg65/100Source NaturalsNiacinamide B-3 100 mgtablet · 250 servings · $0.04/servingBuy on iHerb · $10.56
329Vitamin B12 as Methylcobalamin65/100ThorneVitamin B12 as Methylcobalamincapsule · 60 servings · $0.40/servingBuy on iHerb · $24.00
330Niacin 100 mg65/100NaturesPlusNiacin 100 mgtablet · 90 servings · $0.10/servingBuy on iHerb · $8.88
331Niacin 500 mg Flush Free65/100Nature's TruthNiacin 500 mg Flush Freecapsule · 100 servings · $0.15/servingBuy on iHerb · $14.69
332Folic Acid & B1265/100SwansonFolic Acid & B12capsule · 30 servings · $0.14/servingBuy on iHerb · $4.09
333Folic Acid 800 mcg65/100NOWFolic Acid 800 mcgtablet · 250 servings · $0.02/servingBuy on iHerb · $6.11
334B12 Elite65/100Life ExtensionB12 Elitelozenge · 60 servings · $0.14/servingBuy on iHerb · $8.25
335Vitamin B-1 100 mg High Potency Thiamin HCl65/100Nature's WayVitamin B-1 100 mg High Potency Thiamin HClcapsule · 100 servings · $0.10/servingBuy on iHerb · $9.99
336B1265/100Natural FactorsB12tablet · 30 servings · $0.58/servingBuy on iHerb · $17.47

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.