Supplement Ratings

iHerb picks

Best Vitamin D 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

425 picks in vitamin d, highest score first

25Vitamin D Organic Drops85/100Mommy's BlissVitamin D Organic Dropsliquid · 90 servings · $0.14/servingBuy on iHerb · $12.49
26Vitamin D3 25 mcg (1000 IU) & K2 120 mcg85/100Nature's AnswerVitamin D3 25 mcg (1000 IU) & K2 120 mcgliquid · 250 servings · $0.07/servingBuy on iHerb · $18.74
27Baby's Super Daily D3 400 IU (10 mcg)85/100CarlsonBaby's Super Daily D3 400 IU (10 mcg)liquid · 365 servings · $0.03/servingBuy on iHerb · $12.65
28Vitamin D3 25 mcg (1000 IU)85/100Natural Factors Whole Earth & SeaVitamin D3 25 mcg (1000 IU)capsule · 30 servings · $0.54/servingBuy on iHerb · $16.14
29Vitamin D3 25 mcg (1000 IU)85/100NaturesPlusVitamin D3 25 mcg (1000 IU)softgel · 180 servings · $0.10/servingBuy on iHerb · $17.81
30Vitamin D385/100NB PureVitamin D3liquid · 350 servings · $0.06/servingBuy on iHerb · $19.95
31Vitamin D3 (Cholecalciferol) 10 mcg (400 IU)85/100SolgarVitamin D3 (Cholecalciferol) 10 mcg (400 IU)softgel · 100 servings · $0.07/servingBuy on iHerb · $7.01
32Vitamin D + K285/100ThorneVitamin D + K2liquid · 600 servings · $0.06/servingBuy on iHerb · $34.00
33Vitamin D3 1000 IU (25 mcg)85/100NaturesPlusVitamin D3 1000 IU (25 mcg)softgel · 180 servings · $0.10/servingBuy on iHerb · $17.81
34D3 Baby Drops 400 IU85/100Nature's TruthD3 Baby Drops 400 IUliquid · 365 servings · $0.02/servingBuy on iHerb · $8.03
35Vitamin D3 25 mcg (1,000 IU)85/100CarlsonVitamin D3 25 mcg (1,000 IU)softgel · 250 servings · $0.06/servingBuy on iHerb · $15.22
36Vitamin D3 & K285/100Advanced Nutrition by ZahlerVitamin D3 & K2liquid · 447 servings · $0.05/servingBuy on iHerb · $22.72
37Liquid Vitamin D3 400 IU85/100Protocol For Life BalanceLiquid Vitamin D3 400 IUliquid · 527 servings · $0.02/servingBuy on iHerb · $11.55
38Vitamin D3 25 mcg (1,000 IU)85/100NatureWiseVitamin D3 25 mcg (1,000 IU)softgel · 360 servings · $0.03/servingBuy on iHerb · $12.54
39Vitamin D3 Drops For Kids 400 IU85/100Natural FactorsVitamin D3 Drops For Kids 400 IUliquid · 500 servings · $0.02/servingBuy on iHerb · $11.17
40Natural Vitamin D3 400 IU85/100SolgarNatural Vitamin D3 400 IUsoftgel · 30 servings · $0.23/servingBuy on iHerb · $7.01
41Vitamin D3 400 IU85/100Natural FactorsVitamin D3 400 IUliquid · 500 servings · $0.02/servingBuy on iHerb · $11.17
42Vitamin D 3 25 mcg (1000 IU)85/100SolgarVitamin D 3 25 mcg (1000 IU)softgel · 30 servings · $0.38/servingBuy on iHerb · $11.53
43Vitamin D3 400 IU85/100SolgarVitamin D3 400 IUsoftgel · 30 servings · $0.23/servingBuy on iHerb · $7.01
44Chewable D3 10 mcg (400 IU)83/10021st CenturyChewable D3 10 mcg (400 IU)tablet · 30 servings · $0.18/servingBuy on iHerb · $5.49
45Vitamin D3 25 mcg (1000 IU)83/100Natural FactorsVitamin D3 25 mcg (1000 IU)tablet · 30 servings · $0.17/servingBuy on iHerb · $5.00
46Vitamin D3 for Kids 10 mcg (400 IU)83/100Natural FactorsVitamin D3 for Kids 10 mcg (400 IU)tablet · 30 servings · $0.22/servingBuy on iHerb · $6.46
47Vitamin D3 1000 IU (25 mcg)83/100MegaFoodVitamin D3 1000 IU (25 mcg)tablet · 60 servings · $0.35/servingBuy on iHerb · $20.99
48Vitamin D3 400 IU (10 mcg) Water-Dispersible83/100NaturesPlusVitamin D3 400 IU (10 mcg) Water-Dispersibletablet · 90 servings · $0.08/servingBuy on iHerb · $7.18

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 Vitamin D 2026 ranking.