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

289Vitamin D3 (Cholecalciferol) 1000 IU70/100SolgarVitamin D3 (Cholecalciferol) 1000 IUsoftgel · 30 servings · $0.38/servingBuy on iHerb · $11.53
290Vitamin D3 4,000 IU70/100CarlsonVitamin D3 4,000 IUsoftgel · 30 servings · $1.02/servingBuy on iHerb · $30.60
291Vitamin D3 1,000 IU70/100CarlsonVitamin D3 1,000 IUsoftgel · 30 servings · $0.23/servingBuy on iHerb · $6.97
292Vitamin D3 2,000 IU70/100CarlsonVitamin D3 2,000 IUsoftgel · 30 servings · $0.37/servingBuy on iHerb · $10.97
293D3 2000 IU70/100Nature's BountyD3 2000 IUsoftgel · 30 servings · $0.57/servingBuy on iHerb · $17.17
294D3 1000 IU70/100Nature's BountyD3 1000 IUsoftgel · 30 servings · $0.39/servingBuy on iHerb · $11.78
295Vitamin D3 1000 IU70/100Life ExtensionVitamin D3 1000 IUsoftgel · 30 servings · $0.17/servingBuy on iHerb · $5.25
296Vitamin D3 2,000 IU High Potency70/100Protocol For Life BalanceVitamin D3 2,000 IU High Potencysoftgel · 30 servings · $0.33/servingBuy on iHerb · $10.00
297Vegan Vitamin D3 2000 IU70/100Natural FactorsVegan Vitamin D3 2000 IUcapsule · 30 servings · $0.69/servingBuy on iHerb · $20.55
298Vitamin D3 Drops 1000 IU70/100Natural FactorsVitamin D3 Drops 1000 IUliquid · 500 servings · $0.03/servingBuy on iHerb · $14.39
299Vitamin D-3 & K-2 1,000 IU / 45 mcg69/100NOWVitamin D-3 & K-2 1,000 IU / 45 mcgcapsule · 30 servings · $0.31/servingBuy on iHerb · $9.17
300Fermented Vitamin D3 2000 IU69/100New ChapterFermented Vitamin D3 2000 IUtablet · 90 servings · $0.33/servingBuy on iHerb · $29.97
301Liquid D3 10,000 IU69/100Davinci LaboratoriesLiquid D3 10,000 IUliquid · 30 servings · $0.68/servingBuy on iHerb · $20.36
302Vitamin D3 2000 IU68/100BluebonnetVitamin D3 2000 IUcapsule · 30 servings · $0.47/servingBuy on iHerb · $14.00
303Vitamin D3 5000 IU68/100Innate Response FormulasVitamin D3 5000 IUcapsule · 60 servings · $0.47/servingBuy on iHerb · $28.49
304Vitamin D3 (Cholecalciferol) 125 mcg (5000 IU)68/100SolgarVitamin D3 (Cholecalciferol) 125 mcg (5000 IU)capsule · 30 servings · $0.39/servingBuy on iHerb · $11.70
305Vitamin D3 1000 IU68/100Aerobic LifeVitamin D3 1000 IUliquid · 350 servings · $0.06/servingBuy on iHerb · $19.95
306Vitamin D3 50 mcg + K2 90 mcg68/100CarlsonVitamin D3 50 mcg + K2 90 mcgcapsule · 15 servings · $0.56/servingBuy on iHerb · $8.42
307Vitamin D3 50 mcg (2000 IU)68/100Natural FactorsVitamin D3 50 mcg (2000 IU)tablet · 30 servings · $0.19/servingBuy on iHerb · $5.57
308Vitamin D3 5,000 IU68/100ForestLeafVitamin D3 5,000 IUcapsule · 180 servings · $0.11/servingBuy on iHerb · $19.99
309Vitamin D3 5000 IU68/100SolgarVitamin D3 5000 IUcapsule · 240 servings · $0.13/servingBuy on iHerb · $31.26
310Vitamin D3 50 mcg (2,000 IU) + K2 90 mcg68/100CarlsonVitamin D3 50 mcg (2,000 IU) + K2 90 mcgcapsule · 15 servings · $0.56/servingBuy on iHerb · $8.42
311Vitamin D-3 5,000 IU68/100Metabolic MaintenanceVitamin D-3 5,000 IUcapsule · 30 servings · $0.83/servingBuy on iHerb · $25.00
312Vitamin D3 + K268/100SolarayVitamin D3 + K2capsule · 30 servings · $1.07/servingBuy on iHerb · $31.99

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.