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#3 in Vitamins Third-Party Tested

Doctor's Best Vitamin D3 5000 IU (360 Softgels)

by Doctor's Best

"360 softgels of D3 5000 IU — the full-year supply of high-dose vitamin D for deficiency repletion at under $16"

Amazon Rating
4.7/5
Reviews
24,000+
Price Range
$12-16
Servings
360 softgels
GMP CertifiedNon-GMO
Our Editorial Rating
8.4
Very Good
FormSoftgel
CategoryVitamins
SubcategoryVitamin D3 (High-Dose, Year Supply)
View on Amazon

Overview

Doctor's Best Vitamin D3 provides 5000 IU (125mcg) of cholecalciferol per softgel in a 360-count bottle, providing a full year of daily supplementation for under $16. The 5000 IU dose is the most commonly recommended repletion dose for those with vitamin D deficiency (levels below 30 ng/mL), which affects an estimated 42% of American adults. The olive oil base enhances absorption of this fat-soluble vitamin. Doctor's Best is known for their science-based formulations and competitive pricing.

Key Ingredients

IngredientAmount
Vitamin D3 (Cholecalciferol)5000 IU (125 mcg)

1 ingredient linked to detailed encyclopedia profiles

Pros & Cons

What We Like

  • 360 softgels (1-year supply)
  • Under $16
  • 24,000+ reviews
  • 5000 IU repletion dose
  • Olive oil for absorption

What Could Be Better

  • May be too high for maintenance
  • No K2 included
  • Softgel (not vegan)
  • Fat-soluble (monitor levels)

Who Is This For?

Best For

  • Vitamin D deficiency repletion
  • Year-round supplementation
  • Budget D3 seekers
  • Those with levels below 30 ng/mL

Not Ideal For

  • Those with adequate D3 levels
  • Vegans
  • Those wanting D3+K2 combo
  • Those wanting lower dose

Our Verdict

8.4/10 — Very Good

Doctor's Best D3 5000 IU is the year-supply repletion dose — 360 softgels under $16 for the most common vitamin deficiency in America. Monitor your 25(OH)D levels and adjust dose once you reach 40-60 ng/mL.

Alternatives to Consider

No direct alternatives listed for this product yet.