Vitamin D: the numbers
Everything below is computed from the 137 curated vitamin d we track - no estimates, no third-party data.
137Curated models
58Brands
★ 4.7Average Amazon rating
1,365,321Amazon ratings
How Amazon buyers rate them
The average Amazon rating across the category is ★ 4.7. Low-rated products with meaningful rating volume are dropped during curation, so the spread below reflects the survivors.
Brand share of the curated catalog
Most-rated models
| Ratings | ||
|---|---|---|
| NatureWise Vitamin D3 5000iu (125 mcg) 1 Year | ★ 4.7 | 193,900 |
| Nature's Bounty Vitamin D3 5000 IU Softgels, Rapid | ★ 4.8 | 83,500 |
| Nature's Bounty Vitamin D3 2000 IU | Supports | ★ 4.8 | 81,200 |
| Sports Research Vitamin D3 5000 IU with Coconut | ★ 4.8 | 71,400 |
| Nature Made Vitamin D3 5000 IU (125 mcg) | ★ 4.8 | 67,100 |
Where these numbers come from
Counts, ratings, and rating totals are pulled from the curated vitamin d catalog on every build - the same data behind the Vitamin D category page. Junk listings and no-name brands are filtered out before anything is counted. Product data: last refreshed aug 4, 2026.