Iron: the numbers
Everything below is computed from the 59 curated iron we track - no estimates, no third-party data.
59Curated models
40Brands
★ 4.6Average Amazon rating
316,201Amazon ratings
How Amazon buyers rate them
The average Amazon rating across the category is ★ 4.6. 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 | ||
|---|---|---|
| Nature Made Iron 65 mg (325 mg Ferrous | ★ 4.7 | 54,615 |
| Nature's Bounty Iron 65mg, 325 mg Ferrous Sulfate, | ★ 4.7 | 35,600 |
| Vitron-C Iron Supplement, Immunity Support Iron Supplements with | ★ 4.6 | 31,280 |
| Floradix Iron & Herbs - Liquid Herbal Supplement | ★ 4.6 | 19,524 |
| 21st Century Slow Release Iron Tablets, 60 Count | ★ 4.6 | 14,897 |
Where these numbers come from
Counts, ratings, and rating totals are pulled from the curated iron catalog on every build - the same data behind the Iron category page. Junk listings and no-name brands are filtered out before anything is counted. Product data: last refreshed aug 4, 2026.