21st Century Slow Release Iron Tablets
- 60 tablets
- Slow release iron
- Gluten free, unflavored
- Iron support
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A gentle-release mineral tablet for adults who want a plain supplement in a small bottle. The listing gives no iron strength or directions, so the label is essential before use.
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ASIN: B00582WT6ICategory: Iron Supplements
Overview
21st Century makes this tablet to release iron slowly rather than all at once. The listing is sparse, giving the count, the form and a gluten free note, and it is unflavored.
A slow release design is meant to be gentler than a quick-dissolving iron tablet, and the small count suits someone trying iron for a short stretch. The limitation is the missing strength, serving size and any other nutrient detail in the listing.
Who it's for
A person advised to supplement iron who prefers a slow release tablet. Iron overdose is dangerous for children, so keep it away from them, and anyone without a confirmed need should get iron levels checked first.
Pros and cons
- Slow release iron tablet
- Small bottle for a trial
- Iron strength not listed
- Short supply per bottle
- Supplement type field is mislabeled
Performance notes
Slow release tablets let iron dissolve over a longer period, which can mean less stomach upset than quick-release forms. Iron levels change slowly, so any benefit appears over weeks and a blood test confirms it.
Specifications
| Brand | 21st Century |
|---|---|
| Supplement Type | Iron |
| Form | Tablet |
| Diet | Gluten Free |
| Allergens | Gluten Free |
| Count | 60 Count |
| Flavor | Unflavored |
| Benefits | Iron support |
| Release | Slow release |
Frequently asked questions
How should I store 21st Century Slow Release Iron?
The listing gives no storage directions. Follow the label and store it out of reach of children.
Is 21st Century Slow Release Iron a magnesium supplement?
No. The supplement type field says magnesium, but the title and benefits show it is an iron tablet.
Does the listing state the iron amount?
No. Only the count is given, so read the supplement facts on the bottle.