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⏳ Elevate your iron game—steady, gentle, and gluten-free for the modern achiever!
21st Century Slow Release Iron Tablets deliver a high potency, gluten-free iron supplement designed for adults seeking steady iron absorption without digestive discomfort. With 60 unflavored tablets per bottle, this slow release formula supports healthy iron levels all day long, backed by over 14,500 positive reviews and a trusted brand reputation.













| ASIN | B00582WT6I |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #2,321 in Health & Household ( See Top 100 in Health & Household ) #13 in Iron Mineral Supplements #306 in Sales & Deals |
| Brand | 21st Century |
| Brand Name | 21st Century |
| Customer Reviews | 4.6 out of 5 stars 14,833 Reviews |
| Diet Type | Gluten Free |
| Flavor | Unflavored |
| Global Trade Identification Number | 00740985273432 |
| Item Form | Tablet |
| Item Weight | 1.76 ounces |
| Manufacturer | 21st Century |
| Manufacturer Part Number | B005LEMT1I |
| Material Type Free | preservatives free,yeast free |
| Model Number | 27343 |
| Number of Items | 1 |
| Primary Supplement Type | Magnesium |
| Product Benefits | Iron Support |
| UPC | 740985273432 |
| Unit Count | 60 Count |
A**L
Well worth the money!
This is very helpful getting your iron up. Doesn't make you constipated like other iron pills I have tried. I will be buying from this company again.
V**A
Slow release is BEST for WLS patients.
Great product for those who have had sleeve and bypass. I take this one at night since it’s solid pill and 12 hours later another brand that’s a capsule so it’s easier on my stomach during the day.
R**S
Comparable to Slow Fe — Much More Affordable and Works Just as Well
Comparable to Slow Fe — Much More Affordable & Just as Effective These have been a great alternative to Slow Fe. My hematologist originally recommended Slow Fe because regular iron tablets were not absorbing properly, and I was having to get iron infusions. After switching to slow-release iron, my iron levels improved. I decided to try 21st Century Slow Release Iron because it’s significantly more affordable, and I’m very happy I did. They work just as well for me and have helped maintain my iron levels without needing infusions. One of the biggest advantages is the packaging. Slow Fe comes in individual blister packs that can be hard to open. These come in a simple bottle, which is much more convenient — no struggling to open each pill. They are also gentle on my stomach, which is very important with iron supplements. If you’re looking for a budget-friendly alternative to Slow Fe that actually works, this is a great option. Highly recommend!
V**N
Worth the Money
I enjoy the fact they are slow release so they are better on the stomach and easier to take.
P**N
Good quality
The slow release is much better than taking a regular iron pill. The product is good. I found the pills easy to swallow. I also loved the great price/
A**E
Good product but extremely difficult for a senior citizen to open.
Very good product and cheaper than the name brand item. HOWEVER, the caps are almost impossible to open. The newest caps need extreme strength and coordination to open. I realize there is a need for safety caps but there should be be a way for senior citizens to order easy to open bottles.
B**A
Gentle and Effective Iron Supplement for Daily Use
I have been taking the 21st Century Slow Release Iron Tablets and I am really happy with how gentle they are on my stomach. Many iron supplements can cause nausea or discomfort, but these tablets are slow release, which makes them easier to tolerate and reduces side effects. I feel like my energy levels have improved since starting them, and I appreciate that they are easy to swallow and come in a convenient 60-count bottle. I also like that the dosage is consistent, and I can take them daily without worrying about getting too much at once. Overall, these iron tablets feel like a reliable and effective option for anyone who needs to supplement their iron intake. I would recommend them to anyone looking for a gentle, slow release iron supplement. IN SUMMARY: The 21st Century Slow Release Iron Tablets are gentle on the stomach, effective, and easy to take daily. They help improve energy levels and come in a convenient 60-count bottle, making them a reliable option for iron supplementation.
I**N
Much better than the “other one“.
My biggest concern in buying iron tablets is that they would upset my stomach and bind up my gut. However, this product works effectively as it’s competition that the namebrand and cost three times as much. So I’m sticking with this. I wish that it had vitamin C in it. Cause that’s what helps iron do its thing.
P**S
Such great iron pills
I love these pills. Gentle on the tummy and such great value for money. I get them for my parents as well. Used to get them on an Amazon subscription in the US. And was pretty miffed that I couldn't get them in Australia. But nowwww. I can. Yaaaaayyyy.
A**N
Best Buy Great Price plenty of Tablets
Great Price Month's in the Bottle
D**G
Easy to take
Works well
Trustpilot
1 day ago
2 months ago