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⚡ Power your day with iron that works as hard as you do!
Thorne Iron Bisglycinate delivers 25 mg of highly absorbable iron per capsule in a gut-friendly formula, NSF Certified for Sport to guarantee purity and safety. Designed for professionals and athletes alike, it supports optimal red blood cell production without common gastrointestinal side effects. Manufactured in the USA with premium ingredients and subjected to rigorous multi-stage testing, this supplement is the #1 ranked iron mineral supplement trusted by healthcare practitioners and elite sports teams.

















| Asin | B0797GZDZL |
| Best Sellers Rank | #1 in Iron Mineral Supplements |
| Date First Available | October 1, 2013 |
| Item Model Number | M226 |
| Manufacturer | Thorne Research |
| Product Dimensions | 2.09 x 2.09 x 3.72 inches; 0.32 ounces |
User
Gentle, Effective, and Easy
I've tried several iron supplements over the years, and this one has been by far the easiest to tolerate. THORNE Iron Bisglycinate provides a well-absorbed form of iron that doesn't leave me dealing with the stomach discomfort or constipation I've experienced with other brands. The capsules are easy to take, and I've noticed a positive difference in my energy levels and overall well-being. The quality is exactly what I've come to expect from Thorne, and I appreciate that it's NSF Certified for Sport and gluten-free. If you're looking for a reliable iron supplement that's gentle on your digestive system, this is an excellent choice!
User
Gentle Iron Supplement That’s Easy on the Stomach
I’ve had a great experience with this iron supplement. The capsules are easy to swallow, and unlike many other iron supplements I’ve tried, this one is very gentle on my stomach. I didn’t experience the usual digestive discomfort or constipation.I appreciate the high-quality ingredients and trust the Thorne brand. After taking it consistently, I noticed an improvement in my energy levels, and it has become part of my daily routine.The bottle lasts a good amount of time, and the quality makes it well worth the price. If you’re looking for a well-tolerated, high-quality iron supplement, I would definitely recommend giving this one a try.
User
Gentle Iron That Actually Works Without Side Effects Finally Found an Iron Supplement I Can Tolerate
After struggling with iron deficiency for years and experiencing terrible digestive issues with traditional iron supplements, I was hesitant to try yet another product. However, THORNE's Iron Bisglycinate has been a complete game-changer for me. The chelated form truly delivers on the promise of enhanced absorption without the gastrointestinal distress that plagued me with other iron products.What sets this apart is the bisglycinate form - iron bound to the amino acid glycine. This makes it much gentler on the stomach while actually improving bioavailability. I take it on an empty stomach without any nausea, constipation, or stomach upset that I experienced with ferrous sulfate supplements. This alone makes it worth the premium price.The 25mg dosage is perfect for maintenance and gradual improvement. My recent blood work showed steady improvement in iron levels after three months of consistent use, and my doctor was pleased with the progress. I have more energy throughout the day and don't experience the afternoon fatigue that was becoming problematic.THORNE's reputation for quality and third-party testing gives me confidence in what I'm taking. The capsules are easy to swallow, and the bottle is clearly labeled with expiration dates and batch information. No artificial colors, flavors, or unnecessary additives - just pure, effective iron supplementation.While more expensive than drugstore iron supplements, the superior absorption and lack of side effects make this significantly better value in terms of actual results and tolerability.Highly recommend for anyone who needs iron supplementation but has struggled with digestive issues from other products.
User
Great product.
I’ve been taking it for about a week. Seems to be helping my RLS. And I have no side effects. I will continue purchasing this product in the future.
User
Fixed my SEVERE iron deficiency!
I recently started seeing a functional medicine doctor to address some issues I've been having and the first they had me do was a full blood workup. When the results came back one of the most glaring issues was my blood iron (ferritin) level. Ideal levels for a woman my age should be 100-150+ ug/L. My level was 18!! The doctor asked me how I managed to get out of bed in the morning and how I can go up and down stairs without fainting, let alone live my life! It's amazing how you can get used to such a poor quality of life when it creeps up on you and you don't know any different. I immediately started taking iron at triple the recommended dose to make up for my severe deficiency and stop the 'iron leak' I seem to have in my body. After bouncing around between a few different supplements, I have settled on this one and I love it! I take 2 per day (that's what my doctor recommended even though the bottle says 1) and I no longer get dizzy and light headed, I don't bruise as easily as I used to and I just feel so much better over all! If you're deficient in iron, some of the symptoms you might experience are fatigue, dizziness, shortness of breath, difficulty concentrating, difficulty regulating body temperature or often feeling cold, pale skin, heart palpitations, shortness of breath, headaches, hair loss, restless leg syndrome, itchiness, more frequent bouts of illness and ringing, hissing or buzzing in your ears. My doctor says almost EVERYONE is deficient in iron, so this might be something you should take even if you're NOT experiencing these symptoms!One of the reasons I chose this particular brand is because it uses a chelate which is more highly absorbable by the body than cheaper carbonates, oxides, sulfates and phosphates and it doesn't have a bunch of crap additives in it. Additionally, the pills are TINY and super easy to swallow! I use some other Thorne supplements as well and really like them. That being said, not ALL of Thorne's stuff is the best of the best, but when it comes to my iron levels, this has worked wonders and I can definitely recommend!I sincerely hope this review has been helpful to someone else! And yes, I pay full price for this. I get it monthly in my subscribe and save. Feel free to ask any questions!
User
Good quality!
Works good
User
Gentle Iron Supplement That’s Easy on My Stomach
I've tried a few iron supplements over the years, and this is one of the few that doesn't upset my stomach. The capsules are easy to take, and I appreciate that the iron is in a form that's designed for better absorption.I've had a good experience with Thorne products in general, and this one has been no exception. If you're looking for an iron supplement that is gentle and from a trusted brand, this is a great option.
User
No GI upset, great results
This supplement has helped me raise my iron and ferritin levels without any GI upset. Gentle enough for daily use and has made a huge difference with my hair growth and overall energy (my iron levels were very low). Would highly recommend!
User
Oxidize quickly
These are gentle on the stomach but beware of oxidation. I had them for around a year and by the end and after comparing to the new pack, these were completely oxidized (brown) and probably completely ineffective. Best to use them up quickly.
User
ما يسبب امساك
افضل حبوب لرفع الحديد بدون اثار جانبيه للامساك
User
Thanks
Great
User
Nice
Help full not disturb your stomach
User
Real help 👌🏻
My favorite iron 👍🏻👍🏻👍🏻good for stomach. Fast delivery ⭐️good package ⭐️affordable price ⭐️Thank you Seller
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