THORNE Iron Bisglycinate, 25 mg Iron Supplement, 60 Capsules | Enhanced Absorption Without Gastrointestinal Side Effects*, Chelated Iron Capsules, Gluten-Free, NSF Certified for Sport

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!

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.

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.

Great product. No constipation side affect and easy to take.

I originally chose THORNE’s iron supplement after doing quite a bit of research, especially because I was concerned about how iron supplements can affect digestion. I was looking for something that would be effective but also gentle and easy on the stomach.Honestly, I didn’t expect such a noticeable result. My iron level was very low — around 15 — and after taking this supplement consistently for approximately three months, along with eating more meat and other iron-rich foods, my level increased to around 40.I’m genuinely impressed with the results. I can proudly say that this supplement has worked really well for me, and I’m definitely going to continue purchasing it to maintain and further improve my iron levels.For anyone who is looking for an effective iron supplement that is also gentle on digestion, I would definitely recommend giving THORNE a try.

Works good

I took this consistently every evening with a cup of orange juice for the past 2 1/2 months and my ferritin level jumped from 12 to 35!!! The capsules aren’t very big and are easy to swallow. No upset stomach. No constipation. I timed my doses so that I didn’t have any coffee or dairy an hour or two before or after since they interfere with absorption. Highly recommend!!!

Raised ferritin from 72 to 92 in 6 weeks and corrected iron saturation numbers. The ferritin levels are what really matters and takes time to rebuild. Already feel better since supplementing. I take 1 pill fasted when I wake up and only have water for 2 hours.

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.

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Great

毎日の食生活だけでは鉄分が不足しがちだと感じ、継続しやすいサプリメントを探して購入しました。ビスグリシネート鉄を使用しているためか、一般的な鉄分サプリよりも飲みやすく感じ、毎日無理なく続けられています。カプセルも大きすぎず、水と一緒にスムーズに飲めました。1日1カプセルで必要な鉄分を手軽に補えるので、忙しい日でも習慣にしやすい点が気に入っています。60粒入りで約2か月分あるため、コストパフォーマンスも悪くありません。一方で、海外製サプリということもあり、価格は国産製品と比べるとやや高めに感じました。また、サプリメントは即効性を期待するものではなく、継続して取り入れることが大切なので、数日で変化を求める方には向かないと思います。品質や飲みやすさを重視したい方には選択肢の一つになるサプリメントだと感じました。

Thorne Iron Bisglycinate is a total game-changer for anyone who needs an iron boost but dreads the usual stomach drama. It’s gentle on digestion—no cramps, no nausea, and no awkward rush to the bathroom (you know what I mean). I’ve been taking it daily, and my energy levels have noticeably improved, especially during workouts and long days.The capsules are small and easy to swallow, and it’s NSF Certified for Sport, which gives me peace of mind that it’s clean and free from junk. Plus, it’s gluten-free, so no worries for those with sensitivities.The only downside? It’s on the pricier side for an iron supplement, but the lack of side effects makes it worth every penny. Also, you’ll need to pair it with vitamin C-rich foods or drinks to maximize absorption, but that’s an easy fix (hello, orange juice!).If you’re tired of iron supplements that make you feel worse than being anemic, this one’s a must-try. It delivers results without any of the hassle.4.8/5