Page 1 - Reviews - Zahler, Iron Complex, 100 Capsules - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 8,080 ratings
6,816
838
309
67
50
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What customers say
Customers consistently praise this iron supplement for its effectiveness in improving anemia and increasing iron levels. Many highlight that it is gentle on the stomach, with minimal to no constipation, a common issue with other iron supplements. The product's quality and strong packaging are frequently mentioned, along with its easy-to-swallow size. Some users noted slight stomach upset, but this seems to be an exception rather than the norm. Additional benefits reported include improved overall health and hair loss reduction. The supplement is also appreciated for being free of artificial colors, gluten, and preservatives.
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English
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iHerb customer
Posted on Dec 16, 2020
Georgia
41
0
0
0
Verified purchase
Lovely
iHerbCustomer
Gold
Posted on Sep 29, 2025
Georgia
1,653
0
0
11
Super
Verified purchase
Excellent and high-quality hardware, it suits me, the price matches the quality, thank you
Auto-translated from Russian
Salma
Posted on Jun 16, 2025
United Arab Emirates
92
32
0
16
blood supplements
Verified purchase
best supplements to support your anemia symptoms, zahler iron complex ingredients and composition will support your needs to treatm your iron and minerals defiency in your blood ,because of the excellent quality of this product your can restore your blood will frequent use of this product that has nice taste.
3025c58d-87dc-4e6a-8bc3-344f16c6ad9e
iHerb customer
Posted on Nov 9, 2025
Jordan
12
0
0
0
ممتاز!
Verified purchase
⭐️⭐️⭐️⭐️⭐️ Great product and fast delivery! I’m really happy with this purchase. The quality is excellent, and the packaging was clean and well-sealed. I started using it recently and already notice a positive difference. Shipping was fast, and everything arrived in perfect condition. Highly recommend it and will definitely order again!
Dakota
Posted on Aug 15, 2025
United States
91
20
0
10
Zahler
Verified purchase
Zahler Iron seems to work for me. I am peri-anemia so I have to take Iron & zahler is a good product compared to others
85bab6ff-ccb1-435b-a683-cc15ba5a3ecd
Violet
Posted on Aug 17, 2025
United States
90
0
0
7
My favorite brand
Verified purchase
I tried their vitamin B, and since then it’s my favorite brand.
daldvil
Silver
Posted on Jan 6, 2025
Saudi Arabia
131
2
3
38
THE BEST
Verified purchase
the beat of the best! if you’re like me avoid taking iron supplements for the very last minute because they hurt ur stomach and give u painful constipation OR don’t even seem to work at all, consider this your answer to all prayers and get it asap
altamentis
Gold
Posted on Sep 9, 2024
Portugal
354
0
1
262
Iron and its coadjuvants
Verified purchase
A good quality iron supplement should always have other nutrients, like vitamin C that can help its absorption. This supplement in particular also have other nutrients, like B12, that can also have a positive impact in ferritin levels.
IzzyG
Silver
Posted on Mar 31, 2024
Switzerland
103
0
0
48
Gentle as it promises
Verified purchase
Been taking daily since mid-January, and now excited to share the benefits I experienced. Ingredients: High-quality ingredients that don’t upset the stomach, as promised - and I am extremely sensitive usually, so approved. Note: did not experience constipation, but I do drink a lot of water and consume a lot of fruit and veggies. Maybe I just saw a minor difference of bowel changes the first week, but then it adjusted immediately. Think it’s normal when you introduce something new in your routine. Size & format: chose 100-capsule package. I think pill size and composition is perfect, as well as bottle size as you go on for months without the need to repurchase. No metal-like aftertaste either. I had a minor deficiency compared to people with severe anemia, but was going through burn out and was really feeling a toll on my energy levels before taking this supplement. Will measure iron levels once finishing the bottle and eventually update when I do another iron supplement cycle.
iHerbCustomer
Gold
Posted on Sep 18, 2023
United States
319
23
2
291
Trial
Verified purchase
I bought another iron supplement but saw this trial bottle and just had to test it out. I love that this brand included Vitamin C, B12 & Folate which combined should also help for better absorption of the iron. This should definitely give me a boost and help to get rid of my anemia.