Thorne Iron Bisglycinate Supplement 25 mg, 60 Capsules
A well-absorbed iron supplement that prevents constipation.
Thorne Iron Bisglycinate is a high-quality iron supplement providing 25 mg of elemental iron per capsule. It offers a non-constipating and well-absorbed form of iron, making it suitable for those with low iron levels. NSF Certified for Sport, it ensures the absence of banned substances for athletes.
- 25 mg of elemental iron per capsule
- Non-constipating and well-absorbed formulation
- NSF Certified for Sport compliance
Best for: Individuals needing effective iron supplementation
Our Review
THORNE Iron Bisglycinate stands out in the realm of iron supplements, particularly due to its formulation of 25 mg of elemental iron per capsule. The product also boasts NSF certification, ensuring compliance with label claims and the absence of banned substances, reinforcing its reliability and safety.
With widespread trust among professional sports teams and healthcare practitioners, Thorne's Iron Bisglycinate is a highly recommended supplement. For anyone looking to effectively increase their iron intake without the typical discomfort associated with many iron supplements, this product should be at the top of your list.
What we like
- High absorption with non-constipating formula
- Beneficial for women of childbearing age
- NSF Certified for safety and compliance
- Trusted by professionals and athletes
- Ideal for vegan and vegetarian diets
Our verdict
A well-absorbed iron supplement that prevents constipation.
Product Details
Product Details
Well-Absorbed Iron: Thorne Iron Bisglycinate provides 25 mg of elemental iron per capsule in a form that is well-absorbed and non-constipating.
Symptoms of Low Iron: Nearly 1 in 3 adults in the U.S. may have low iron levels, which can lead to symptoms like weakness, fatigue, shortness of breath, dizziness, drowsiness, irritability, and infrequent menstruation.
Blood Support: This dietary iron is crucial for the formation of new red blood cells, especially for women of childbearing age, after blood loss from surgery or injury, or for those following vegan or vegetarian diets.
NSF Certified for Sport: The product is tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations.
Trusted Brand: Thorne is recognised by over 100 professional sports teams and is the most recommended clinical brand by consumers and healthcare practitioners based on a 2026 independent survey.
Product Specifications
- Product Dimensions: 2.09 x 2.09 x 3.72 inches; 0.32 ounces
- Item Model Number: M226
- Date First Available: October 1, 2013
- Manufacturer: Thorne Research
- ASIN: B0797GZDZL
- ASIN:
- B0797GZDZL
- Brand:
- THORNE
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