How Much Iron is Absorbed from Iron Bisglycinate?
Iron deficiency is a common issue that affects millions of people worldwide. To combat this, many individuals turn to iron supplements. Among the various types of iron supplements available, iron bisglycinate has gained popularity due to its high bioavailability and gentle nature on the stomach. But how much iron is absorbed from iron bisglycinate? In this article, we will explore the absorption rate of iron bisglycinate and why it may be a preferred choice for those needing to increase their iron intake.
Understanding Iron Bisglycinate
Iron bisglycinate is a chelated form of iron, where iron is bound to two molecules of the amino acid glycine. This chelation process enhances the stability of the iron molecule and improves its absorption in the digestive tract. Unlike other forms of iron, such as ferrous sulfate, iron bisglycinate is less likely to cause gastrointestinal discomfort, making it a popular option for those who experience side effects from traditional iron supplements.
Absorption Rates of Iron Bisglycinate
Research indicates that iron bisglycinate has a significantly higher absorption rate compared to other forms of iron supplements. Studies suggest that approximately 20-30% of iron from iron bisglycinate can be absorbed by the body. This is a considerable improvement over ferrous sulfate, which has an absorption rate of around 10-15%.
The enhanced absorption can be attributed to the chelation process, which protects the iron from binding with other compounds in the gut that can inhibit absorption. Additionally, the presence of glycine may facilitate the transport of iron across the intestinal lining, making it more readily available for use by the body.
Factors Influencing Iron Absorption
While iron bisglycinate is known for its high absorption rate, several factors can influence how much iron is ultimately absorbed:
1. Dietary Components: Certain foods and beverages can affect iron absorption. For example, vitamin C can enhance iron absorption, while calcium, tannins (found in tea and coffee), and phytates (found in whole grains and legumes) can inhibit it.
2. Individual Health: An individual’s health status can also impact iron absorption. Those with digestive issues or conditions such as celiac disease may absorb less iron, regardless of the supplement form.
3. Dosage: The amount of iron consumed in a single dose can affect absorption. Smaller, more frequent doses may be better absorbed than larger doses taken less frequently.
Conclusion
Iron bisglycinate is an excellent option for those looking to increase their iron levels with minimal gastrointestinal side effects. With an absorption rate of approximately 20-30%, it stands out among other iron supplements. However, it’s essential to consider individual dietary habits and health conditions that may affect iron absorption.
If you suspect you have an iron deficiency or are considering iron supplementation, consult with a healthcare professional to determine the best approach for your needs. With the right guidance, you can effectively boost your iron levels and support your overall health.