Do tannins cause iron deficiency?
Some research suggests that tannins may reduce iron absorption in the body. However, tannins only appear to affect iron status in adults who already have low iron stores. The effect of tannins reducing iron absorption is greater with non-heme iron.
Some research suggests that tannins may reduce iron absorption in the body. However, tannins only appear to affect iron status in adults who already have low iron stores. The effect of tannins reducing iron absorption is greater with non-heme iron.
