Can iron supplements cause an increase in blood sugar levels?
May 16, 2023
Source: Cainiu Health
Dr. Pan Yongyuan
Introduction
Iron supplements containing little sucrose generally do not cause elevated blood glucose levels. However, those containing high amounts of sucrose may increase blood glucose, as sucrose is broken down in the gastrointestinal tract by enzymes into glucose and fructose, leading to a rise in blood sugar concentration. Iron supplements should not be taken for prolonged periods to avoid conditions such as iron overload or excessive iron accumulation.
If an iron supplement contains only a small amount of sucrose, it generally does not cause elevated blood glucose levels. However, if it contains a large amount of sucrose, it may lead to increased blood sugar. The detailed analysis is as follows:
1. Does not cause elevated blood sugar
Daily picky eating or frequent overeating may affect the body's absorption of iron, leading to iron deficiency and consequently causing iron-deficiency anemia. In such cases, iron supplements should be taken according to medical advice. Commonly used medications include ferrous sulfate tablets and ferrous fumarate tablets. During manufacturing, some iron supplements may contain a small amount of added sucrose. If the sucrose content is low and the dosage taken is not particularly high, blood glucose levels typically will not rise.
2. Causes elevated blood sugar
If the iron supplement contains a significant amount of added sucrose and a large dose is consumed, the sucrose will be broken down in the gastrointestinal tract by enzymes into glucose and fructose, which can lead to an increase in blood glucose concentration.
Long-term use of iron supplements is not recommended, as it may result in iron overload or excessive iron accumulation, which is detrimental to health. Therefore, when experiencing any physical discomfort, it is advisable to seek medical attention promptly.
