Can I drink tea after taking calcium supplements?
Sep 09, 2023
Source: Cainiu Health
Dr. Zhou Chao
Introduction
In general, it is not recommended to drink tea when taking calcium supplements. First, tea contains caffeine, especially higher concentrations in strong tea. Caffeine has a diuretic effect, which may increase urine output and consequently lead to increased calcium excretion. This could potentially affect the absorption and utilization of calcium supplements to some extent. Second, tea contains polyphenolic compounds such as catechins.
Generally, it is not recommended to drink tea when taking calcium supplements. The detailed explanation is as follows:
First, tea contains caffeine, especially in higher concentrations in strong tea. Caffeine has a diuretic effect, which may increase urine output and consequently lead to increased excretion of calcium. This could potentially affect the absorption and utilization of calcium supplements to some extent. Second, tea contains polyphenolic compounds such as catechins. These substances are believed to bind with calcium to form insoluble complexes, possibly reducing calcium solubility and absorption rate. Finally, certain tea beverages, particularly citrus-flavored teas like lemon tea, are acidic. In an acidic environment, the solubility of calcium ions may decrease, thereby impairing calcium absorption. Therefore, one should avoid drinking tea when taking calcium supplements.
It is recommended to take calcium supplements under the guidance of a healthcare professional to prevent any adverse effects.
