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Bioavailability

Refers to the extent and rate at which nutrients, compounds, or active ingredients (such as antioxidants in tea) are absorbed into the bloodstream and used by the body. High bioavailability means more of the beneficial compounds are accessible, enhancing potential health effects. The bioavailability of tea compounds, like catechins in green tea, can be influenced by factors such as steeping time, temperature, and whether tea is consumed with food.