Does drinking coffee deplete vitamins or minerals, such as magnesium, in the body? Can adding magnesium or other minerals reduce the acidity or improve the flavor of coffee?

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Adding Collagen to Coffee?

Medically reviewed and edited by Tod Cooperman, M.D.

Written by Meredith A. Worthington, Ph.D.

Updated January 16, 2023 ⓘ

Answer:

Coffee may reduce the absorption or increase the excretion of certain vitamins and minerals, although in some cases the impact is not clinically significant and, in other cases, can be avoided by separating the timing of coffee and nutrient intake.

Sign in as a member to learn how coffee intake affects the absorption and blood levels of B vitamins, calcium, iron, and magnesium, and learn how magnesium, potassium, and eggshells may affect the flavor of coffee. Also find out if collagen, added to hot coffee, may get destroyed by the heat.

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