Research Notes on Caffeine and Calcium
Caffeine is a substance that acts as a stimulant and a mild diuretic. It is present in coffee, tea, soft drinks, and energy drinks. Studies have found that caffeine can increase calcium excretion through the urine. This led to the speculation that caffeine can affect bone density due to calcium loss. However, more recent studies have shown that the calcium lost through the urine is negligible and that it does not predispose one to osteoporosis.
Top Resources on Caffeine and Calcium
- KidsHealth: Caffeine | Caffeine and Your Child
- International Food Information Council: Osteoporosis—Boning up on Health
- University of Washington Osteoporosis and Bone Physiology: Caffeine
- Go Ask Alice!: Caffeine’s Effects on Health
- MedicineNet: Does Caffeine Cause Bone Loss?
- HealthDay (via MedlinePlus): Cola May Be Bad to the Bones
- Wikipedia: Caffeine Mechanism of Action
- NetDoctor: Caffeine
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About this WisdomCard
- Contributor: Mia Tagala
- Reviewer: Elisa Carter
- Supervised by: The OrganizedWisdom Physician Review Team
- Last update: Sep. 11, 2008
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