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How does caffeine and alcohol consumption influence calcium levels?

In our daily lives, we often enjoy beverages like coffee, tea, energy drinks, and even the occasional alcoholic drink. While these substances can offer various effects on our mood and energy, they also have an influence on our body's calcium levels. In this brief discussion, we delve into the distinct ways caffeine and alcohol can affect calcium metabolism.


Caffeine, commonly found in coffee, tea, energy drinks, and certain sodas, can have a modest, short-term effect on calcium excretion. When you consume caffeine, it increases the excretion of calcium through urine.

This is because caffeine stimulates the kidneys to release more calcium from the body. However, the overall impact of moderate caffeine consumption on calcium balance appears to be relatively minor.

It's important to note that the calcium lost through urine due to caffeine intake might not be substantial enough to lead to a calcium deficiency, especially if your overall calcium intake is adequate. If you're concerned about calcium balance, you might consider ensuring your diet contains sufficient calcium-rich foods.


Alcohol consumption can have more complex effects on calcium levels. Chronic and excessive alcohol consumption can interfere with the body's ability to absorb calcium from the intestines. It may also negatively affect the activation of vitamin D, which is essential for efficient calcium absorption.

This can potentially lead to reduced calcium availability for bone health and other bodily functions.

Moreover, excessive alcohol consumption can contribute to a higher risk of bone fractures, as it may compromise bone density and overall bone health. This is due to the combined impact of reduced calcium absorption, interference with vitamin D metabolism, and potential negative effects on hormones that regulate bone remodeling.

In both cases, moderation is key. Moderate caffeine consumption is unlikely to significantly impact calcium balance for most individuals with a balanced diet, while limiting alcohol intake and ensuring sufficient dietary calcium are important for maintaining bone health.

Individual responses to caffeine and alcohol can vary, and if you have concerns about their effects on your calcium levels, it's a good idea to consult a healthcare professional for personalized advice based on your specific circumstances.


  1. Godos J, Giampieri F, Chisari E, Micek A, Paladino N, Forbes-Hernández TY, Quiles JL, Battino M, La Vignera S, Musumeci G, Grosso G. Alcohol Consumption, Bone Mineral Density, and Risk of Osteoporotic Fractures: A Dose-Response Meta-Analysis. Int J Environ Res Public Health. 2022 Jan 28;19(3):1515. doi: 10.3390/ijerph19031515. PMID: 35162537; PMCID: PMC8835521.


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