If you drink too much coffee a day you may have a hard time absorbing vitamin D, according to this study

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Elia Tabuenca García
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Researchers have discovered a possible downside to the world's most loved drink, coffee (but also tea) on its ability to absorb vitamin D

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A new study suggests that if you use coffee regularly, caffeine may interfere with the your body's ability to absorb vitamin D. Here's what you need to know.





A systematic review

Medical researchers in China and Brazil recently teamed up to lead one study, which will soon be published in the International Journal for Vitamin and Nutrition Research. The study builds on previous research, which identified how caffeine consumption would be linked to a decrease in the creation of vitamin D receptors.

To investigate further, this study looked at nutritional data collected from more than 13.000 participants in the National Health and Nutrition Examination Survey between 2005 and 2006. Then, they looked at the clinical odds that vitamin D deficiency is associated with caffeine intake. .

The results

The researchers concluded that the more individuals drink caffeine, the more likely they are to experience a vitamin D deficiency. In the study abstract, the authors clearly state that higher caffeine intake could be associated with a deficiency of the "sunshine vitamin ".

Further investigation may be needed to actually determine if caffeine really causes this deficiency. Additionally, the researchers still haven't figured out how caffeine can affect vitamin D levels in older individuals, as the data used in this study was collected based on individuals between the ages of 30 and 47.

So, this study is just a start and could pave the way for more research; at the moment, what is known is that it would be better not to overdo the daily quantities of coffee. (Read also: The signals your body sends you to tell you that you are consuming too much caffeine)

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Photos: PubMed

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