Coffee Dehydrates You?

I’ve been told time and time again that I must be in a constant state of dehydration because I drink coffee and tea (which are caffeinated).  Everyone from yoga students to family members have yelled “diuretic” in my direction more times than I can count!

So, is it true?  Is coffee and tea a diuretic, and is it dehydrating you at an alarming rate?

Short answer:  No.

Long answer:  Studies suggest that if you are a person that consumes caffeinated beverages on a regular basis, then drinking a cup of coffee or tea is the equivalent of drinking a cup of water.

However if you do not normally consume caffeinated beverages, the coffee or tea would equate to 2/3 cup of water.

This doesn’t mean that you can cut out all water from your diet and replace it with coffee!  The body needs its clean, clear water!

What it does mean is that the next time someone says that coffee is a diuretic that is making you dehydrated, you can be well informed and suggest they look at other studies indicating otherwise, because they are out there!

Happy Water Tallying!

*While this information is pretty well known, I collected this information via the Mayo Clinic and via studies by Dr. Grandjean.

One thought on “Coffee Dehydrates You?

  1. Good for you! I once had a patient who drank 30 cups of coffee per day. It took months to wean her off that amount and allow her to lose weight and maintain a healthier existence.

    Anything is fine in moderation and two cups per day is fine. Coffee has antioxidants and other nutrients but too much depletes your B vitamins whose person is to convert fats, proteins and carbohydrates into energy.

    Yes, it was definitely smart to cut down if you drink too many cups per day. Too much caffeine will also wash away valuable calcium, potassium and magnesium and thus wash away your bones. Blessings,


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