Why Does Green Tea Dehydrate You?

July 20, 2020

Why Does Green Tea Dehydrate You?

Since there’s caffeine in green tea, many believe that it dehydrates drinkers but is this true? Everyone assumes that caffeine-containing drinks automatically cause dehydration because of the diuretic effect. It makes sense to believe that but according to medical studies, green tea rehydrates you. How come? We will find out.

Is Green Tea Recommended for Hydration?

When you drink, your body is already taking much fluid as it needs then you will pee to expel the extra fluids. In short, teas increase urine production but do not cause to lose more fluids. The British Dietetic Association recommends tea for hydration. Their studies show that dehydration happens when very high doses of caffeine is consumed. According to studies and The University of Maryland Medical Center, the recommended green tea drinking is no more than 2-3 cups per day. This recommended dosage has around 240-320 mg of polyphenols (a.k.a. flavonoids) where tea drinkers can get the best healthy benefits of green tea without the overconsumption of caffeine and dehydration. Those flavonoids have antioxidant and anti-inflammatory properties and helps in digestion, relaxation, weight loss and dissolves plaques in blood vessels. From the National Institutes of Health (NIH) articles, you will have a significant diuretic effect if you consume at least 6-13 cups each day which is obviously might not only cause dehydration but increase in heart rate and blood pressure, headache, and insomnia. In general, tea is one of the best healthy natural alternative drinks for water.

Caffeine and Catechin in Green Tea

Green tea has mild caffeine, it is safe to drink it in moderation and it is unlikely to cause dehydration. Caffeine can help you stay alert and burn more fat when you drink before exercise.

Aside from caffeine, green tea has EGCG, known as catechin, where it helps in breaking fats and then move those fats in the bloodstream to make muscles more active. Consuming tea makes you relax and calm. If you are craving for an extra snack, green tea suppresses your appetite and you will feel full after just 1-2 cups of tea. Green tea has more benefits and having caffeine does not mean it causes dehydration. Yes, it is true that it causes more bathroom visits to flush out extra sodium and water but sipping moderate cups of green tea does not contribute that much to your fluid intake and does not have a dehydration effect.

According to Dr. Daniel Vigil clinical professor at the David Geffen School of Medicine at the UCLA, if you find yourself with headaches or other symptoms, you may just sensitive to caffeine or dehydrated that is nothing to do with your tea habit.

Why Green Tea Rehydrates?

The unique health property that can be found on teas but not on any other beverages is the high flavonoid content that is an excellent source of hydration. It is also an antioxidant where it can help you flush toxins out of your body. In short, aside from being a healthy fluid, green tea also contains additional health benefits than other fad caffeinated drinks.


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