In fact, most people should avoid these beverages or limit their intake. Drinking just one of these energy drinks daily can cause you to consume too much added sugar, which is bad for your overall health ( 2).īecause of these downsides, children, pregnant women, and those with heart problems or sensitivities to caffeine should avoid energy drinks. Monster contains 28 grams of sugar per 8.4-ounce (248-ml) can, which is comparable to Red Bull. This equates to nearly 7 teaspoons of sugar. For optimal health, added sugars, such as those in energy drinks, should be limited to no more than 5% of your daily calorie intake ( 14, 15, 16, 17).Īccording to the Red Bull website, a classic 8.4-ounce (248-ml) can of Red Bull contains 27 grams of sugar.

Particularly in younger people, excessive energy drink intake has been linked to abnormal heart rhythm, heart attack, and - in some rare cases - death ( 1, 12, 13).Įnergy drinks are also high in sugar, which is associated with obesity, dental problems, and type 2 diabetes. In addition, more research is needed to fully understand the risks and benefits of consuming large amounts of some of the other energy-boosting components in energy drinks, such as taurine ( 11).

Still, drinking more than four, 8-ounce (240-ml) servings of energy drinks per day - or two, 16-ounce (480-ml) cans of Monster - may cause negative effects due to excess caffeine, such as headache or insomnia ( 9, 10). Up to 400 mg of caffeine per day is generally safe. Energy drinks, such as Red Bull and Monster, have certain drawbacks that should be carefully considered before you decide to drink them regularly.Īn 8-ounce (240-ml) serving of Red Bull or Monster provides only slightly less caffeine than the same amount of coffee.

One red bull caffeine