, a registered dietitian who works with people with digestive disorders, tells SELF.
When you mix the two, caffeine can cover up the sedating effects of alcohol, says Sauceda. This can mask the warning signs of having taken in a little too much booze, like slow responses and mental fogginess, she explains. So it could make you think you can drinkPlus, the combination can increase heart rate and blood pressure, Sauceda says, which can raise the risk of heart attack or other issues, especially in folks with hypertension.
To our surprise, it turns out that their new beverages don’t quite pack in as much caffeine as you may think. One of their 12-ounce iced coffee beverages comes in at, while their 12-ounce teas have anywhere between 15 and 30 mg. That puts them roughly on par with a 12-ounce can of Coke, which has 34 mg. In comparison, the company’s 13-ounce iced coffee bottles contain 197 mg.