Drinking Red Bull, the vitamin-flavored drink, will not cause beard growth. Generally, excessive androgen metabolism and long-term topical glucocorticoid topical application will cause beard growth. But Red Bull does not contain androgens or glucocorticoids, so it will not grow a beard. Take a brand of functional beverage as an example, each 100 grams of beverage contains 45 calories, of which 10.06 grams of sugar, 0.25 grams of protein, 0.08 grams of fat, calcium 13 mg. It can be seen that most of the calories in the drink come from carbohydrates, other nutrients are less, the nutritional structure is relatively single. Even so, it is not recommended to drink too much vitamin-flavored drinks. Vitamin Flavored Drinks are functional beverages that can be consumed occasionally to relieve fatigue, but it is not recommended to consume them more often because they contain many additives. Vitamin-flavored beverages contain a lot of sugar, and if consumed regularly, the intake of added sugar will be excessive. Vitamin flavored drinks contain caffeine, after drinking Red Bull, this kind of substance will produce a certain stimulation of the nerve center of the human brain, with the effect of relieving fatigue, but vitamin flavored drinks drink too much, because it contains caffeine, so it will cause insomnia if you drink it at night. The best beverages for daily hydration are plain water, green tea, and flower tea without added sugar.