Even when not paired with alcohol, observational studies indicate that in young adults, regular intake of energy drinks like Red Bull is linked to an increased risk of alcohol dependence and illicit drug use ( 22, 26, 27). Many factors affect how much caffeine you have to consume for it to be dangerous and potentially life-threatening. Several studies in healthy adults have shown that drinking one 12-ounce (355-ml) can of Red Bull significantly increased blood pressure and heart rate levels within 90 minutes and up to 24 hours after consumption ( 6, 7, 8, 9). Red Bull is an energy drink brand founded in Austria in 1987. It made its first appearance in the UK in 1993. The classic version is a sweet carbonated beverage with balanced notes of citrus and a tangy sour aftertaste. Red Bull Ingredients

Excess sugar intake, especially from sweetened beverages, may increase your risk of type 2 diabetes ( 14). Alford, C., Cox, H., & Wescott, R. (2001). The effects of red bull energy drink on human performance and mood. Amino acids, 21(2), 139-150. Study linkAdditionally, research indicates a link between high sugar intake and an increased risk of chronic kidney disease ( 19, 20, 21). In fact, a review in 310,819 adults found that drinking 1–2 servings of sugar-sweetened beverages per day was associated with a significant 26% increased risk of type 2 diabetes ( 14).

When consumed together, caffeine in Red Bull can mask the effects of alcohol, making you feel less intoxicated while still experiencing alcohol-related impairments ( 22, 23, 24). Despite these increases, moderate and occasional intake of Red Bull is unlikely to cause serious heart problems in healthy adults. It’s tempting to keep grabbing energy drinks as grogginess hits you throughout the day, but experts don’t recommend it. Healthy adults shouldn’t have more than one energy drink per day—and children shouldn’t consume them at all. While occasionally drinking Red Bull is unlikely to have any serious effects on kidney health, research suggests that chronic and excessive intake could. Up to 400 mg of caffeine per day is generally safe. 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).Red Bull comes in 4 sizes but many think it’s 3. Red Bull can sizes have the following can dimensions: In some countries like the Philippines, Red Bull also comes in 150ml (5.07 fluid oz.) and 250 ml. (8.45 fluid.oz.) glass bottles. In Australia, there is the 330 ml. (11.16 fluid. oz.) aluminum bottle. Why does Red Bull use tall and slim cans? One 250 ml can of Red Bull Energy Drink contains 80 mg of caffeine, about the same amount as in a cup of home-brewed coffee. A 12-week study in rats found that chronic intake of Red Bull may cause a decline in kidney function. However, these results have not been replicated in human studies ( 18).

Coffee has more caffeine than Red Bull, with around 100 mg per brewed 250 ml cup. However, the amount of caffeine in coffee may be influenced by the type of coffee beans, the level of roast, and the brewing method. Candow, D. G., Kleisinger, A. K., Grenier, S., & Dorsch, K. D. (2009). Effect of sugar-free Red Bull energy drink on high-intensity run time-to-exhaustion in young adults. The Journal of Strength & Conditioning Research, 23(4), 1271-1275. study link So, how many energy drinks is too many? According to experts, healthy adults should limit their energy drink intake to roughly one can per day because they are loaded with synthetic caffeine, sugar, and other unnecessary ingredients that can do more harm than good. Red Bull Energy Drink's secret to success appears to be their early inroads into bars and clubs for use in mixed drinks and its early sponsorship of extreme sports with their famous slogan: Red Bull Gives You Wings... Science Behind Red Bull

Is it OK to drink 4 energy drinks?

Research has shown an association between drinking Red Bull and increased high-risk behavior, especially when combined with alcohol ( 1). In fact, most people should avoid these beverages or limit their intake. Instead, try to consider healthier alternatives like coffee or tea to boost your energy levels. Summary Taurine: Taurine is an amino acid, naturally occurring in the human body and present in the daily diet. It is involved in a wide range of biological processes.