Symptoms of caffeine overdose and toxicity can include nausea, vomiting, hallucinations, anxiety, rapid heart rate, dizziness, trouble sleeping, and seizures ( 31). Summary

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? Caffeine can be a part of a healthy diet, especially when it’s consumed in moderation,” says Robert Watterson, MD, a Geisinger internal medicine physician. “Everyone reacts differently, but consumption above 400 milligrams is typically when people feel the side effects.” Caffeine: Caffeine was already known by ancient civilisations. They consumed it from natural sources like tea, coffee, cacao beans and cola nuts and appreciated its stimulating effects on the human body. Furthermore, the study noted that energy drinks were twice as harmful to tooth enamel than soft drinks ( 17). May negatively affect kidney healthA can of Red Bull Energy Drink is made with caffeine, 27 g of real sugars, and fresh water sourced from springs in the Austrian and Swiss Alps ( 1). It also has taurine, an amino acid that occurs naturally in the human body and is found in foods like fish and poultry. However, the average half-life of caffeine in the blood ranges from 1.5–9.5 hours, which means it could take up to 9.5 hours for your caffeine blood levels to drop to half of its original amount ( 29). Green tea, yerba mate, coconut water, Kombucha, Ginger-turmeric shot, and Matcha Latte provide a sustained energy boost without the crash. While supporting overall well-being and health, these ingredients enhance mental clarity, alertness, and physical performance. An 8-ounce (240-ml) serving of Red Bull or Monster provides only slightly less caffeine than the same amount of coffee. Additionally, Red Bull has sugar-free options, including Red Bull Zero and Red Bull Sugarfree, which are made with the artificial sweeteners aspartame and acesulfame K instead of sugar ( 3).

B-group vitamins: Vitamins are essential micronutrients that are required for maintaining normal body functions. Ragsdale, F. R., Gronli, T. D., Batool, N., Haight, N., Mehaffey, A., McMahon, E. C., ... & Wilson, T. (2010). Effect of Red Bull energy drink on cardiovascular and renal function. Amino acids, 38(4), 1193-1200. study link Red Bull Energy Drink's special formula contains ingredients of high quality: Caffeine, Taurine, B-Group Vitamins, Sugars, Alpine WaterAdditionally, researchers claim that these changes in heart rhythm can’t be explained solely by the amount of caffeine but were likely due to the combination of ingredients in Red Bull ( 39). One 5-day test-tube study found that exposing human tooth enamel to energy drinks for 15 minutes, 4 times a day resulted in significant and irreversible loss of tooth enamel ( 17).

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). Red Bull Energy Drink is appreciated worldwide by top athletes, students, and in highly demanding professions as well as during long drives. Current recommendations call for limiting caffeine to 100 mg or less per day in adolescents aged 12–19. Therefore, drinking more than one 8.4-ounce (260-ml) serving of Red Bull could increase the risk of caffeine overdose in this age group ( 28). 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). Additionally, research indicates a link between high sugar intake and an increased risk of chronic kidney disease ( 19, 20, 21).

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While the ingredients in Red Bull may provide a boost of energy, they may also cause short- and long-term side effects — especially in larger quantities. Summary 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). One study found that college-aged students who drank energy drinks and alcohol together were more likely to drink and drive and experience serious alcohol-related injuries than when alcohol was consumed alone ( 25). Excess sugar intake, especially from sweetened beverages, may increase your risk of type 2 diabetes ( 14). A change in heartbeat rhythm can lead to certain types of arrhythmias that may result in sudden death, especially in those with high blood pressure or heart disease ( 39).

While current recommendations call for limiting caffeine to no more than 400 mg per day in healthy adults, cases of caffeine-related deaths have primarily been in individuals with unusually high intakes of 3–5 grams of caffeine per day ( 28, 31).Research has shown an association between drinking Red Bull and increased high-risk behavior, especially when combined with alcohol ( 1). It’s also high in several B vitamins, including thiamine (B1), riboflavin (B2), niacin (B3), B6, and B12 ( 2). 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 link