The study, published in Nature, has raised serious health concerns about taurine, a common ingredient found in popular energy drinks like Red Bull, Monster, and Celsius.Researchers have linked taurine to the progression of leukemogenesis — more commonly known as blood cancer.While taurine naturally occurs in the body and in foods like meat and fish, the study found that artificial taurine, especially in concentrated doses, may fuel cancer cell metabolism, accelerating the growth of leukemia by enhancing glycolysis, the breakdown of sugars into energy.

This revelation has left some energy drink consumers uneasy but not entirely surprised. Health concerns around caffeine have long been discussed, but this new data shifts focus onto taurine, an amino acid previously considered harmless.The study suggests caution in consuming taurine supplements, particularly for individuals with or at risk for leukemia. Energy drink companies have not yet commented on the findings, but as awareness spreads, consumers may begin rethinking what’s in their cans—and how it could impact their health.