Will taking L Carnitine while taking Creatine Monohydrate have any mixed effects? As in will the water retention from the creatine be canceled out by the carnitine's effects? L Carnitine and Creatine are both game changers for fitness, but they each shine in different ways! SAVE this as your quick guide! L Carnitine, found in red meat, fish, and chicken, supports fat Creatine safe for kids? As a sport dietitian, here's my take. Creatine seems well tolerated by youth, with no early studies reporting adverse effects. Yet, uncertainties remain How safe is The Right Way to Take L Carnitine to Boost Your Training