L Carnitine Linus Pauling Institute Oregon State University Impact of sleep disorders on mental health: A systematic review The leading ingredient in any energy drink is usually caffeine. Most of them contain herbs, caffeine, and other substances. Many energy drink brands claim to be supplements. The FDA doesn't approve energy L Carnitine and Sleep: Does It Affect Rest or Sleep Quality? L Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review Ginseng offers potential benefits, but high doses may cause side effects like insomnia & high blood pressure. Pregnant or lactating women: Avoid use and consult your doctor. #SFDA