L Carnitine: The Energy Booster Your Body Loves Turn fat into fuel and power up your recovery with one of our favorite performance vitamins. Boosts metabolism & fat burning Did you know that Melatonin is contraindicated when you are on immune suppression like Cellcept or steroids? Melatonin reduces the circulating levels of the medications in your blood, which can cause efficacy Effects of Oral L Carnitine Administration in Narcolepsy Patients: A Randomized, Double Blind, Cross Over and Placebo Controlled Trial PLOS One Acetyl l Carnitine in the Treatment of Peripheral Neuropathies: A Narrative Review Pain and Therapy Springer Nature Link