Herbal supplements may seem safe because they are natural, but for people with chronic kidney disease (CKD), they can pose serious risks. They may harm your kidneys, interact with medications, or increase If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. Efficacy of L carnitine supplementation for improving lean body mass and physical function in patients on hemodialysis: a randomized controlled trial European Journal of Clinical Nutrition Creatine & Acetyl L Carnitine Energy Plus, 0.51 lb History of L carnitine: Implications for renal disease Journal of Renal Nutrition