Efficacy of a novel formulation of L Carnitine, creatine, and leucine on lean body mass and functional muscle strength in healthy older adults: a randomized, double blind placebo controlled study Nutrition & Metabolism Creatine monohydrate vs. Creatine HCL Both forms boost strength, explosiveness, and muscle performance. Monohydrate: The most researched, proven, and cost effective choice. HCL: Highly soluble, gentler on the stomach, Can We Take L Carnitine and Creatine Together? Prorganiq Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health