Should I Take Creatine on Rest Days? MuscleTech Honestly, my body has changed since Ive been consistently using SNAPS L Carnitine Gummies and focusing on getting STRONG vs SKINNY! Its been almost a year now and I can see a big difference in the L Carnitine & Muscle Soreness Relief Advanced Molecular Labs Acute L Carnitine Supplementation Does Not Improve CrossFit Performance: A Randomized, Double Blind, Placebo Controlled Crossover Study Acute L Carnitine Supplementation Does Not Improve CrossFit Performance: A Randomized, Double Blind, Placebo Controlled Crossover Study