If you would like to go deeper into my own story of healing through chronic illness, my book Unexpected: Finding Resilience through Functional Medicine, Science, and Faith walks through the science and the soul of this work together
Harrison SA, Browne SK, Suschak JJ, Tomah S, Gutierrez JA, Yang J, et al
Scher HI, Jia X, de Bono JS, Fleisher M, Pienta KJ, Raghavan D, Heller G (2009b) Circulating tumour cells as prognostic markers in progressive, castration-resistant prostate cancer: a reanalysis of IMMC38 trial data
L-carnitine is the most common form used in supplements, though other variants like acetyl-L-carnitine (ALCAR), propionyl-L-carnitine, and L-carnitine L-tartrate also exist
However, much of what DXA scans label as lean mass includes water, glycogen, and intramuscular fat