While L-carnitine is a naturally occurring amino acid there are strict rules governing its use under World Anti-Doping Agency rules with infusions or injections only permitted provided the volume is below 50ml every six hours
Dimidi E, Mark Scott S, Whelan K
Mammalian thioredoxin reductase: oxidation of the C-terminal cysteine/selenocysteine active site forms a thioselenide, and replacement of selenium with sulfur markedly reduces catalytic activity
He, like me, was diagnosed with severe Crohn's Disease when he was young, flaring every month, in and out of hospital, and like most people with Crohn's and inflammatory bowel disease, was told that you're going to be on a long list of prescription medications for the rest of your life to keep this under control
Reduced Pancreatic Volume and -Cell Area in Patients with Chronic Pancreatitis