International Journal of Surgery
However, as with any supplement, proper use of glutathione is always recommended
Across the controlled trials Volek's recovery work (PMID 11788381), the 2021 recovery trial (PMID 34684429), the centenarian fatigue trial (PMID 18065594), and the trials pooled in the 2016 weight meta-analysis (PMID 27335245) L-carnitine was generally well tolerated, with adverse events that were mild and did not drive meaningful discontinuation
Results vary based on individual factors including age, baseline hormone levels, diet, exercise, and adherence to protocol
However, if the baseline risk is extremely low, the absolute increase may be very small