This 24-week clinical trial demonstrated that supplementation with Glutathione precursors (GlyNAC) in 8 generally healthy individuals boosts GSH levels and improves oxidative stress, mitochondrial function, inflammation, physical and cognitive function
in fact, an estimated 95% is thought to be reabsorbed by the kidneys (1)
Sharma E, Sharma R, Borah P, Jain M, Khurana JP
Judging the medication after 4 or 8 weeks, when you are still on a fraction of the therapeutic dose, is like judging a marathon after the first mile
This makes it relevant to people stuck with stubborn fat despite diet and exercise
The short answer: Resistance training plus creatine produces a small increase in lean mass and strength compared to training alone