the health benefits of glutathione in Our Diet and Its Role in Body: From Disease Prevention to Anti-Aging Gluathione: A Super Antioxidant -
Description
It is not known whether the current NAC treatment protocol is optimal

Maintaining muscle mass: By improving metabolism and optimising energy expenditure, there is a possibility that the body will be more inclined to use fat rather than muscle protein during weight loss

What is, what's prevent, what's preventing that

If a heavy menstrual cycle or ulcers cause the deficiency, your doctor may prescribe antibiotics or contraceptives

Packaging is the first thing to check
