If fatherhood is anywhere in your future, even as a distant possibility, protect your fertility first and optimize testosterone second
Human data is still limited, so it is best seen as promising rather than proven and used only under a physician's guidance
The regulatory effect of metformin on the microbiota extends beyond GSH to include microbial metabolites such as short-chain fatty acids (SCFAs), which have been shown to inhibit tumor proliferation and protect against intestinal injury [34,35,36]
Glutathione may help lighten the appearance of dark or red stretch marks by inhibiting melanin production and supporting the body's natural inflammatory response
Subcutaneous is the most common for research purposes, typically injected into fatty tissue (e.g., abdomen or thigh)
The extent of changes after stopping also depends on other factors like diet, hydration, sun exposure, and other skincare habits