Its called ochronosis, and its characterized by areas of gray-blue or blue-black discoloration that are hard to treat or even permanent
However, in general, it has been analyzed that when given GSH, the spot from the areas including face and arms have been minimized
Vitamin A and C can produce collagen to improve the skins elasticity, and fatty acids can help protect the skin barrier
Ziad Hijazi: has received lecture and consulting fees from Bayer, Bristol-Myers Squibb, and Pfizer, and receives research support from Hjrt-Lungfonden (The Swedish Heart Lung Foundation)
Products have not been evaluated by the Food and Drug Administration (FDA)
The science of acquired mitochondrial dysfunction validates what you already know: your fatigue is not in your head