The potential dangers usually come down to a company's operational processes, but sometimes (as with Doctor's Best), the product includes additional ingredients with higher side effect profiles than glutathione
Cokluk E, Sekeroglu MR, Aslan M, Balahoroglu R, Bilgili SG, Huyut Z
The duration of results depends on lifestyle and maintenance sessions
You can also think of GSH as the active, working form of the molecule
However, glutathione also promotes cell health by counteracting the effects of oxidative stressors and other biomolecules that damage DNA
Combats Signs of Ageing: Glutathione helps slow down the visible signs of ageing, like fine lines, wrinkles, and sagging skin, by neutralising free radicals and supporting collagen production