Dng reduced glutathione (L-Glutathione dng kh) l dng hot tnh trc tip, trong khi dng liposomal s dng cng ngh vi bao phospholipid bo v hot cht qua h tiu ha, t tng sinh kh dng ng k
M.HooverJ.NakamuraR.EcholsR.RittenhouseS.et al
If that would not be enough there is also a 2011 research paper saying that based on in-vitro (made in the lab, not on real people) findings Zinc PCA might be a promising anti-aging active that helps with the production of type I collagen (and we all know more collagen = firmer skin)
POWERFUL ANTIOXIDANT BLEND: Combines Glutathione with Vitamin C, Vitamin E, Alpha Lipoic Acid, Grape Seed Extract and NAC antioxidants that help fight free radicals and oxidative stress, supporting healthy, youthful-looking skin
Effect of diet on liver glutathione and glutathione reductase
Haimi J, Dolbeare F, Andreeff M