The problem is that both are water-soluble, your body doesn't store them in large amounts, and when taken orally, only a fraction survives digestion
The IADVL 2017 Position on Skin Lightening Agents takes a careful line on intravenous glutathione: the FDA has not approved it for cosmetic indications, the dermatology evidence base shows modest tyrosinase-inhibition effect with topical pigment control doing most of the visible work, and the off-label cosmetic use sits firmly outside a curative claim
Tests and Reviews of Popular Elderberry Supplements & CL's Top Picks
Chang CH
Note: If you are pregnant, nursing, or taking medication for a diagnosed condition, always talk to your healthcare provider before adding high-dose glutathione to your routine
Recently a new peptide called retatrutide has been developed which, in our opinion, will be shown to have even more enhanced effects