Giving it by IV specifically to lighten skin is an off-label, poorly evidenced use, and bodies including the US FDA have warned about injectable skin-whitening products
For skin health, it inhibits the key enzyme in melanin production, leading to more even skin tone
Root-cause medicine: We do not treat in fragments
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However, the evidence is modest , especially for cosmetic uses like skin-whitening, and the side-effects , while usually mild, must be taken seriously especially in certain populations (asthma, pregnant, on chemotherapy, etc.)
By combating free radicals (molecules that can damage your bodys cells), Glutathione helps fight off high levels of oxidative stress