While glutathione is present in certain foods like spinach, avocados, and asparagus, dietary intake often isnt enough to produce visible skin-lightening effects or deliver significant detox benefits
Sen D, SoRelle ED, Liba O, Dalal R, Paulus YM, Kim TW, et al
It is not approved by the FDA for clinical use, diagnostics, or therapeutic procedures in humans or animals
IM injection is generally preferred for larger injection volumes (typically 0.5-2mL) as muscle tissue accommodates greater fluid volumes with less discomfort than subcutaneous fat
One study of 125 patients with colorectal cancer found significantly higher IGF-1 levels in those with more advanced cancers compared to those with lower grade cancers (20)
Glutathione is an antioxidant your body already produces