its just not as common as its research-grade counterpart
If you are looking to improve your health, I highly recommend Quicksilvers Liposomal Glutathione Olga Have been using Quicksilver liposomal glutathione for 2 months in my regiment and am noticing a positive difference in my health
C3G not only attenuates cellular and tissue oxidative stress but also reduces Fe 2+ levels, inhibits nuclear receptor coactivator 4 (NCOA4) expression, and concurrently regulates transferrin receptor protein 1 (TfR1) downregulation and ferritin heavy chain 1 (FTH1) upregulation
Ingredients Glycine, Molybdenum (as Molybdenum Citrate), Selenium (from L-Selenomethionine), N-Acetyl-L-Cystine Ethyl Ester (NACET) Other Ingredients: Vegetable cellulose (capsule), vanillin, silica, peppermint
The plastic in syringes can sometimes cause peptides to adsorb or degrade over time