Why weight
In humans, GSH is present in a high concentration (1-10 mM) 107 and it is involved in cell differentiation, senescence and death, detoxification of xenobiotics, regulation of enzymatic activity, and synthesis of proteins and nucleotides
In the eye, activation of M3 receptors causes contraction of the ciliary muscle, opening the trabecular meshwork and enhancing aqueous humor outflow, thereby reducing intraocular pressure
In one case, a pharmacy used dietary supplement grade glutathione powder (intended for oral use) to make injectable drugs
Phytotherap Res 29(6):796804 Sulastri E, Zubair MS, Anas NI, Abidin S, Hardani R, Yulianti R (2018) Total phenolic total flavonoid quercetin content and antioxidant activity of standardized extract of Moringa oleifera leaf from regions with different elevation