Although oral GSH supplementation has poor bioavailability [4], N-Acetyl Cysteine (NAC) has been shown to successfully raise plasma glutathione levels in those with schizophrenia [5]
This means the FDA has not reviewed it like an approved prescription drug for safety, effectiveness, and quality
Bhattacharya A, Tiwari P, Sahu PK, Kumar S (2018) A review of the phytochemical and pharmacological characteristics of Moringa oleifera
However, Vaidya Mishras transdermal creams route of administration avoids these potential concerns by bypassing the digestive system, instead entering the bloodstream through the skin
Poison control should be involved early when the dose is unknown, the timeline is unclear, the product is extended-release, or the patient has a repeated ingestion pattern