However, here is what researchers typically use in trials: General Antioxidant Support: 2501,000 mg/day (WebMD)
"It has been quite difficult, to be honest with you, trying to get it for our patients who are diabetic, who need it, but then also for our patients who have obesity, who need it as well," Shelly says.
The parent molecule is a larger protein called BPC (Body Protective Compound) that was first isolated from human gastric juice in the 1990s by a research group at the University of Zagreb
Glutathione is recommended to be taken first thing in the morning, on an empty stomach or at least 10-minutes before a meal, in a liposomal form, and held in the mouth for ~30 seconds before swallowing if in a liquid form
Having said that, sulfur sensitive people need to take heed if you are going to use this patch, your sulfur intolerance will EXPLODE unless you take measures to keep it low
Khin, P