Munekage E, Takezaki Y, Hanazaki K
The guy at the linked article is doing yearly testing based on given real world loads and relies on donations
Semaglutide is a great example being used for helping type 2 diabetics lower their blood sugar, and then it got to, "Well, now let's help diabetics lose weight, because diabetics struggle with weight, the insulin resistance." Then it became, "Well, even if you're not a diabetic, could you benefit from losing weight?" Heck yes
For bacterial GGTs, further examination of the X-ray crystal structure of EcGGT soaked in glutathione for varying time intervals also demonstrated the formation of -glutamyl enzyme intermediate, indicating that the second step is much slower than the first (Okada et al., 2006)
They also help to protect the lungs