what is unusual about glutathione's structure Glutathione Transferases Are Structural and Functional Outliers in the Thioredoxin Fold Glutathione - Wikipedia
Description
And yes, this alone may be what causes your leaky gut and your subsequent Ulcerative colitis

Many beginners fall into the trap of buying highly concentrated vials online without understanding how the compound actually behaves in human tissue

Quality determines outcomes more than any other factor

Most peptides are not on that list and therefore are ineligible to be sold as supplements
