supplements with glutathione L-Glutathione 250 mg Dietary Supplement Reduced L-Glutathione Double Strength -
Description
Tissue-specific enhancement of xenobiotic detoxification enzymes in mice by dietary rosemary extract

But to understand why its particularly bad for a peptide protocol, we need to look past the generalities and focus on the specific systems it disruptsthe very same systems you're trying to enhance
All experiments were performed according to the manufacturer's protocols, and the primer sequences used were presented in Table I

It forms a tripeptide made up of three amino acids: glutamine, cysteine, and glycine

The rationale for combining them is mechanistic
