mthfr gene and glutathione fertility Role of the MTHFR gene

Characterization of the active site cysteine residues of the thioredoxin-like domains of protein disulfide isomerase

Neurology (2007) 68(16 Suppl 2):S2336

In general a full experiment for studying CBS would require measurement of CBS activity, of cysteine, study of the glutathione pathway and of hydrogen sulfide

However, significantly positive effects of the biotics intervention on other markers of renal function, such as eGFR, serum albumin, C-reactive protein, IAA levels, and lipid metabolites, were not observed (Liu et al., 2022)

Avoids unnecessary additional ingredients , keeping a 'clean label' formulation respectful of the compounds sensitivity