Catalase enzyme mutations and their association with diseases
Pure glutathione is relatively unstable in aqueous solutions, which is why many manufacturers add stabilizers and preservatives to extend the product's shelf life
Acetaminophen in doses above 2g/day (saturates sulfation and glucuronidation, depletes glutathione catastrophically) R Alcohol (depletes glutathione, NAD+, SAM-e, and directly damages hepatocytes) R Charcoal-grilled meats (heterocyclic amines that undergo bioactivation via sulfation and acetylation, generating DNA-reactive intermediates) R Chronic NSAID use (competes for glucuronidation and amino acid conjugation pathways) Excess fructose (depletes ATP and drives uric acid production, impairing energy-dependent conjugation) R Glyphosate residues on non-organic produce (disrupts glycine metabolism and chelates manganese) R High-dose turmeric or quercetin without cycling (both inhibit SULT1A1 and can paradoxically impair sulfation at high sustained doses) R Processed foods with benzoate preservatives (benzoic acid consumes glycine through conjugation, depleting the glycine pool for other Phase II reactions) R Proton pump inhibitors chronically (reduce magnesium absorption, impair glucuronidation) R Testing These tests can help identify which conjugation pathways are impaired and what is contributing to the dysfunction
In addition, asparagine enhances glutamine biosynthesis and epithelial-mesenchymal transition, contributing to breast tumor cells metastasis, especially in the absence of extracellular glutamine [5, 37]
Pham D, Tan X, Xu J, et al
Young RE, Huh DD (2021) Organ-on-a-chip technology for the study of the female reproductive system
