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10.1007/s00401-009-0483-6 192

Other risk groups include older adults, pregnant women, people taking metformin or long-term acid-suppressing medications (PPIs, H2 blockers), those with conditions affecting the gastrointestinal tract (pernicious anaemia, Crohn's disease, coeliac disease), and individuals who have undergone gastric or ileal surgery

[PMID: 12568923] PubMed record related to this compound for laboratory literature review

It also acts as a mild penetration enhancer by helping active ingredients absorb slightly better

Sehgal, V

Antiviral and Immunomodulatory properties of new pro-glutathione (GSH) molecules