isoelectric point of glutathione and zwitterions Knowledge Bases - Creative Proteomics

doi: 10.1002/j.1552-4604.1973.tb00203.x

Antioxid Redox Signal 8(1112):20612073 Velusamy T, Panneerselvam AS, Purushottam M, Anusuyadevi M, Pal PK, Jain S et al (2017) Protective effect of antioxidants on neuronal dysfunction and plasticity in Huntingtons disease

The cells in the stomach wall secreted an other enzyme, known as antipepsin, which should prevent auto digestion

M Methionine : An essential amino acid that helps the liver process fat and eliminate toxins

If you cant quit smoking, you can mitigate this by eating nutritious foods, taking nutritional supplements and receiving a regular vitamin B12 injection