For vegetarians, fortified foods like breakfast cereals, plant-based milk, and nutritional yeast can provide B12
Oxalate formation from glyoxal in erythrocytes
For naturally occurring B12 in food, the presence of gastric acid, pepsin, and intrinsic factor is essential for liberation and absorption
Kim YC, Hsueh HT, Shin MD, Berlinicke CA, Han H, Anders NM, Hemingway A, Leo KT, Chou RT, Kwon H, Appell MB, Rai U, Kolodziejski P, Eberhart C, Pitha I, Zack DJ, Hanes J, Ensign LM
Novel localization of folate transport systems in the murine central nervous system
Viagra: The Key Difference Viagra and similar medications work peripherally