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The peptide maintains gastric mucosa integrity continuously, functioning as a natural protective agent against damage from various sources
This applies to testosterone, Vivitrol, biologics, and specialty medications that patients obtain through a specialty pharmacy and bring to the office
Usually, B12 is absorbed once it is attached to the protein intrinsic factor (IF), made by cells in the stomach
It is classified as a vitamin, as it is an essential nutrient for the human body and is regularly obtained from the food we eat
Pernicious anaemia , an autoimmune condition affecting approximately 0.1-0.2% of the UK population (higher in older adults), destroys gastric parietal cells that produce intrinsic factora protein essential for B12 absorption in the terminal ileum
