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Our bodies dont make Vitamin B12, it is obtained from foods such as meat, fish, milk and eggs
Now, your vial contains 20mg of peptide dissolved in 4mL of liquid
Vitamin B12 is also added to some breakfast cereals, breads, and other fortified food products
They are among the most clinically studied peptides in modern medicine
This autoimmune condition occurs when the body produces antibodies against intrinsic factor, a protein secreted by gastric parietal cells that is essential for B12 absorption in the terminal ileum
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