B12-conjugated GLP-1 analogs show reduced brain penetration due to the active transport mechanisms that move B12 through specific carrier proteins rather than through passive diffusion
[124] Other causes of B 12 malabsorption include bariatric surgery, pancreatic insufficiency, obstructive jaundice, tropical sprue, celiac disease, inherited intrinsic factor deficiency, and radiation enteritis affecting the distal ileum
Vitamin B12 Injections are used for weight loss, healthy skin, reducing stress, energy booster, and more
If youre taking a supplement or eating fortified foods (such as breakfast cereal), your body can skip the first step of breaking B12 off from the protein, making absorption easier