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Fe 2+ is stored in enterocytes as part of FTN when body iron levels are adequate or high
Research shows it modulates immune responses in the gut, strengthens intestinal barrier function, and influences the signaling environment around enteroendocrine cells, which include the L-cells that produce GLP-1
The strongest support comes from clinical evidence focused on treating vitamin B12 deficiency, not from general wellness claims What science supports The NIH Fact Sheet for Health Professionals shows that intramuscular B12 injections are effective at raising blood B12 levels and correcting deficiency
T., Tveit, M
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