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The enteric nervous system modulates mammalian duodenal mucosal bicarbonate secretion

It effectively meant that substances nominated for compounding even unproven drugs could be made and marketed by qualified pharmacies while the FDA pondered the nominations

2023 Dec 1;2(4):100299

This impairment of DNA synthesis affects the rapidly dividing cells of the bone marrow earlier than other cells, resulting in the production of large, immature, hemoglobin-poor red blood cells (macrocytosis), as well as effects on white blood cells, including abnormal (hypersegmented) neutrophils and reduced overall cell counts (pancytopenia)

That ability to send targeted instructions rather than creating broad, systemic effects is exactly why peptides are such an attractive tool in functional medicine

This review will dissect exactly where they succeed and where there is still room for optimization