In the duodenum, pancreatic enzymes degrade the R-protein-B12 complexes, freeing B12 to bind with intrinsic factor (IF) , a glycoprotein produced by gastric parietal cells in the stomach lining
The levels of 1,25(OH) 2 VD are regulated by the circulating PTH concentrations [24], while the biological actions of 1,25(OH) 2 VD depend on the status of the VDR in the target tissues [25]
Though magnesium is available in certain foods (nuts and seeds are good choices), and while eating a magnesium-rich diet is highly recommended, keep in mind that only about 30% of the magnesium from food is effectively absorbed
10.3389/fphar.2016.00479 48 GaoL.ZhangQ.LiS.ZhengJ.RenW.ZhiK
It is a broad-spectrum target against several virulence factors
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