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X-ray crystallography and NMR spectroscopy have established that copper coordinates through a 3N1O equatorial square-planar pyramid configuration: the histidine imidazole nitrogen, the glycine -amino nitrogen, and the deprotonated amide nitrogen of the glycine-histidine peptide bond, with additional oxygen coordination from neighboring complex carboxyl groups
T., Hu, P
This method of administering B12 allows it to bypass the digestive system, ensuring better absorption than taking a dose orally
McGuire FP, et al
Lipotropic and B12 Injections aren't just shots in the dark
Acne can be triggered in one in ten people who get vitamin B12 injections
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