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[DOI] [Google Scholar] 95.Yu W., Tu Y., Long Z., Liu J., Kong D., Peng J., Wu H., Zheng G., Zhao J., Chen Y., et al

Possession for personal research purposes is generally not prosecuted, though sale for human consumption violates regulations

Some fortified foods and supplements also contain B12

In the human body, vitamin B6 is primarily absorbed in the small intestine, where it enters the portal vein and subsequently reaches the liver, then it is converted into PL, PN and PM as well as their respective 5'-phosphates [4]
