WuSFengPLiWZhuoSLuWChenPet al
Being a vegetarian or vegan : This group consumes less foods that are naturally high in vitamin B12, such as beef and poultry (and sometimes dairy and fish too), which means their intake of vitamin B12 is lower whether their absorption is adequate or not
5 Amino 1 MQ (10mg) 5-Amino-1MQ is a small-molecule quinolinium analog studied in laboratory settings as an inhibitor of the enzyme nicotinamide N-methyltransferase (NNMT)
Based on the data available in 2015, EFSA did not identify any known health risks associated with the use of dietary supplements, so no maximum dose or maximum daily intake, also known as a tolerable upper intake, was set (EFSA, 2015)
Sources: Hangovers - Symptoms and causes | The Mayo Clinic Drug Bioavailability - StatPearls | NCBI Bookshelf
doi:10.1038/sj.ijo.0801740 Mor MI, Kenley D