5-amino 1mq guide Capsules Comment "Curious" for the full
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doi: 10.1016/0167-0115(84)90028-4
Oral contraceptives: may decrease serum vitamin B12 concentrations
But there is no published human study measuring how much of an oral dose actually reaches the bloodstream
These values provide a safer framework for symptomatic people who fall within the lower end of the vitamin B12 normal range (200500 pg/mL)
