iron dextran and vitamin b12 injection VITADEX - 200 China High reputation Vitamin B12
Description
Vitamin B12 in Health and Disease. Nutrients 2, no

at a dose of 500 g twice a week, 56 a dose lower than in most other trials

The normal range is 200-1100 pg/mL

Honestly, though, this is one area where cutting corners can lead to catastrophic experimental failure
