Youve been through a pregnancy or two in the last few years or perhaps youre making the transition through menopause
As people age or encounter certain health issues, their intrinsic factor production can decrease, leading to lower B12 absorption from pills
Because these injections are not regulated by the FDA in the same way as medications, there can be variations in quality and composition
During our packaging transition, you may receive products with either our previous or updated label
Location and insurance coverage are also factors
2,9,10 At the start of oral vitamin B12 replacement therapy, close monthly monitoring of laboratory results and symptoms is recommended, thereafter annual monitoring should suffice