The injectable form achieves therapeutic levels immediately, whereas oral supplements require weeks of consistent dosing
A well-planned, varied, vegan diet, including B12 fortified foods and supplements, not only meets your requirements but provides a healthier source than does meat or dairy, setting you up for a healthy old age.
Sucrosomial() Iron: an updated review of its clinical efficacy for the treatment of Iron deficiency
NNMT overexpression is associated with obesity and insulin resistance
Vitamin B12 is not considered dangerous for most men, but excessive supplementation may mask underlying health issues, such as folate deficiency, if not managed with proper medical supervision
B12 does not store like some other vitamins