half life of vitamin b12 injection Hydroxocobalamin IV. Biological Half-Life Hydroxocobalamin in the Human Liver 6 and folate may be linked to depression.” Studies may be inconclusive How Long Do Vitamin B12

Because of these properties, B vitamins have been documented to promote fat gain

In 22 24-month-old mice given 10 mg/kg once daily for 8 weeks, sedentary animals gained roughly 40% grip strength over controls, and animals that also exercised gained about 60%

Most available studies are small, uncontrolled, or industry-sponsored

The Institute of Medicine reports that no adverse effects have been associated with excess vitamin B12 intake from food and supplements in healthy individuals. However, if youre not deficient in vitamin B12 to begin with or you dont address the underlying reasons you might be deficient, injections likely wont do much to improve overall quality of life