standard dose for vitamin b12 injection Monthly Injection: Typical & Schedule A Guide to Vitamin B
Description
In older age, vitamin B12 absorption tends to be less efficient due to a range of health issues, including gastritis stomach lining inflammation and thinning but also because of decreased production of stomach secretions (EFSA, 2015

PMID 26185175

Bread and butter
Here are the basics: Vitamin B12 is vital for the nervous and immune systems

Never double dose

Avoid exposure to direct sunlight or heat
