can you take a b12 injection at night Dosage and Frequency: 7 Guidelines for Adults Vitamin B12 Injection Dose for
Description
B12 shots are not only a fantastic way to boost energy, but they also enhance cognitive function, support vision health, and reduce the risk of age-related conditions like osteoporosis, macular degeneration, and cardiovascular disease

Polycythemia vera has also been reported with parenteral methylcobalamin
Vitamin B12 appears in the milk of nursing mothers in concentrations that approximate the mother's vitamin B12 blood level

While it's one of the largest muscles, it can be hard to access alone, so you'll need a partner

Without enough B12, you may experience fatigue, brain fog, low mood, or even anemia