recommended dosage of vitamin b12 injections Dosage: How Much Should You Take per Day? Vitamin B12 Injection: Energy Boost
Description
it could be 1 month, 3 months, or longer-term

In short, B12 injections work, but differently based on your starting point: For those with low levels

Headaches, nausea, and dizziness that occur early in use usually diminish as the body adjusts

B12 Injections are administered under medical supervision to support your health goals
