does vitamin b12 injection hurt vs IV Therapy: Honest Comparison Vitamin B12 Injection Pain- 7

How often should I get the injections

Interestingly, the most popular answer was to treat with IM, not oral vitamin B 12

Declining NAD+ impairs energy, metabolism, skin health, and immunity, accelerating biological aging.[12][13] Research indicates that this loop can be interrupted by boosting NAD+, potentially reversing aspects of biological age as measured by epigenetic clocks

In this setting, oral replacement will also be interest to avoid painful and administration difficulties

Serum B12 alone can be misleading, while methylmalonic acid levels offer a more accurate assessment of whether the body is utilizing available B12