B12 plays a role in cellular energy metabolism, and some providers argue that ensuring optimal B12 levels helps mitigate treatment-related fatigue, particularly in patients who were subclinically deficient before starting
This is why patients with neurological involvement are often maintained on a more frequent schedule (every 2 months rather than every 3 months)
Factors That Affect How Long B12 Injections Last Several factors may influence how long the effects of a B12 injection last in your system, potentially explaining why some patients require more frequent injections than others, even with the same underlying condition
Some people also report transient lightheadedness or mild nausea after an injection
But just a few years ago, unless you were a bodybuilder, you had probably never heard of peptides
What is the best way to take B12