Yes, you can give yourself vitamin B12 injections if youre trained and know how
You feel the effects of B12 soon and the energy that it provides
Below: what 5-Amino-1MQ is, the NNMT/NAD+ mechanism behind it, the benefits research points to, oral vs injection, side effects and what's still unknown, why medical-grade sourcing matters, and how to find out if it's right for you
The mechanism is slow
Studies confirm 50% drops by midlife, linking to aging symptoms.[1][9] Restoring NAD+ has been shown in animal studies to improve lifespan and healthspan, with human trials indicating benefits in muscle function and cognitive performance
There are also cases where patients with low B12 levels have problems with fertility or are more likely to develop dementia