any side effects from vitamin b12 injections Shots: B12 Benefits, Uses, Risks Common & Rare Side Effects
Description
This byproduct of amino acids decreases the production of the mentioned neurotransmitters

Once reconstituted, refrigerate at 28C and use within 28 days
Some practitioners theorize that local abdominal injection may enhance regional fat mobilization, though this has not been conclusively proven in research

Gut 64 (6), 872883