vitamin b12 injectable vials Injections Cyano is a form of vitamin B12 that is man Vitamin B12 Injection: Energy Boost
Description
Formulas can vary by provider, but many include B12 and additional nutrients that support fat metabolism and energy production

The Journal of biological chemistry

The most common adverse events are gastrointestinal: nausea (occurring in 12-33% of subjects depending on dose), diarrhea, constipation, and decreased appetite

It is prescribed to rebuild depleted stores and repair nerve damage, not for general daily nutrition
