It's readily available for cellular use and may be preferable for individuals with certain genetic variations or specific health conditions
For research and laboratory use only
The good news is that severe side effects are very rare, including joint and muscle aches and pains, numbness, and swelling
In such cases, B12 injections bypass the gastrointestinal tract, directly increasing vitamin levels and helping alleviate symptoms like fatigue and neurological issues
These are selected based on your laboratory data and wellness goals, and are not offered as generic boost injections without clinical context
Physical changes like pale skin or a sore tongue, and digestive issues such as loss of appetite or constipation, may also be signs your body needs more B12