where to inject vitamin b12 Injections at Home - Safety Guide for Self-Administration B12 Injections for Energy: Benefits

Injections may be recommended for individuals who have difficulty maintaining healthy B12 levels through diet or oral supplements

In comparison, oral B12 supplements must first pass through the digestive system

Symptoms of vitamin B12 and folic acid deficiency anemia include: Shortness of breath Headache Indigestion Loss of appetite Heart palpitations Vision problems Feeling weak or tired Diarrhea Pain or redness of the tongue, sometimes with mouth sores Problems with memory, comprehension, and judgment (cognitive changes) Some of these symptoms may also occur in people who are deficient in vitamin B12 or folic acid but are not anemic

Here are the specifics for needle size selection for SC injections: Needle Gauge : 25-27 Gauge : For SC injections, a thinner needle is used