Oral supplements work for many people, and injections are another reliable option, especially for those who are already symptomatic and confirmed low
Vitamin b12 holds great safety profile and being a water soluble vitamin, it does not accumulate in body so no chance of toxicity is there
You can buy B12 injections online for self-administration but make sure to follow your providers direction
They use a high-pressure, narrow jet of medication, which is forced through a microscopic orifice
Besides injection, their current health status can be improved with a balanced diet
These include how severe the deficiency is, how well the patient responds, and their health conditions