There are no other absolute contraindications reported for hydroxocobalamin use in deficiency states, but caution is advised in individuals with conditions such as early Lebers optic neuropathy (a rare hereditary optic atrophy) due to the theoretical risk of worsening vision
Needle-free and non-invasive
Policy Vitamin B12 deficiency, sometimes called cobalamin deficiency, happens when your body is either not getting enough or not absorbing enough vitamin B12 from the foods you eat
Also, refrain from massaging the injection site vigorously
Injection Administration: The injection is administered intramuscularly, typically in the arm, thigh, or buttocks
Vitamin injections and medications have increasingly become popular, and people use these supplements to ensure that the body has enough supply to stay healthy