Injection Administration: The injection is administered intramuscularly, typically in the arm, thigh, or buttocks
In the body, arginine is the largest source of nitrogen used for production of nitric oxide, which relaxes blood vessels, improving blood flow throughout the body
Frequency of Administration: For significant deficiencies, initial injections may be given weekly, while others may only need monthly shots
However, some rare side effects of too much vitamin B12 can include: Headache Weakness Nausea Diarrhea Tingling sensations in the hands and feet Allergic reactions or skin rash (uncommon) When To Seek Medical Advice Risk of vitamin B12 deficiency: Groups at a higher risk of vitamin B12 deficiency include older adults, people who only eat plant-based foods (vegans and vegetarians), and those with certain chronic conditions (gastrointestinal disorders that can affect vitamin absorption)
Individual results vary and should be discussed with your physician