B12 is crucial in converting food into glucose, which your body uses for energy
[6] [25] At levels only slightly below normal, deficiency can result in fatigue, headaches, feeling faint, rapid breathing, pale skin, numbness or tingling, poor appetite, heartburn, poor balance, difficulty walking, poor reflexes, blurred vision, memory problems, depression, irritability, inattention, cognitive decline, dementia, and even psychosis
This depends on your deficiencys severity, health, and how you respond to treatment
B12 injections deliver a high dose of vitamin B12 directly into your bloodstream
Niacinamide (B) in high pharmacological doses has less pregnancy data
The common side effects of B12 shots include pain at the injection site, mild swelling, and temporary redness