Adverse reactions following intramuscular (IM) injection have included anxiety, mild transient diarrhea, ataxia, nervousness, pruritus, transitory exanthema, and a feeling of swelling of the entire body
What are the signs and symptoms of Vitamin B12 deficiency
If you are suffering from fatigue, low energy, or weight gain B12 shots would be worth considering
Energy levels improve fast because B12: Delivers oxygen more Helps make red blood cells Boosts how mitochondria work Balances alertness-related brain chemicals Helps stabilize metabolism Energy levels can differ between individuals, but many notice steadier stamina and reduced afternoon tiredness once they begin treatment
Because it bypasses the stomach and intestines, a larger percentage of the dose becomes available to your body compared to oral supplements