Injection site reactions : The most common side effects are mild and short-lived, including soreness, redness, or slight swelling at the injection site
This dual benefit makes B12 a formidable ally in fortifying your bodys defences against infections and illnesses
Very high concentrations can result in toxic effects including respiratory failure, vasodilation, hypotension, convulsions, and paralysis
If not, it seems I may be too close to a nerve or something (I inject in the thigh)
The body cannot synthesise vitamin B12 independently and must obtain it through dietary sources, primarily animal products such as meat, fish, dairy, and eggs