Experiencing headaches or muscle cramps
Treatment of such an overdose would be mainly supportive, since there is no specific antagonist for B vitamin excess
The NHS symptoms list groups them into general anaemia symptoms (tiredness, breathlessness, headaches, loss of appetite, weight loss) and neurological signs (peripheral neuropathy, balance problems, depression, memory and concentration changes, sometimes mood changes or psychosis in advanced cases)
The quality and source of the B12 solution can impact pricing, with FDA-compliant facilities potentially charging more due to strict quality control measures
Severe injuries or post-surgical recovery may benefit from longer courses, while acute injuries might respond well to shorter intensive protocols
The treatment works best when done regularly