side effects too much b12 injections from Vitamin Vitamin B12: Overdose and Side
Description
Vitamin B-12 is essential for the creation of DNA and the metabolism of cells, and deficiencies in these can lead to anemia, fatigue, muscle weakness, digestive issues, nerve damage, and mood swings
J Clin Pathol
If there are visible symptoms eg red, inflamed, swollen etc might be worth taking a photo which you could send to GP if needed
Deteriorating muscle strength and function as we get older lead to debilitating conditions like frailty, which can be life threatening
