It has been widely studied for its role in tissue regeneration, cellular repair mechanisms, and antioxidant activity
There is limited evidence that high vitamin B12 levels directly cause dizziness or fatigue
93, 10871092 10.1073/pnas.93.3.1087 [DOI] [PMC free article] [PubMed] [Google Scholar] 8.Tang L., Li J., Lin X., Wu W., Kang K
As to the aches and pains, breathlessness etc, this could be due to B12 needing potassium to build RBC, so I would check out low potassium symptoms and eat a banana or maybe two until you have fathomed it out
Reconstitution refers to adding a measured volume of sterile or bacteriostatic water to the vial in order to create a solution with a known concentration, expressed as international units (IU) per millilitre (mL)