b12 injections potassium Cyanocobalamin Vitamin Injection 1000 mcg — Mountainside Medical CYANOCOBALAMIN INJECTION, USP 10,000mcg/10mL (1,000mcg/mL)
Description
Thread about Patient Safety, has useful links for those in UK having difficult health experiences with b12 deficiency

By eating so many folate-containing green vegetables, beans, and lentils, vegetarians and vegans inadvertently mask their own slowly developing B12 deficiency
Deficiency of vitamin B12 may cause tiredness, weakness, constipation, loss of appetite, weight loss and megaloblastic anemia (a condition when red blood cells become larger than normal)

It supports creating brain-targeted B 12 formulations
Therapeutic advances and challenges in the treatment of progressive multiple sclerosis
