Vitamin B12 is not produced naturally in the body and must be obtained through diet or injections
Intervention studies Although increased intake of folic acid and vitamin B 12 is effective in decreasing blood concentrations of homocysteine, whether these B vitamins lower risk of CVD remains controversial
Mean reductions were 8.7%, 17.1%, 22.8%, and 24.2% for the 1, 4, 8, and 12 mg groups respectively, versus only 2.1% in the placebo arm
Other causes of similar symptoms include adenomyosis, uterine fibroids (both conditions affecting the uterus), irritable bowel syndrome, and bladder pain syndrome
IM administration may provide the most robust response in clinical scenarios requiring rapid or substantial metabolic correction