For more information regarding homocysteine and CVD, see the article on folate
B12 injections have no risk for overdose because excess vitamin B12 is just excreted in the urine
Treatment is often initiated at a high dose, followed by a maintenance dose given less frequently, as determined by the patient's B12 levels and clinical response
It may also be used to treat other conditions, such as pernicious anemia, vitamin B12 malabsorption, and certain types of nerve pain
Others apply only in the morning to avoid any potential product transfer during sleep
Take with 250 mg vitamin C, on an empty stomach if tolerated, and avoid coffee, tea, calcium, and antacids for at least one hour