Injections bypass the gut and deliver B12 directly into circulation, making them particularly effective in these cases
In their report from 2003 Voedingsnormen: vitamine B6, foliumzuur en vitamine B12 the council joined expert commissions from the American Institute of Medicine and the Scientific Committee for Human Food from the European Union, who had already reported 3 years earlier that toxicity from high dose vitamin B12 poses no real danger
However, you need to discuss the dosage and frequency of the vitamin injections with your doctor
Oral administration of high-dose vitamin B 12 (1 to 2 mg daily) is considered as effective as intramuscular administration for correcting anemia and neurologic symptoms Despite many studies suggesting oral administration of vitamin B 12 to be easy, effective and less costly than intramuscular administration, debate surrounds the effectiveness of the oral route
it did not result in increased risk of depression or the development of cardiac valvular insufficiency
Growth hormone secretagogues may cause water retention and joint pain
