Oral bioavailability has not been clearly measured in humans
[6] [25] At levels only slightly below normal, deficiency can result in fatigue, headaches, feeling faint, rapid breathing, pale skin, numbness or tingling, poor appetite, heartburn, poor balance, difficulty walking, poor reflexes, blurred vision, memory problems, depression, irritability, inattention, cognitive decline, dementia, and even psychosis
Many times, patients will come to us and say I just dont want to have surgery and thats a very valid choice to make, but your feelings about whether you want to have surgery or not are not the only factors that should be considered when deciding whether or not to have surgery
B12 injections are the most effective