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Some patients may require more frequent administration, but this should only be adjusted under clinical supervision after excluding other causes of persistent symptoms
Office of Dietary Supplements Vitamin B12. NIH Office of Dietary Supplements, U.S
Understanding Vitamin B12 Vitamin B12 is a water-soluble vitamin that the body needs for various physiological processes
Better sleep Sleep quality often improves as your body starts to recover
Supplements that contain only vitamin B12 tend to contain doses ranging from 500 to 1,000 mcg
[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
