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"Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency: a systematic review of randomized controlled trials"
If levels are very low, initial weekly visits can help build a foundation, then you may shift to every two to four weeks for maintenance
Patients who have early Leber's disease (hereditary optic nerve atrophy) have been found to suffer severe and swift optic atrophy when treated with vitamin B12
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Find out which diet decreased atherosclerosis (plaque build-up in arteries) in the Cardiovascular Disease section of our Extra Virgin Olive Oil Review
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