Vitamin B12 Supplements May Not Help Some Seniors

They seem to work only when deficiency of the nutrient is severe, study finds Source: HealthDay Related MedlinePlus Pages: B Vitamins, Dietary Supplements, Seniors' Health

http://www.nlm.nih.gov/medlineplus/news/fullstory_153630.html

Source: MedlinePlus Health News - July 16, 2015 Category: Consumer Health News Source Type: news