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Friday Favorites: The Optimal Vitamin B12 Dosage and Type
b'At age 50, everyone should start supplementing with B12-fortified foods or supplements regardless of the type of diet they follow. Over age 65, only high-dose daily supplements may suffice. For prevention and treatment of vitamin B12 deficiency, cyanocobalamin in chewable, sublingual, or liquid forms (rather than in a multivitamin) is best under most circumstances.'