f2681663_elf_an_Energy_Makeover___alive__2
[0] B-complex vitamins [1] capsules, liquids, powders, tablets [3] varies for different B vitamins for vitamin B12 deficiency, 1,000 mcg per day is commonly prescribed [2] 
B vitamins are required for the proper metabolism of fats, proteins, and carbohydrates; vegetarians, vegans, and the elderly are at particular risk of vitamin B12 deficiency
Give Yourself an Energy Makeover - alive
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