Boost your energy naturally. Learn about the best foods and supplements to combat vitamin B12 deficiency.

Click here for Part 1 of Your Best Sources of B12.

Click here to learn how you can solve your B12 energy crisis.

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.