Your doctor should also take a thorough medical history, asking you about symptoms and whether you have had diseases like celiac disease or Crohn's disease
Here are some good food sources of vitamin B12: Advertisement | page continues below 3 ounces of cooked clams, without shells: 17 mcg 3 ounces of cooked oysters: 14.9 mcg 1/4 cup of fortified nutritional yeast: 8.3 to 24 micrograms, depending on the brand 3 ounces of cooked Atlantic salmon: 2.6 mcg 3 ounces of cooked ground beef, 85% lean: 2.4 mcg 8 ounces of 2% milk: 1.3 mcg 6 ounces of plain, fat-free yogurt: 1.0 mcg 1 serving of fortified breakfast cereal: 0.6 mcg 1 1/2 ounces of cheddar cheese: 0.5 mcg 1 large cooked egg: 0.5 mcg (A 3-ounce serving of meat or fish is about the size of a deck of cards.) Do you need a vitamin B12 supplement during pregnancy
Lipotropic injections contain vitamins and nutrients that some people believe may support weight loss
Common Vitamin B12 deficiency symptoms Numbness, or tingling in the hands, legs, or feet, difficulty walking, anemia, a swollen, inflamed tongue, difficulty thinking and reasoning, or memory loss, weakness, and fatigue