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Not only does it taste good, beef is also a great way to fuel your body. In the American diet, beef is the number one contributor of protein, zinc and vitamin B12, number two of vitamin B6, and number three of iron and niacin. By supplying a nutrient bundle in every bite, eating beef is a great way to make your calories count. A 3 oz. serving of lean beef contributes less than 10% of the calories in a 2,000-calorie diet. At the same time, it supplies more than 10% of the Daily Value for these nutrients. 
Beef is the #1 food source of protein, zinc and vitamin
B12, according to a study published in the Journal of
the American Dietetic Association.
• Beef supplies high-quality protein, complete with all nine
essential amino acids.
• Beef is one of the most important dietary sources of iron.
To obtain the same amount of iron found in a 3 oz.
serving of beef, you'd have to eat at least 3 cups of
raw spinach.
• A 3 oz. serving of beef provides 39% of the Daily
Value for zinc. You would need to eat more than eleven
3 oz. servings of tuna to get the same amount of zinc in
one 3 oz. serving of beef.
• Beef contains significant amounts of the B-complex
vitamins riboflavin, niacin, thiamin, B6 and B12.
* Daily Value percentage based on a 3 oz. serving of lean beef as part of a 2000 calorie reference diet.
US Department of Agriculture, Agricultural Research Service, 2005. USDA Nutrient Database for Standard Reference, Release 18. http://www.ars.usda.gov/ba/bhnrc/ndl
Additional information can be found at Beefitswhatsfordinner.com
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