A 3 - pound boneless beef chuck roast would be about the same. (delightfulrepast.com)
Meats are a good source: One 3 - ounce serving of beef chuck roast contains 7 milligrams; a 3 - ounce beef patty contains 3 milligrams; and a 3 - ounce serving of dark chicken meat contains 2.4 milligrams. (health.com)