Lean meats are defined as 100 grams of beef (or 3 1/2 ounces) with less than 10 grams of fat, 4.5 grams or less of saturated fat, and less than 95 milligrams of cholesterol, according to the U.S. Department of Agriculture.
As opposed to this, Extra Lean meats have less than 5 grams of fat, 2 grams of saturated fat, and 95 milligrams of cholesterol per serving. Heme iron, which is abundant in lean meats like lean sirloin and ground beef, helps to speed up metabolism.
It can be a touch pricey because it's one of the market's leanest, most tender cuts of meat. On the other hand, if you're searching for a soft cut of meat that cooks nicely and is still an excellent source of iron, pork loin is frequently much less expensive.
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Chicken or turkey breast is Greenwood's last iron-rich meat for quicker metabolism. Boneless, skinless chicken breasts have fewer calories and fat. Greenwood praises skinless chicken or turkey breast for its lean protein and heme iron.