Food has two types of iron â heme iron and non-heme iron. Heme iron is found in meat, fish and poultry, and is the form of iron that is most readily absorbed from your stomach and taken up into your body after you eat it.Non-heme iron is found in plant foods as well as meat.Foods with non-heme iron are still good to eat, but the iron contained in these foods wonât be absorbed as completely as heme iron. You absorb up to 30 percent of heme iron, found only in animal tissues (meat, poultry, and fish).You absorb 2-10 percent of non-heme iron, found in plant foods as well as meat.on-heme iron is found in plant foods as well as meat. Foods with non-heme iron are still good to eat, but the iron contained in these foods wonât be absorbed as completely as heme iron. You absorb up to 30 percent of heme iron, found only in animal tissues (meat, poultry, and fish).
You need protein for your muscles, bones, and the rest of your body. Exactly how much you need changes with age: 1  Babies need about 10 grams a day. 2  School-age kids need 19-34 grams a day. 3  Teenage boys need up to 52 grams a day. 4  Teenage girls need 46 grams a day. 5  Adult men need about 56 grams a day.
The general recommendation for protein is 10 to 35 percent of your daily calories. If you are on a 1,200-calorie diet, this means that 120 to 420 of your calories should come from protein. This equates to 30 to 105 grams per day.etween 25 and 35 percent of your calories should come from fat. On a 1,200-calorie diet, you should take in 300 to 420 calories from fat or about 33 to 47 grams of fat.