Protein
amino acids linked by peptide bonds.
Essential amino acids
cannot be manufactured by the body; must be obtained from food; there are 8
Nonessential amino acids
can be manufactured by the body.
Complete protein
supplies all essential amino acids in appropriate ratios.
Incomplete protein
contains less than all 8 essential amino acids in appropriate ratios.
When energy needs are met by carbs and fat
protein is “spared” to build and repair body tissues and structures
during a negative energy balance
Amino acids are broken down and used for energy instead of carbs and fat (gluconeogenesis
complete protein food sources
Whole egg milk and milk products meat and poultry fish rice and beans peanut butter on whole wheat bread sunflower seeds and peanuts yogurt and granola oatmeal with milk lentils and bread tortillas with beans or bean burritos macaroni and cheese hummus ( chickpeas and sesame paste with bread bean soup with whole grain crackers