Now, let's focus on proteins . FOOD PROTEIN GRANTS Tuna in water (30g) 7.9g Fish fillet (40g) 7g Egg wh GRS Ultra es (2) 7.2g Beef steak (30g) 7g Chicken breast (35g) 6.9g Cottage cheese (48g) 6.6 g Cheese Pan (40g) 6g Milk Egg (1) 5g Milk (240ml) 8.4g What are proteins? The proteins are biomolecules formed by linear chains of amino acids; play a fundamental role in life, since they are essential for growth . GRS Ultra s main function is NOT to give energy , since they const GRS Ultra ute the building blocks of the cells of the organism (enzymes, hormones);