Elite Max Keto These are: lean beef and veal, poultry and rabbit, sea fish, salmon. These foods contain a lot of protein, they retain a feeling of satiety for a longer time and more calories are burned in the process of their digestion. The composition of these products include: omega-3 fatty acids, antioxidants and linoleic acid, iron, zinc, vitamin B12. Proteins are a major part of a complete nutrition and weight loss program. In addition, they strengthen the immune system, the nervous system and the heart, maintain muscle mass and support the metabolic rate. Protein foods are recommended to consume 3-4 servings per week. Method of preparation: steamed, stewed, baked.