1. Intended composition, containing lactoferrin in a concentration of at least 0.1 g / 100 kcal of the composition. The composition according to claim 1, which is selected from the group consisting of food products, drinks, nutritional formulations, nutraceuticals, biologically active food additives, infant formula, animal feed, pharmaceutical compositions. A composition according to any one of the preceding claims, wherein the lactoferrin is provided as a lactoferrin-rich fraction of milk or whey. The composition of claim 1, comprising a protein source, a lipid source, and a carbohydrate source. The composition according to claim 4, wherein the protein source is present in an amount of 1.4-4.0 g / 100 calories of the composition. The composition according to claim 4, in which more than 50 wt.% Of the protein source is whey protein. The composition according to claim 4, in which the contribution of the lipid source to the total energy content of the composition is 30-55% and / or the contribution of the carbohydrate source is 35-65% of the total energy content of the composition. The composition according to claim 1, wherein the lactoferrin is present in a concentration in the range of about 0.01-100 g, preferably 0.1-50 g, even more preferably 2-25 g per 100 kcal. The composition according to claim 1 or 4, additionally containing at least about 70 mg / l total sialic acid, at least about 0.1 wt.% Omega-3 fatty acids relative to the total weight of fatty acids and / or at least about 0.25 wt.% omega-6 fatty acids relative to the total weight of fatty acids. 10. The composition according to claim 1 or 2, which is intended for administration in an amount corresponding to the consumption of at least 0.01 g of lactoferrin per 1 kg of body weight per day. The composition according to claim 11. Предназначенная для приема внутрь композиция, содержащая лактоферрин в концентрации по меньшей мере 0,1 г/100 ккал композиции.2. Композиция по п.1, которая выбрана из группы, состо
