1. A nutritional composition containing an effective amount of α-hydroxyisocaproic acid and an effective amount of α-ketoglutarate. The nutritional composition according to claim 1, wherein the α-hydroxyisocaproic acid is present in an amount in the range of from about 2 g to about 10 g. The nutritional composition according to claim 1, which provides an individual with an amount in the range of from about 0.15 g to about 10 g of α-hydroxyisocaproic acid per day, preferably from about 2 g to 10 g per day, more preferably from about 0.5 g to about 5 g per day. 4. The nutritional composition of claim 1, wherein α-hydroxyisocaproic acid is present in an amount of about 1.5 g. 5. Nutritional composition according to one of paragraphs. 1-4, in which α-ketoglutarate is present in an amount in the range from about 10 g to about 30 g. 6. Nutritional composition according to one of paragraphs. 1-4, which is taken by the individual in an amount in the range of about 2 g to 20 g of α-ketoglutarate per day for appropriate provision of the individual. The nutritional composition according to claim 1, which comprises α-ketoglutarate in a form selected from the group consisting of ornithine-α-ketoglutarate, arginine-α-ketoglutarate, and combinations thereof. The nutritional composition of claim 1, further comprising a source of ω-3 fatty acids, wherein the source of ω-3 fatty acids is selected from the group consisting of fish oil, krill, vegetable sources containing ω-3 fatty acids, flaxseed, and walnuts nuts, seaweed, and combinations thereof. 9. The nutritional composition of claim 8, wherein the ω-3 fatty acids are selected from the group consisting of α-linolenic acid (“ALA”), docosahexaenoic acid (“DHA”), stearidonic acid (“SDK”), eicosapenta�1. Питательная композиция, содержащая эффективное количество α-гидроксиизокапроновой кислоты и эффективное количество α-кетоглутарата.2. Питательная композиция по п.1, в которой α-гидроксиизокапроновая кислота присутствует в количестве
