1. A nutritional composition containing an effective amount of α-hydroxyisocaproic acid and an effective amount of citrulline. The nutritional composition according to claim 1, in which α-hydroxyisocaproic acid is present in an amount of from 2 g to 10 g, preferably 1.5 g, or provides an individual from 0.15 g to 10 g of α-hydroxyisocaproic acid per day, preferably from 2 g to 10 g per day, more preferably from 0.5 g to 5 g per day. 3. The nutritional composition of claim 1, wherein citrulline is present in an amount of 4 g to 7 g, or provides an individual of 1 g to 15 g of citrulline per day, more preferably 2 g to 15 g of citrulline per day, even more preferably 2 g to 7 g per day, most preferably from 2 g to 5 g of citrulline per day. The nutritional composition of claim 1, further comprising a source of ω-3 fatty acids, which is selected from the group consisting of fish oil, krill, plant sources containing ω-3 fatty acids, flaxseed, nuts, algae, and combinations thereof. The nutritional composition of claim 4, wherein the ω-3 fatty acids are selected from the group consisting of α-linolenic acid (ALA), docosahexaenoic acid (DHA), stearidonic acid (SDA), eicosapentaenoic acid (EPA), and combinations thereof. The nutritional composition of claim 5, wherein the ω-3 fatty acids provide in an amount of from 0.25 g to 5.0 g per day, preferably from 1.0 to 3.0 g per day. The nutritional composition according to claim 1, further comprising at least one nucleotide selected from the group consisting of a subunit of deoxyribonucleic acid (DNA), a subunit of ribonucleic acid (RNA), polymeric forms of DNA and RNA, yeast RNA, and combinations thereof,1. Питательная композиция, содержащая эффективное количество α-гидроксиизокапроновой кислоты и эффективное количество цитруллина.2. Питательная композиция по п.1, в которой α-гидроксиизокапроновая кислота присутствует в количестве от 2 г до 10 г, предпочтительно 1,5 г, или обеспечивает индивидуума от 0,15 г до 10 г α-гидроксииз
