1. A nutritional composition containing an effective amount of α-hydroxyisocaproic acid for use in: i) stimulating muscle protein synthesis in an individual in need thereof, or ii) minimizing catabolism of muscle protein in an individual in need thereof, or iii) maintaining muscle mass in an individual in need thereof, or iv) a decrease in bone loss induced by a lack of regular physical activity, in an individual in need thereof, or v) a decrease in skeletal muscle atrophy in an individual in need This, ilivi) alleviating the symptoms of uremic high load in a subject in need thereof, where the individual is selected from the group consisting of elderly people, and where older people include individuals with disability risk due to sarcopenia, nemoschnosti.2. The nutritional composition according to claim 1, which is given to the individual in order to provide the individual with about 150 mg to 2.5 g of α-hydroxyisocaproic acid per day, preferably about 1.5 g of α-hydroxyisocaproic acid per day. The nutritional composition according to claim 1, which is given to the individual in order to provide the individual from about 0.15 g to 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 5 g per day. 4. The nutritional composition according to claim 1, further comprising a source of ω-3 fatty acids, in which 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, nuts, algae and their combinations. 5. The nutritional composition according to claim 4, in which ω-3 live1. Питательная композиция, содержащая эффективное количество α-гидроксиизокапроновой кислоты, для применения в:i) стимулировании синтеза мышечного белка у индивидуума, нуждающегося в этом, илиii) минимизации катаболизма мышечного белка у индивидуума, нуждающегося в этом, илиiii) сохранении мышечной массы тела у индивидуума, нуждающегося в этом, илиiv) сни
