1. A set of nutritional compositions for infants and young children, including: - a first composition for infants 0 to 6 months - the second composition for infants older than 6 months to 1 year - the third composition for young children older than 1 year up to 2 years, wherein at least the first and second compositions contain probiotics, and wherein said first and second compositions differ from each other in the number and / or nature of probiotics present in them.2. The kit of claim 1, further comprising a fourth composition for infants older than 2 let.3. The kit of claim 2, wherein the third composition and / or fourth composition contain probiotiki.4. The kit of claim 1 or 3, wherein the amount and / or nature of probiotics present in each composition, are chosen according to the age and / or in accordance with the desired effect in infants and young children vozrasta.5. The kit of claim 1, wherein the first composition for infants from 0 to 6 months, contains at least two sub-compositions, each of which is designed specifically for infants aged from 0 to 1 months and older than 1 month to 2 months / or between the ages of 3 months to 6 mesyatsev.6. The kit of claim 1 or 3, wherein the probiotics are selected from yeast, such as Saccharomyces, Debaromyces, Candida, Pichia and Torulopsis mold, such as Aspergillus, Rhizopus, Mucor, and Penicillium and Torulopsis and bacteria such as the genera Bifidobacterium, Bacteroides, Clostridium, Fusobacterium, Melissococcus, Propionibacterium, Streptococcus, Enterococcus, Lactococcus, Staphylococcus, Peptostrepococcus, Bacillus, Pediococcus, Micrococcus, Leuconostoc, Weissella, Aerococcus, Oenococcus and Lactobacillus probiotics preferably selected from any of Saccharomyces cereviseae, Bacillus coagulans, Bacillus licheniformis, Bacillus subtilis, Bifidobacterium bifidum, Bifidobacterium breve, such as1. Набор питательных композиций для грудных детей и детей раннего возраста, включающий:- первую композицию для грудных де
