1. A functional food product containing diamine oxidase (DAO) .2. A functional food product containing DAO according to claim 1, characterized in that the DAO can be added to the specified food product in free form, in the form of a powder, lyophilized powder, microcapsules, nanocapsules or liposomes. The functional food product according to claim 1, characterized in that the DAO is a DAO of biotechnological origin or can be isolated from plants or animals. Functional food product according to claim 2, characterized in that the DAO is a DAO of biotechnological origin or isolated from plants or animals. Functional food product according to claim 1, characterized in that the DAO has protection against the effects of the gastrointestinal tract. The functional food product according to claim 2, characterized in that the DAO is protected from the effects of the environment of the gastrointestinal tract. Functional food product according to claim 3, characterized in that the DAO is protected from the effects of the environment of the gastrointestinal tract. The functional food product according to any one of claims 1 to 7, characterized in that said food product is a dairy product, such as yogurt, milk drinks, a confectionery product, ice cream or another drink, such as, for example, juice； a non-dairy product such as soy, oat, almond or rice milk； cereals, etc. 9. A functional food product according to any one of claims 1 to 7, characterized in that said food product is a food or vitamin supplement. Functional food product according to any one of claims 1 to 7, characterized in that the content of DAO is from 0.01 to 5 wt.% DAO in relation to the total1. Функциональный пищевой продукт, содержащий диаминоксидазу (ДАО).2. Функциональный пищевой продукт, содержащий ДАО, по п.1, отличающийся тем, что ДАО может быть добавлена к указанному пищевому продукту в свободной форме, в виде порошка, лиофилизированного порошка, микрокапсул, нанокапсул или липосом.3. Функциональный пище
