1. An iron-rich food product containing an iron source product, an iron source product is obtained by a process comprising the following steps:! (i) the formation of a core containing iron alginate by contacting at least one bioavailable water-soluble salt of iron and at least one water-soluble alginate salt,! (ii) contacting the core with an aqueous solution of calcium salt in a concentration of from 0.025 M to a concentration below the saturation point of the solution, and! (iii) recovering the obtained solid product. ! 2. The iron-fortified food product according to claim 1, wherein the core is obtained by depositing at least one water-soluble alginate salt on the surface of the particles of at least one iron salt. ! 3. Iron-fortified food product according to claim 1, in which! (i) the core is formed by dissolving or suspending at least one bioavailable iron salt in an aqueous solution of at least one alginate salt to form a gel,! (ii) the resulting gel is slowly added to an aqueous solution of calcium salt at a concentration of from 0.025 M to a concentration below the saturation point of the solution, with vigorous stirring,! (iii) the resulting solids are filtered and washed with water. ! 4. The iron-fortified food product of claim 3, wherein the at least one bioavailable iron salt is iron sugar. ! 5. The iron-fortified food product of claim 3, wherein the at least one alginate salt is sodium alginate. ! 6. Iron-fortified food product according to claim 3, in which at least one alginate salt is sodium alginate and its �1. Обогащенный железом продукт питания, содержащий продукт источника железа, продукт источника железа получен способом, включающим следующие стадии: ! (i) образование ядра, содержащего альгинат железа, путем контактирования, по меньшей мере, одной биодоступной водорастворимой соли железа и, по меньшей мере, одной водорастворимой альгинатной соли, ! (ii) контактирование ядра с водным раствором соли кальция в концентрации, составляющей от 0,025
