Immunotrophin D syrup is a food supplement that is an additional source of beta-glucan, arginine, vitamins B5, B6, B12, vitamin D and iodine. These ingredients have important physiological roles in the body. Vitamins B6, B12 and D contribute to the normal functioning of the immune system, reducing exhaustion and fatigue. Vitamin D participates in the normal absorption of calcium and phosphorus, as well as maintaining the normal function of muscles, bones and teeth. Iodine participates in the production of thyroid hormones, as well as its normal function. Arginine is an amino acid that participates in building proteins. Beta-glucan is an ingredient isolated from the yeast Saccharomyces cerevisiae.