Vitabiotics Ultra Vitamin D3 2000 IU is a dietary supplement tablet intended to supplement the daily diet of adults. A daily serving covers vitamin D requirements at 1000% of the Reference Intake. Vitabiotics Ultra Vitamin D3 2000 IU – get to know the ingredient D: contributes to the proper functioning of the immune system, helps in the proper absorption of phosphorus from the digestive tract, helps maintain the proper level of calcium in the blood, helps maintain health and teeth. The beneficial effect resulting from the declared action occurs when consuming the recommended daily portion of the product, i.e. 1 tablet. A package of 96 tablets allows for daily dietary supplementation with the active ingredients of the preparation for over 3 months.