Shelf life: 2 years Product specifications: 30/60/120 capsules Directions: 2 capsules daily with plenty of water. (Total 2 capsules daily) Storage: Avoid direct sunlight, heat and humidity. Consume as soon as possible after opening. Description: Our Vitamin D3 supplement aids in the management and absorption of calcium, which is also essential for bones and teeth. One of the important functions of vitamin D3 includes supporting the immune system. Vitamin D is considered an essential nutrient for maintaining healthy bones, teeth, muscle function, and the immune system.