Our Immune Support Capsules contain Gelatin, Glycerin, Vitamin D3. It can help strengthen the body's resistance to the challenges brought by seasonal changes, promote the normal functioning of cell functions, and maintain good health. The way to use it is very simple: just 2-4 capsules at a time. Can help reduce fatigue, increase vitality, long-term use will provide more significant benefits and more lasting health, suitable for adult men and women, covering a wide range of people.