Vitamin D plays an important role at every stage of life, beginning with fetal development. It helps Safeguard a number of important functions in the body including healthy bones and muscles, cardiovascular health, and immune function. Although direct sunlight exposure is a good source of vitamin D, many people do not get enough sun due to season change, latitude, or lifestyle. Therefore, vitamin D supplementation can be of great benefit. Thorne Vitamin D Liquid for adults and children makes supplementation easy. Our liquid Vitamin D can be mixed with food or beverage. It comes in a base of medium chain triglyceride oil without soy oil or sesame oil, and it is preserved with mixed tocopherols (natural vitamin E).