HealthAid Vitamin D3 1000IU is a daily supplement containing cholecalciferol in vegetarian tablet form. Each tablet provides 1000IU of Vitamin D3 to support bone and dental health, calcium absorption, and immune system function. The package contains 30 tablets for a one-month supply. This supplement is designed for one-a-day use and is suitable for vegetarians. Vitamin D3, also known as the 'sunshine vitamin', plays a crucial role in maintaining strong bones and teeth by helping the body absorb calcium effectively. It also supports proper immune system function. The 1000IU strength provides a moderate daily dose suitable for maintaining healthy vitamin D levels when natural sun exposure may be limited.