Vitamin D3, or cholecalciferol, is a type of vitamin D that is important for the absorption of calcium and phosphorus in the body. It is vital for maintaining healthy bones and teeth, as well as supporting the immune system, muscle function, and overall health.

The dosage you mentioned, 6000 IU, is significantly higher than the typical recommended daily intake. Such a dosage might be prescribed in cases where there is a deficiency of vitamin D or for specific medical conditions. It’s important to follow your healthcare provider’s guidance regarding dosage and duration of supplementation.