Bronson Vitamin D3 1000 IU 100 cap is a dietary supplement that contains vitamin D3 in a lower potency dosage. Each capsule typically contains 1000 International Units (IU) of vitamin D3.Vitamin D3, also known as cholecalciferol, is a form of vitamin D that is synthesized by the body when the skin is exposed to sunlight. It plays a crucial role in various bodily functions, including maintaining healthy bones and teeth, supporting immune function, and aiding in the absorption of calcium and phosphorus.The 1000 IU dosage in each capsule is a commonly recommended daily dosage for individuals who may have lower vitamin D levels or need ongoing vitamin D supplementation. It is often used as a maintenance dose to help ensure adequate vitamin D levels in the body.