California Gold Nutrition Vitamin D3 is a dietary supplement offering 125 mcg (5,000 IU) of Vitamin D3 per softgel capsule. This product supports bone health, immune system function, and may improve mood. Each bottle contains 90 softgel capsules made from fish gelatin, catering to those looking for a vegetarian-friendly option. The softgels are easy to swallow and designed for optimal absorption. Vitamin D3, also known as cholecalciferol, is a form of Vitamin D that is produced by the body in response to sunlight. Supplementation can be particularly beneficial for those with limited sun exposure.