Kirkland Signature Vitamin D3 2000 IU, 600 SoftgelsKirkland Signature Vitamin D 3 helps maintain and support: Bones & Teeth Immune Health Colon Health Breast Health Muscle Health Vitamin D3, also known as the sunshine vitamin, is important for strong bones and teeth. Vitamin D 3 also plays a major role in healthy cell development and helps keep the immune system strong. D3 has been shown to promote muscle health, breast health and colon health. Supplement Facts: Serving Size: 1 Softgel Amount Per