NOW Vitamin D-3 1000 IU is a high-potency dietary supplement containing 180 softgels. Each softgel provides 1000 IU of vitamin D3 (cholecalciferol) to support bone strength, calcium absorption, and immune system function. This non-GMO formula offers structural support for maintaining overall health. Key features: • High potency 1000 IU vitamin D3 per softgel • 180 softgel capsules per bottle • Supports strong bones and skeletal health • Enhances immune system function • Non-GMO formula • Easy-to-swallow softgel form Vitamin D3 is essential for calcium absorption and utilization in the body, helping to maintain strong bones and teeth. This supplement is particularly beneficial for individuals with limited sun exposure or those needing to maintain healthy vitamin D levels. The softgel format ensures optimal absorption since vitamin D is fat-soluble. The bottle contains a generous 180-day supply when taken as directed at one softgel daily.