Now High Potency Vitamin D3 1000IU Softgels are daily vitamin D supplements formulated to support bone strength, immune health, muscle function, healthy teeth, and overall wellbeing. Each softgel provides 25mcg or 1000IU of Vitamin D3 as Cholecalciferol derived from lanolin in a highly absorbable liquid softgel form. Vitamin D3 plays an essential role in calcium and phosphorus absorption, supporting the maintenance of normal bones and teeth while also contributing to healthy muscle function. It is also important for normal immune system activity and overall physiological wellness. The formula contains Extra Virgin Olive Oil and Safflower Oil, which provide a fat-based medium suitable for this fat-soluble vitamin. Vitamin D is naturally produced by the skin following exposure to sunlight but is present in limited amounts in many foods, making supplementation useful for individuals with limited sun exposure or insufficient dietary intake. The formula is non-GMO, Halal, Kosher, and made without gluten, soy, corn, dairy, and egg ingredients.