Support your immune system; Vitamin D3 (cholecalciferol) 250 mcg (10,000 IU) softgels support a healthy immune system and neuromuscular function. Optimal absorption; The Vitamin D3 in this product is the same form of Vitamin D3 produced by the skin when exposed to sunlight; as we age, our ability to absorb Vitamin D3 may decline; these advanced oil-based softgels promote optimal absorption and utilization. Non-GMO, Gluten-Free, Dairy-Free; Vitamin D3 10,000 IU softgels are free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavors, sweeteners, preservatives, and colorings. Gold Standard: Didacat is committed to quality, health, and well-being. Our mission is to produce the highest quality nutritional supplements in small batches through relentless research, using the finest raw materials.