- Vitamin D3 (Cholecalciferol) 1000 IU Tablets 180 Count Maintain Healthy Bones & Teeth; Vitamin D is required to promote calcium absorption, which helps maintain healthy bones and teeth | Support Your Immune System; Solgar Vitamin D3 supports a healthy immune system and neuromuscular function | Daily Supplementation; Solgar Vitamin D3 provides 25 mcg (1000 IU) in one easy-to-take tablet for daily supplementation | Non-GMO, Gluten Free, Dairy Free, Kosher; Solgar Vitamin D3 is free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, preservatives and color | The Gold Standard: For over 70 years, Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials | During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.