The Vitamin D 4000IU Tablets by Nutrition Geeks are designed for Immune Support and Bone & Joint Health. These Max Strength supplements contain Vitamin D3 (Cholecalciferol) sourced from the United Kingdom. With 365 tablets in a pack, this product is suitable for all departments and adheres to high standards of quality and safety, being dairy-free, gluten-free, vegetarian, and animal cruelty-free. The tablets are easy to take anytime, making them a reliable and effective choice for maintaining good health.