Support your immune system and maintain healthy bones with Vitabiotics Ultra Vitamin D Tablets 1000IU. Each pack contains 96 easy-to-swallow tablets of vitamin D3 (cholecalciferol), the preferred form of vitamin D. As the UK's No.1 vitamin D brand, these supplements help maintain normal immune function and support overall health. Ideal for daily use, especially during darker months when sunlight exposure is limited.