Frunutta D3 5000 IU Instant Dissolve Tablets: Supports Weight Loss & Strengthens Brain & Immune System* D3 5000 IU is great for the brain, heart, circulation, immunity, joints, muscles, lung, joints, and kidneys.* Vitamin d 125 mcg/5,000 iu (as cholecalciferol), lactose (milk) and acacia gum.