Vitamin D3 5000 IU (Nature’s Blend) is important for proper bone mineralization and has a role in maintaining levels of calcium and phosphorus in your blood. Your body needs to replenish your body’s Vitamin D everyday as it is unable to be stored in your body. Daily servings of fatty fish such as mackerel, salmon, tuna, and halibut, beef liver, cheese, egg yolks, and fortified cereals, orange juice, and some dairy products. Unfortunately, eating 3 square meals a day to ensure you are receiving all of the vitamins or minerals your body needs can be difficult. Taking a supplement such as Vitamin D3 5000 IU from Nature’s Blend is a great way to reduce the risk of certain illnesses and to maintain healthy, strong bones.