Vitamin D3 5 000 IU by Nature's Way 240 Softgel Vitamin D3 5 000 IU 240 Softgel Why should someone supplement with vitamin D Many clinical trials have demonstrated the benefits of vitamin D to support bone strength and density Supplementation with vitamin D at dosages of 700-800 IU daily or higher has been associated with a 23-26 improvement in bone health especially for older adults. Why use Vitamin D3 5000 IU To support healthy bones Healthy bones need vitamin D to properly use calcium and phosphorus. Vitamin D helps regulate calcium and phosphorus absorption through the intestines reduces kidney excretion of calcium and regulates the amount of calcium in the bones. To support a healthy immune system and other health functions in the body Vitamin D has been shown to enhance healthy cell replication and division as well as influencing healthy glucose metabolism. Suggested Use As a dietary supplement for adults take 1 softgel per day with a meal or as directed by your healthcare pract.