HealthViva Vitamin D3, 1000 IU, chewable, orange tablets is a premium, vegetarian, dietary supplement for adults to build and maintain stronger bones and immunity. Regular supplementation increases muscle strength and reduces risk of heart disease. Regular supplementation of HealthViva Vitamin D3 helps relieve backache and enhances absorption of calcium for stronger and denser bones. This helps arrest onset of osteoporosis, a disease that makes bones hollow.A growing body of research indicates that vitamin D deficiency contributes to a broad spectrum of conditions such as high blood pressure, poor insulin sensitivity, inflammation, and other fundamental processes that act as precursor to heart disease. Vitamin D3 relaxes blood vessels to lower blood pressure for a healthy heart and improves immunity. It may improve functioning of insulin. Strict vegetarians and lactose intolerant individuals are more likely to suffer from vitamin D3 deficiency. Even elderly are prone to vitamin D3 deficiency as their sunlight to vitamin D conversion mechanism is not that efficient. Serving Suggestion: Take ONE tablet daily or as directed by the physician