What is Calcium and Vitamin D3? Calcium and & D3 is our expertly formulated blend of two key nutrients scientifically proven to work together to support the health of bones, teeth, muscles, and the cardiovascular and nervous system. Calcium cannot be absorbed without Vitamin D and it is therefore essential that they are consumed together to support the health of the body. Why use Calcium and Vitamin D3? Our premium quality blend contains 100% RI* of both Calcium and Vitamin D3, covering your daily needs with just 2 tablets. Each year, 20% of the calcium in adult bones is completely replaced, meaning we need a constant supply of both Calcium and Vitamin D3, daily, to ensure new bone cells are formed. Together, Calcium & Vitamin D3 contribute to the maintenance of healthy bones & teeth, aid muscle function, boost energy metabolism and support a healthy cardiovascular and immune system. Inadequate intake of Calcium and Vitamin D3 has been linked to the risk of osteoporosis and bone fractures, particularly within women of post-menopausal age, the elderly and children. Who can benefit? Calcium and Vitamin D3 are essential nutrients advised by Public Health England for daily consumption by all, especially for women of post-menopausal age, the elderly and children. If you are susceptible to bone fractures, or suffering from osteoporosis you may want to consider supplementing the diet. To be taken as part of a varied and balanced diet and a healthy lifestyle.