Lamberts Vitamin D3 1000iu 30tabsLamberts vitamin D is presented in its natural form D3 (cholecalciferol), which is the most easily absorbable form. Modern studies on vitamin D focus on the intake of the vitamin by the general population. Approximately 60% of the UK population is deficient in Vitamin D. Low levels of Vitamin D are associated with serious health problems in later life. Vitamin D is a fat-soluble vitamin that can be obtained through diet or synthesized by the body after skin exposure to sunlight (UVB). People who do not get enough sun exposure usually choose to take a Vitamin D supplement. Vitamin D is essential for bone and tooth health as well as maintaining a healthy immune system. Recommended for: For the elderly, especially those with reduced nutrient intake. For people with little or no sun exposure.