Essential Vitamin D3 is a high strength source of Vitamin D3 which is essential for the optimal utilisation of calcium in order to help promote healthy bones, joints & teeth whilst also supporting the immune system. For people who live in countries where exposure to sunlight is hampered, Vitamin D3 is strongly recommended as a deficiency in this crucial vitamin can lead to a number of health implications. Essential Vitamin D3 is a fat dispersible vitamin that can also be found in fish & eggs. This accessible softgel makes the ideal supplement for those looking to help support their bones & teeth.