Terranova Green Child Vitamin D3 400iu (10 µG) is a natural food supplement made for children aged 4-12 years old. Vitamin D3 is one that is not found in many foodsso the body’s main source of it is from sunlightwhich causes the production of it in the skin. This supplement is perfect for the winter monthswhere sunlight hours are reducedand it’s too cold to remain outdoors for long. Vitamin D3 is required to maintain good bone healthand a deficiency can lead to problems like low bone mineral densitywhich leads to an increased risk of fractures. This vitamin D3 is extracted from a vegan friendly strain of edible lichenand each capsule features no fillersbinders or artificial additives.