supplies a prescription only licensed medicine (FultiumD3) to treat patients with a vitamin D deficiency. Vitamin D is offered to at-risk groups on prescription to prevent the health risks associated with a deficiency or insufficiency. It is estimated that up to a quarter of the population in the UK have low levels of vitamin D in their blood – with deficiency linked to conditions including bone deformities and health complications such as depression, joint pain, migraines, fatigue and a weakened immune system.