Golden opportunity for intervention? Identifying vitamin D deficiency in patients with substance use disorders in hospital.

Setting: Based at a busy city hospital, the alcohol care team is a drug and alcohol specialist service, taking referrals for a wide range of patients with substance use disorders (SUD).

Objectives: Patients with SUD are at high risk of vitamin D deficiency; this relates to frequent fractures and proximal myopathy. The coronavirus pandemic brought vitamin D into focus.