Get your fix of vitamin D – even on a winter's day – with our Adults Vitamin D3 Spray. Over 60% of the UK population is deficient in vitamin D, which is generated when skin is exposed to sunlight, making this travel-friendly spray an easy way to maintain good health in the dark winter months, or when you're stuck in an office all day. It’s formulated with vitamin D3, the active, absorbable form of vitamin D, and aids the normal function of the immune system.