BetterYou DLux4000 Vitamin D Oral SprayMax strength formula to elevate and maintain vitamin D levels. Supports a normal immune system. Maintains normal bones and teeth. The latest addition to our award-winning vitamin D oral spray range is a maximum strength 4000 IU vitamin D3 oral spray, designed to elevate and maintain vitamin D levels in the body.The optimum strength daily oral spray has been scientifically formulated to deliver vitamin D directly into the bloodstream, bypassing the primary processing by the gut.BetterYou Ltd Barnsley S74 9LH UK