Delivering 1000IU per spray, DLux 1000 provides an effective maintenance dosage for adults and teenagers. Formulated to provide optimal nutritional delivery, each spray provides the vitamin D in micro-sized droplets that coat and permeate the soft-tissue of the inner cheek, delivery the essential nutrients into the rich vein system below. This allows the formulation to quickly enter the bloodstream for optimal absorption. Directions: Initial use: press the pump 3 times to get the liquid flowing. Shake well before every use. Carefully spray into your mouth, ideally onto the inside of your cheek, and hold for a few seconds. Replace the cap after use. 1 spray delivers 1000IU of vitamin D. Use 1 spray a day (or as directed by your healthcare practitioner). Does not need to be taken with food or water, can be taken at any time of the day. Ingredients: Xylitol, water, acacia gum, cholecalciferol (vitamin D3), sunflower lecithin, citric acid, preservative: potassium sorbate, peppermint oil.