"Clinical experiment has shown that for persons with a significant deficiency of vitamin D3, the application of liposomal formulation causes a significant and rapid increase of calcidiol concentration in serum" An excellent way to improve blood serum levels! Liposomal technology is the future of medicine. 5ml = 1000iu Vitamin D label Ingredients: Vitamin D3, sunflower lecithin and distilled water. No additives. Take 2 times daily Royal mail tracked fast free post and packaging. refrigerate and use within one month