Biologically active food Supplement “Watermelon” – nardek is a natural-balanced pasty product, in which the fructose, vitamins, organic acids, pectin etc. is much higher than the contents in the berries. Ingredients: concentrated juice of watermelon is 100%. BAD obtained by concentrating the juice of watermelon at temperatures up to 45○ C in a vacuum. The content of soluble solids of more than 75○ Brix. BAD rich in fructose, pectin, carotene, vitamins C, E, PP, b group, trace elements Mg, Fe, organic acids, pectin, alkaloids. BAD ready for immediate use and can be used to develop products for children and functional foods, improving the nutritional value of known products, creating food supplements, obtaining of the restored natural juice etc. BAD has diuretic, decongestant, antibacterial action, normalizes the cardiovascular system; removes oxalates, urate, uric acid, toxins, lowers cholesterol in the blood. Output is 3 %: to get 1 kg of product requires 33 kg of watermelon. Storage life: more than 3 years in normal conditions at room temperature. Specific gravity: 1.4 kg/L.