Biologically active additive “Isabella” is a natural-balanced pasty product, in which the content of vitamins, organic acids, pectin, etc. far exceeds the content in "Isabella". Ingredients: concentrated juice of grapes “Isabella”100%. BAD obtained by concentrating the juice of grapes “Isabella” at temperatures up to 45○ C in a vacuum. The content of soluble solids of more than 75○ Brix. BAD rich in organic acids, pectin, antioxidants, vitamins, tannins and minerals. The high content of pectin makes the jelly-like product. 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 improves the work of cardiovascular system, normalizes blood pressure, increases hemoglobin levels; removes waste and toxins. The yield is 7 %: to produce 1 kg of product requires 14 kg (2 pails) of grapes. Storage life: more than 3 years in normal conditions at room temperature. Specific gravity: 1.4 kg/L.