The dried fruits of Garcinia cambogia L. are extracted using the water-alcohol percolation method, the resulting extract is concentrated according to the content of hydroxycitric acid, which is stabilized by adding the necessary salts, then purified and dried. Thus, the extract from garcinia fruits is produced in the form of various specifications: when stabilized with calcium salts, an extract is insoluble in water; when stabilized with potassium and magnesium salts, the extracts are highly soluble in water.