The invention relates to a method for improving product preservation. According to the invention the method includes the exposure of products for a pre-set period of time in a space containing a source for the emission of vibrations generated naturally by a colony of bees (1). The method is applied to the treatment of apicultural substances inserted after dilution into a product to be ingested or into a health product or into a cosmetic product so as to improve the preservation capacity thereof. Application to the manufacture of products to be ingested or health products or cosmetic products with a high preservation capacity.
