The present invention relates to a process for injection of refrigerated suspended particles into food products and the products resulting from such process. The present invention applies to the food industry in the field of meat products, and reveals those characteristics which are relevant for the process of preparation of said meat products suspension, to be later aggregated on larger sized meat products, as well as those characteristics which are relevant for said injection process. The main object of the present invention is to increase the final product green weight without incurring loss of flavor, shortening of shelf life, nutritional value or texture, making feasible the incorporation of smaller size pieces to a product featuring a higher commercial value. The term meat products is herein used meaning those products extracted from poultry, fish, cattle, pork, sheep, etc., both with and without fat, either in the shape of meat cut or shred, ground meat, frozen meat, semi-frozen meat or refrigerated meat.