THE INVENTION RELATES TO ABRASION-RESISTANT FREE-FLOWING GLYCOCYAMINE-CONTAINING MOULDINGS, IN PARTICULAR PELLETS AND EXTRUDATES, AND METHODS FOR THEIR PRODUCTION. THE BULK DENSITY OF THE MOULDINGS IS FROM 350 TO 850 KG/M3, AND THEIR GRAIN SIZE RANGE IS FROM 32 TO 2750 &MGR;M, AND THEIR GLYCOCYAMINE CONTENT IS FROM 55 TO 99.9% BY WEIGHT, BASED ON THE TOTAL WEIGHT, AND THEY ARE PARTICULARLY SUITABLE AS FEED ADDITIVES.