The present invention is directed to a process for the preparation of a predigested nutritional formula as well as the predigested liquid nutritional formula and a kit for the preparation of a predigested nutritional forumla. The predigested nutritional formula comprises digestive enzymes and a liquid nutritional composition comprising a mixture of carbohydrates, lipids, proteins and water.本發明係針對一用來製備預消化之營養配製品以及預消化的液體營養配製品之方法以及一用於製備預消化之營養配製品的試劑盒。該預消化的營養配製品包括多種消化酶以及一液體營養組合物,該液體營養組合物包括碳水化合物類、脂類、蛋白類和水的一混合物。(無元件符號說明)