Whey peptide for use as ingredients in the manufacture of dietary and nutritional supplements, food and beverages, and animal feed; peptide for use as ingredients in the manufacture of dietary and nutritional supplements, food and beverages, and animal feed; proteins for use in the manufacture of dietary and nutritional supplements, food and beverages, and animal feed; dairy products, namely, ceramide, milk ceramide, sphingomyelin, and lactoferrins, for institutional or industrial use as raw materials for the manufacture of dietary and nutritional supplements, food and beverages, and animal feed; active chemical ingredients for use in the manufacture of dietary and nutritional supplements, food and beverages, and animal feed; probiotic bacteria for use as ingredients for dietary and nutritional supplements, food and beverages, and animal feed