the invention relates to the production of bioactive products that are derived from milk proteins for the production of bioactive milk products derived from milk proteins , particularly caseins . the 16 inventive peptides can be obtained chemically , biotechnologically or by means of enzymatic treatment from proteins containing same and give rise to peptides with an antimicrobial activity , an in vitro angiotensin converter inhibitor activity and / or antihypertensive activity and / or antioxidant activity . said nutraceutical products are suitable for use in the food and pharmaceutical industries , both in the form of a hydrolyzate or bioactive peptides .