The rapid increase of healthcare and medication costs is a growing problem for industrialized countries. Several factors contribute to this problem and solutions are imperative to help the situation. In this review, the concept of lactoceuticals is introduced and why this class of product could have an impact in reducing healthcare and medication costs is explained. The term 'lactoceuticals' is defined and the key players already involved in this field are presented. This review will also summarize and list lactoceuticals that have reached a certain market maturity, and innovative lactoceuticals that will soon appear on the market following the correct clinical investigations and regulatory homologations.