With a shift in worldwide concern for food quality over quantity, consumer concern and healthy food selection has become a top priority. The term "personalised or precision nutrition" was coined as a result of this. Personalized nutrition is a method of developing a combination of nutritional advice, products, or services based on the specific characteristics of an individual. It aids individuals in making long-term dietary changes that are advantageous to their health." Precision nutrition, personalized tailored nutrition, nutrigenomics, and stratified nutrition are all concepts that are somewhat interchangeable with personalized nutrition. Personalized nutrition is the use of a person's genetic, phenotypic, medical, nutritional, and other vital information to provide tailored healthy eating and nutritional advice based on their needs. In the case of personalised nutrition, most researchers and stakeholders have focused on genotypic or phenotypic traits.