Nutrigenetics and nutrigenomics are two related fields of study that explore the relationship between genetics, nutrition, and health.

Nutrigenetics focuses on how genetic variations or differences between individuals can influence how they respond to different nutrients in their diet. This means that certain people may require different types or amounts of nutrients to achieve optimal health based on their unique genetic makeup.

Nutrigenomics, on the other hand, looks at how nutrients and dietary patterns can affect gene expression, or the way that genes are turned on or off in different cells and tissues in the body. This means that the foods we eat can potentially influence how our genes behave, and ultimately impact our health and well-being.

Together, nutrigenetics and nutrigenomics offer a more personalized and targeted approach to nutrition and health, as they take into account individual differences in genetics and the complex interactions between nutrients and gene expression.