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  • Nutrigenomics

    Nutrigenomics is the study of the effects of food and food constituents on gene expression, and how genetic variations affect the nutritional environment. The scientific study of the interaction of nutrition and genes, especially with regard to the prevention or treatment of disease.

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    <p>Nanci Guest, MSc, RD, CSCS, <a href="">Registered Dietitian</a>, discusses What is <a href="">Nutrigenomics </a>and How Can It Help You</p>

    Nanci Guest, MSc, RD, CSCS, Registered Dietitian, discusses What is Nutrigenomics and How Can It Help You

  • What is Nutrigenomics

    While over the past couple of decades we’ve recognized through research that our personal DNA affects how we respond to our environment, whether it be medications, diet, supplements or even our response to exercise.


    Nutrigenomics is indeed the field of study that examines the interactions between our genes and the nutrients we consume. It focuses on how individual genetic variations affect the way our bodies absorb, metabolize, and respond to different nutrients and dietary factors.

    The research in nutrigenomics has shown that our genetic makeup plays a significant role in determining our individual responses to various dietary components. This includes how our bodies process and utilize nutrients, as well as how they affect our health and risk for chronic diseases.

    By understanding the genetic factors involved in nutrient metabolism, scientists and healthcare professionals aim to develop personalized nutrition recommendations and interventions. This approach takes into account an individual's unique genetic profile to optimize their diet and improve their health outcomes.

    In addition to diet, nutrigenomics also explores how genetic variations influence our responses to supplements, medications, and physical exercise. This knowledge can help guide personalized interventions and treatments tailored to an individual's genetic predispositions, leading to more effective and targeted approaches to improving health and reducing the risk of chronic diseases like cardiovascular disease, diabetes, obesity, and high blood pressure.

    It's worth noting that while nutrigenomics has made significant progress over the past two decades, it is still an evolving field, and further research is needed to fully understand the complex interactions between genes, nutrients, and health outcomes.

    nd the area specifically related to diet is called nutrigenomics. And nutrigenomics is basically the study of nutrient diet interactions. And from this science has shown that each of us have unique genetic variations that can affect the way we respond to nutrients in our diet. Often seeing a local family physician or a physiotherapist in conjunction with a registered dietitian and athletic therapist is a great option to take control of this condition. Smart Food Now and exercise is also optominal for overall health.    

    Nutrigenomic testing involves analyzing an individual's genetic variations to determine how they may respond to different nutrients and dietary factors. Saliva samples are commonly used to obtain DNA for analysis in a laboratory setting.

    By examining specific gene-nutrient interactions that have been established through research, professionals can identify genetic variations that may impact an individual's nutrient metabolism, absorption, or utilization. This information can then be used to personalize dietary recommendations and optimize health outcomes.

    For instance, the example you provided about coffee metabolism highlights how individuals with different genetic variations may have varying responses to caffeine. Slow metabolizers may be at a higher risk of experiencing adverse effects such as high blood pressure or an increased risk of heart attack, while fast metabolizers may process caffeine more efficiently.

    Similarly, variations in genes related to sodium metabolism can influence an individual's sensitivity to sodium intake and their risk of developing high blood pressure.

    If someone is interested in nutrigenomic testing to gain insights into how their DNA may affect their nutritional needs and dietary choices, it is advisable for them to reach out to a registered dietitian or another healthcare professional who offers nutrigenomic testing as part of their practice. These professionals can guide individuals through the testing process, interpret the results, and provide personalized dietary recommendations based on the genetic information obtained.

    It's important to note that nutrigenomic testing is still an evolving field, and while it can provide valuable insights, it should be integrated with comprehensive lifestyle and dietary assessments. Consulting with a healthcare professional experienced in nutrigenomics can help individuals make informed decisions and implement appropriate dietary changes based on their genetic profile.

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