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Weight loss trend 2022: this is how the genetic diet works

How does the personalized genetic diet work?

The idea sounds tempting: a bespoke nutrition plan based on DNA analysis. Lose weight and live healthy with the help of your genome information. Providers of such genetic diets and nutrigenetic analyzes sell test kits to interested parties with which they can take a saliva sample. The saliva sample is then sent to the genetic testing provider, who has the sample tested in the laboratory. In most cases, the genes are actually sequenced. After a few days or weeks, clients then receive the result of the genetic analysis and find out, for example, what their genes reveal about their metabolic types, which sports activities promise success or what amount of calories is optimal. Alone: Science is still a long way from naming the actual causal relationships between certain genes and the use of food. Although the connections between genes and some diet-related diseases are known, this is still not enough for the creation of personalized nutrition plans.

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Some providers of DNA and metabolic analyzes using self-tests divide so-called metatypes. The idea: a brief genetic analysis allows conclusions to be drawn about the respective metabolic types. Depending on the type of metabolism, different forms of nutrition are recommended to lose weight or to maintain a healthy normal weight. Common metatypes in such metabolic assessments are:

  • metatype alpha: can process proteins well and should avoid carbohydrates
  • metatype beta: Can process foods rich in protein and fat well, but should avoid carbohydrates if possible
  • metatype range: Proteins and fats should be avoided, but carbohydrates can be processed well
  • metatype delta: Carbohydrates and fats can be metabolized well, but proteins cannot.

Nutrigenetics: Don’t blindly trust lifestyle products

The nutrigenetics approach is quite understandable. Our genes determine the blueprints of our body and how all the metabolic processes that our body carries out work. How we react to food, whether we are prone to allergies or are prone to developing certain diseases, depends on the individual variations of our genes. Therefore, it is natural to explore the extent to which our genes affect the way nutrients are processed and converted in our body.

And no matter how great many people’s desire for personalized nutritional counseling based on genetic analysis, there is still no scientific basis for making reliable claims about the interaction between genes and nutrition. Many test kits available free of charge for individual genetic testing are pure lifestyle products. It is not yet possible to draw specific genetic conclusions on personalized nutritional recommendations. If you want to lose weight or live a healthier life with nutrigenetics, never blindly trust the results of genetic tests. Use the results as a guide to learn more about a specific food or diet, but don’t get bogged down in unscientific genetic analysis. The best way to lose weight and live a healthier life is through a balanced diet of fresh fruit and vegetables and sufficient physical activity.

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