{"id":18793,"date":"2026-05-06T08:26:01","date_gmt":"2026-05-06T06:26:01","guid":{"rendered":"https:\/\/adntro.com\/es\/?p=18793"},"modified":"2026-05-06T08:26:05","modified_gmt":"2026-05-06T06:26:05","slug":"adn-y-nutricion-guia-para-personalizar-tu-alimentacion","status":"publish","type":"post","link":"https:\/\/adntro.com\/en\/blog\/nutrigenetics\/dna-and-nutrition-a-guide-to-personalizing-your-diet\/","title":{"rendered":"DNA and nutrition: a guide to personalizing your diet"},"content":{"rendered":"

Have you ever noticed that two people can follow the exact same diet and get completely different results? One loses weight easily, the other doesn't make any progress. One digests dairy perfectly, the other experiences discomfort. This difference isn't due to chance or a lack of willpower. Your DNA plays a significant role in how your body absorbs, processes, and responds to every food you eat. In this article, you'll understand what science says about the relationship between genetics and nutrition, how this translates into practical dietary recommendations, and what you can and can't expect from a nutritional genetic test.<\/p>\n

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Key Points<\/h2>\n\n\n\n\n\n\n\n\n\n
Point<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
Genetics guides the diet<\/td>\nYour genes influence how you process and metabolize nutrients, which affects your ideal diet.<\/td>\n<\/tr>\n
Not everything depends on DNA.<\/td>\nThe environment, habits, and microbiome are also key, along with genetics, to understanding your nutrition.<\/td>\n<\/tr>\n
Interpretation requires context<\/td>\nGenetic tests only provide value if they are interpreted with professional help and in conjunction with other health factors.<\/td>\n<\/tr>\n
Science is advancing<\/td>\nNutrigenomics is promising, but there are still limits to what it can predict about our nutrition.<\/td>\n<\/tr>\n
Applying what you've learned is key.<\/td>\nAligning your diet with your DNA can improve your well-being, but it requires practical application and ongoing guidance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Keys to understanding DNA and nutrition: fundamental concepts<\/h2>\n

To understand how your DNA influences what you should eat, you first need to understand two key disciplines. They are not synonymous, even though they sound similar.<\/p>\n

Nutrigenetics and nutrigenomics: what's the difference?<\/strong><\/p>\n

The nutrigenetics<\/a> It studies how individual genetic variations, known as SNPs, influence the response to nutrients and diets, allowing for personalized nutrition based on each person's genetic profile. Simply put: your genetics affect how you react to certain foods.<\/p>\n

Nutrigenomics, on the other hand, looks at the relationship from the other side. It examines how nutrients affect<\/a> Gene expression, including epigenetic mechanisms such as DNA methylation. Basically, it studies how what you eat can activate or silence certain genes.<\/p>\n

If you want to delve deeper into the basics of this topic, the basic concepts of genetics<\/a> They are a good starting point before moving forward.<\/p>\n

What are SNPs and why do they matter?<\/strong><\/p>\n

Single nucleotide polymorphisms (SNPs) are small variations in the genetic code that differ from person to person. There are millions of SNPs in the human genome. Not all of them are relevant to nutrition, but some have a clear and documented impact on how you metabolize certain nutrients, absorb vitamins, or process fats.<\/p>\n

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Professional advice:<\/strong> Not all genetic variants have a clinically relevant impact. The usefulness of a SNP in guiding your diet depends on how much scientific evidence supports that association. Before changing your diet based on a genetic result, verify that the variant analyzed has solid studies behind it.<\/p>\n<\/blockquote>\n

\"Nutritionist<\/p>\n

From genetic testing to nutritional advice: step by step<\/strong><\/p>\n

    \n
  1. Receive the genetic report<\/strong> with the relevant variations for nutrition.<\/li>\n
  2. Identify the areas of greatest impact<\/strong><\/li>\n
  3. Compare with your history<\/strong>\u00a0and any symptoms you have experienced.<\/li>\n
  4. Consult a nutritionist<\/strong> that understands genetic data.<\/li>\n
  5. Design a personalized nutrition plan together with a professional.<\/strong> that integrates genetic information with your preferences and lifestyle.<\/li>\n<\/ol>\n

    The types of metabolism and genetics<\/a> that defines you can guide each of these steps with greater precision.<\/p>\n

    \n

    \u201cThe individual response to diet depends not only on what you eat, but on how your body is designed to process it.\u201d<\/em><\/p>\n<\/blockquote>\n

    The genetic influence on eating habits<\/a> It goes even beyond digestion: it also affects your taste preferences, your feeling of satiety, and your tendency to overeat certain foods.<\/p>\n

    Limitations, controversies, and common myths about genetics and nutrition<\/h2>\n

    Having seen the potential, it's time to analyze the limitations and gray areas of this approach.\u00a0<\/p>\n

    What genetics can and cannot predict<\/strong><\/p>\n

    Genetics can give you valuable information about predispositions. But a predisposition is not destiny. This point is crucial: The science of nutrigenomics is under development<\/a>And although the results are promising, experts warn that there is still not enough evidence to prescribe diets based solely on genetics for the general population.<\/p>\n

    These are some common myths that should be debunked:<\/p>\n