Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

Carbohydrate Consumption

Have you ever been curious about the genetic reasons behind why certain people perform well on high-carbohydrate diets but others experience energy drops and weight gain? The answer may lie in your genes. This blog post examines the way genetic components determine your optimal carbohydrate intake which plays a major role in your diet and differs from person to person.

Genetic Trait

In today's dietary patterns carbohydrates serve as the primary energy source while including sugars, starches, and fiber. However, not all carbs are created equal. Sugars represent basic carbohydrates that digest easily and release fast energy which results in blood sugar spikes. Sugary drinks and baked goods represent refined carbohydrates that lead to identical blood sugar level outcomes. Complex carbohydrates located in legumes, whole grains, and vegetables provide a sustained energy release because their sugar molecules remain connected. Fiber acts as a complex carbohydrate which cannot be digested but helps maintain gut health through its role as food for good bacteria. Complex carbohydrates and fiber-rich foods help maintain blood sugar balance while enhancing overall health.

Between 30% and 45% of the variation in carbohydrate intake across individuals has genetic origins. Appetite-related genes along with taste perception and other factors determine your body's ability to process and react to carbohydrates. Lifestyle choices and environmental factors substantially influence how much carbohydrate you consume. Present research shows weak evidence for the genetic model of carbohydrate intake but more studies are needed to draw definitive conclusions.

Your genetic makeup can influence your preferences for carbohydrates and your ability to tolerate them while lifestyle decisions including your eating habits and physical activity levels also determine how much carbohydrates you consume. Implement these tips to adjust your carbohydrate intake according to genetic findings.

  1. Add protein-dense foods to your diet to better control hunger and maintain stable blood sugar levels.
  2. Look for concealed sugars on packaging labels and choose foods that remain in their natural state instead of processed options.
  3. Eliminate sugary drinks from your diet by choosing water or tea and unsweetened coffee instead.
  4. Select sweet treats made from fruits, nuts, and dairy products to fulfill your desire for sweets while avoiding refined sugar health risks.

By learning how your genes affect your optimal carbohydrate intake you can make dietary choices based on informed knowledge to enhance your health and well-being. Gain personalized insights into your dietary genetic traits through Precision Health & Wellness tests provided by PlexusDx. Actively adjusting your diet to match your genetic predispositions allows you to enhance your well-being and vitality. Your genetic profile forms only one element of the complete picture that defines your dietary likes and nutritional needs. A healthcare provider or nutritionist can offer you specialized advice that matches your unique needs and objectives. Begin your path to wellness by using genetic insights to improve your overall health today. You can find Precision Health & Wellness tests at PlexusDx.com, Amazon, or Walmart that enable you to discover the mysteries of your genetic composition.

Keywords: Understanding your genetic traits allows you to customize your diet and lifestyle choices for better blood sugar management and overall well-being.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.

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