By: Lisa Spriet, MSc, RD

We live in a world overflowing with nutrition advice—from trendy diets and superfoods to influencer-endorsed supplements. Yet despite this abundance of information, many people still struggle to feel their best, manage their weight, or prevent chronic disease. Why? One major reason is that what works for one person may not work for another.

Have you ever wondered why a dietary approach that works for a friend doesn’t work for you? Perhaps the answer is in our biology. 

In recent years, science has begun to uncover one of the most important missing pieces of the health puzzle: your genes. Your DNA plays a major role in how your body responds to food—how you metabolize nutrients, how you manage inflammation, even how you process things like caffeine or fat. In fact, your metabolic rate can be influenced by your genetics. And thanks to the advancing field of nutrigenomics, we now have the tools to personalize nutrition in a way that was never possible before.

This is more than just a trend. With a significant spike in public interest, personalized, DNA-based nutrition is quickly becoming one of the most sought-after approaches in preventive health and fitness optimization and is one of the most utilized tools at NutriProCan. And if you act early, you can put yourself in a winning position—not just for now, but for decades to come.

Why Genetic Testing Is Valuable at Any Age

Why Nutrition Becomes Even More Important With Age

In your younger years, your body can handle more stress—from late nights and skipped meals to excess sugar and living off processed and fast foods. But as you move into your 40s, 50s, and beyond, your body’s resilience begins to wane. Muscle mass declines. Hormonal shifts change your metabolism. Nutrient absorption slows. Your risk for chronic illnesses—like heart disease, diabetes, and osteoporosis—climbs steadily.

In short, your margin for error shrinks.

At the same time, the right nutrition can do more than just prevent disease and manage weight—it can improve energy, mood, cognitive clarity, immune function, and longevity. Your body is still capable of incredible resilience—but it needs the right support. And that’s where personalized nutrition becomes a game-changer.

Enter Nutrigenomics: Your DNA as a Health Blueprint

Nutrigenomics is the science of how your genes interact with nutrients. Instead of applying one-size-fits-all dietary recommendations, nutrigenomics looks at how your individual genetic makeup influences nutrient needs, sensitivities, metabolism, and health risks.

Thanks to tools like the Nutrigenomix Health Report, this level of personalization is now accessible. The report analyzes over 70 scientifically validated genetic markers across categories like:

• Nutrient metabolism

• Cardiometabolic health

• Food intolerances

• Weight management

• Eating habits

• Physical activity response

• Inflammation

Let’s take a look at how this science works in real life—and why it matters at every age.

Real-Life Genetic Insights from the Nutrigenomix Health Report

2. Vitamin D Receptor (VDR gene)

Even with supplements or sun exposure, some people still struggle with low vitamin D levels due to genetic variants in how vitamin D is absorbed and utilized, which is compounded by a natural decrease in vitamin D production as we age. This is especially important for older adults at risk of osteoporosis or weakened immunity.

Optimization Tip: If you carry this variant, you may need a higher dosage of vitamin D and regular blood testing to ensure adequate levels—especially in winter or with limited sun exposure.

3. Omega-3 Fat Conversion (FADS1 gene)

Omega-3 fatty acids are crucial for heart and brain health. But if your body has a limited ability to convert ALA (from plant sources like flaxseed) into active EPA and DHA, you may not be getting the full benefit. Some people are not as good at converting. 

Optimization Tip: If you’re a poor converter—especially if you’re vegan or over 50—consider adding an EPA/DHA supplement to support cardiovascular and cognitive function. If you are vegan, consider an algae-based supplement. 

4. Lactose Intolerance (MCM6 gene)

Many people lose the ability to digest lactose with age, but this isn’t true for everyone. Your genes can reveal whether you have the “lactase persistence” variant that allows you to continue enjoying dairy into adulthood. 

Optimization Tip: If you have the lactase persistence variant, dairy can remain a valuable source of protein and calcium. If not, lactose-free or plant-based alternatives may be better tolerated. Keep in mind that the amount of protein, calcium and vitamin D we need also depends partly on our genetics. 

5. Saturated Fat and Weight Gain (APOA2 gene)

This gene affects how your body stores fat in response to saturated fat intake. People with a certain variant are more prone to weight gain and inflammation when eating a diet high in saturated fats.

Optimization Tip: Replace saturated fats (butter, fatty meats) with unsaturated fats (olive oil, avocado, nuts) to better manage weight and reduce inflammation—especially important in midlife and for those with this gene type.

6. Sodium Sensitivity (ACE gene)

Some individuals are genetically more sensitive to sodium, meaning their blood pressure responds more dramatically to salt intake—especially as they age. This can elevate the risk of hypertension and cardiovascular disease, even when sodium intake is within “normal” ranges.

Optimization Tip: If you’re sodium-sensitive, prioritize fresh, whole foods over processed options and monitor blood pressure regularly. Herbs, spices, and potassium-rich foods like leafy greens can help balance sodium’s effects.

The Case for Personalized Nutrition

It is true that we are all human and traditional dietary guidelines can be very helpful, they often miss the mark for individual needs—especially as we age. By layering genetic insight on top of evidence-based nutrition, you create a far more targeted and effective health strategy. You’re no longer guessing. You’re acting on data that’s specific to you.

Getting Started with Your DNA-Based Nutrition Plan

If you’re curious about how your genetics may be influencing your health, the first step is easy: get tested. The Nutrigenomix Health Report is a trusted tool used by registered dietitians. It’s backed by scientific research and focuses on actionable recommendations you can implement right away. It is not direct-to-consumer, which means your personal information is never shared. 

Work with a healthcare professional who can help interpret your results and guide you in building a personalized, age-appropriate nutrition and lifestyle plan. NutriProCan dietitians have been using Nutrigenomix with clients for over 10 years. 

Final Thoughts: Future-Proof Your Health

The science is clear: your genes influence how you absorb nutrients, manage weight, tolerate food, and respond to diet and exercise. And while your DNA doesn’t change, your choices can. By applying genetic insights to your nutrition strategy, you can create a plan that supports your health not just today, but for years to come.

This approach is proactive, not reactive. It’s about preventing the problems before they start—protecting your heart, bones, brain, and metabolism with every bite you take.

As more people look for precision in their wellness routines, now is the time to embrace this next evolution in preventive care. With tools like Nutrigenomix, you can take control of your health at every age—empowered by science, guided by your biology, and supported by choices that align with your unique needs.

You’re not just eating for your age—you’re eating for your DNA.

Download A Sample Report And Learn About 70 Genes For Nutrition, Health And Fitness.

“To eat is a necessity, but to eat intelligently is an art.”― François de la Rochefoucauld