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Precision Nutrition

Learn why one diet doesn't fit everyone, and how genetic variation influences how your body processes nutrients, vitamins, and supplements.

16 articles in this category
Precision Nutrition

Vegetables First, Carbohydrates Last? What Food Order Can and Cannot Change

Meal sequence may modestly influence post-meal glucose, but food order is not a substitute for food quality, medication, or total nutrition. Its best use is as a low-burden experiment within a larger plan.

CET
CoGenetix Editorial Team
5 min
Precision Nutrition

Ultra-Processed Foods and Personal Response: What Can Actually Be Personalized

Food processing is linked with health outcomes, but the category is broad and individual response varies. Precision nutrition can refine choices without pretending that every packaged food is equivalent.

CET
CoGenetix Editorial Team
6 min
Precision Nutrition

Protein Quality, Quantity, and Context: Why Personalized Nutrition Is More Than Hitting a Macro

Protein is often reduced to one daily number. In reality, age, training, appetite, energy intake, food quality, and health context all influence a useful strategy.

CET
CoGenetix Editorial Team
4 min
Precision Nutrition

Continuous Glucose Monitors for People Without Diabetes: Useful Feedback or Too Much Data?

CGMs can make invisible glucose patterns visible, but more data does not automatically mean better nutrition. Interpretation matters—especially in people without diabetes.

CET
CoGenetix Editorial Team
4 min
Precision Nutrition

Fermented Foods and the Microbiome: Promising Science, Practical Limits

Fermented foods may influence the gut microbiome, but kimchi, yogurt, kefir, and kombucha are not interchangeable and more is not always better.

SC
Sean Charsley
8 min
Precision Nutrition

Chrononutrition: Can Meal Timing Improve Metabolic Health?

What you eat remains central, but emerging chrononutrition research suggests that when you eat can also influence glucose control, appetite, and metabolic rhythms.

CET
CoGenetix Editorial Team
8 min
Precision Nutrition

Protein Timing for Healthy Aging: Does Distribution Matter More Than the Daily Total?

Many adults eat little protein at breakfast and most of it at dinner. Research asks whether distributing adequate protein across meals can better support muscle as the body becomes less responsive with age.

CET
CoGenetix Editorial Team
8 min
Precision Nutrition

Salt Sensitivity: Why Sodium Affects Blood Pressure Differently

Public-health guidance must work for populations, while precision nutrition asks how an individual responds. Salt sensitivity is where those two perspectives meet.

CET
CoGenetix Editorial Team
8 min
Precision Nutrition

Fiber Is Not One Nutrient: How to Match the Type to the Goal

"Eat more fiber" is sound population advice, but it is incomplete personal guidance. Different fibers have different physical properties, food sources, benefits, and tolerability.

BM
Ben Martin
7 min
Precision Nutrition

Why the Same Meal Affects People Differently: The Science of Post-Meal Responses

People can have meaningfully different glucose, insulin, and triglyceride responses to similar meals. Precision nutrition uses those differences to generate better hypotheses, but it still depends on dietary quality, context, and careful testing.

SC
Sean Charsley
9 min
Precision Nutrition

Peptides and Precision Nutrition: How Diet Shapes Peptide Efficacy

What you eat before, during, and after a peptide protocol is not incidental. Nutritional status influences peptide receptor sensitivity, enzyme activity, and downstream signaling in ways that can meaningfully amplify or blunt results.

SC
Sean Charsley
8 min
Precision Nutrition

Personalized Supplementation: Moving Beyond Guesswork

Most people choose supplements based on general wellness trends, friend recommendations, or marketing claims. A genetics-informed approach replaces guesswork with specific, evidence-based rationale for what your biology may actually benefit from.

TZ
Tyler Zollinger
8 min
Precision Nutrition

Micronutrient Processing and Genetic Variation

Standard dietary reference intakes assume an average population. Genetic variation means your actual requirements for specific micronutrients may differ meaningfully from that average and identifying where matters.

SC
Sean Charsley
8 min
Precision Nutrition

Vitamin D, Genetics, and Personalized Wellness

Vitamin D is essential for bone health, immune regulation, and a surprisingly wide range of biological processes. But how efficiently you synthesize, transport, and utilize it is meaningfully shaped by your genes.

SC
Sean Charsley
7 min
Precision Nutrition

MTHFR, Folate, and the Complexity of Nutrient Processing

MTHFR is one of the most discussed genes in consumer genetics. Understanding what it actually does, what variants mean, and what they do not mean is essential for anyone navigating this area.

SC
Sean Charsley
9 min
Precision Nutrition

Why One Diet Does Not Fit Everyone

The search for a single universally optimal diet has repeatedly failed. Decades of research and emerging genetics science explain why individual biological variation means personalized nutrition is not a luxury, it is the logical conclusion.

BM
Ben Martin
8 min