Carb sensitivity and your diet type
The endless low-carb versus low-fat argument has a quiet answer: the best diet depends on your genes, and the two camps are both right, for different people.
FTO · PPARG · APOA2 · ADRB2 · FABP2For every person who thrives on low-carb there is another who does better cutting fat. They are not imagining it. Your genetics tilt you toward a nutritional type, and matching your diet to it beats following whichever approach is fashionable.
Your nutritional type
Genetically, people fall along a spectrum from carbohydrate-sensitive to fat-sensitive to mixed. Carb-sensitive people gain weight more easily from carbohydrates and respond well to lowering them; fat-sensitive people are the mirror image; mixed types have more flexibility.
The genes behind it
A cluster of genes — FTO, PPARG, APOA2, ADRB2 and FABP2 — combine to set this type. No single gene decides it; it is the pattern across them that tilts whether carbohydrates or fat are the bigger weight driver for you.
Why generic diets fail so often
A diet that ignores your type asks half the population to fight their own metabolism. That is a major reason the same popular plan produces dramatic results for one person and frustration for the next.
Matching your diet, lower-carb or lower-fat, to your genetic nutritional type beats following a generic plan that ignores it.
What actually helps
Carb-sensitive types do best reducing refined carbohydrates and favouring protein, fibre and quality fats; fat-sensitive types do the opposite; mixed types can balance both. The genotype turns “try a diet and see” into a starting point that already fits you.
The science, in depth
The nutritional-type axis integrates FTO and PPARG (energy balance and adipogenesis), APOA2 (a gene-diet interaction with saturated fat), ADRB2 (sympathetic lipolysis) and FABP2 (fat absorption), whose combined genotype predicts the relative weight response to carbohydrate versus fat intake.
Watch: Dr. Wallerstorfer explains it
A short lecture in which Daniel explains how gene defects decide whether you gain weight from carbs or fat.
Go deeper
Everything behind this Gene Story: what your personal report shows, Dr. Wallerstorfer’s explanation, and the full scientific review.
Your report chapter
Your Weight analysis defines your nutritional type from a cluster of genes and whether a lower-carb or lower-fat approach fits you.
See what the analysis covers →Dr. Wallerstorfer explains it
A short lecture in which Daniel explains how gene defects decide whether you gain weight from carbs or fat.
Watch the lecture →Scientific review
The full internal Novogenia laboratory review on nutritional type and carbohydrate sensitivity is available to partners on request.
Your personal Weight report
This Gene Story is one chapter of the Weight analysis, where it appears with your own genotype, a colour-coded verdict and recommendations tailored to you.
See your own diet-type genetics
A single DNA analysis shows whether a lower-carb or lower-fat approach fits your genetics.
Explore the Weight analysis →