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The surprising reason why Vietnamese people stay lean

Good morning health hackers,

Why are Vietnamese people so lean, despite having one of the worst obesity-related genetic profiles?

There’s a gene called MC4R that plays a huge role in hunger and appetite. People with this gene variation often experience intense hunger because their bodies are wired to keep eating until all nutritional needs are met—a survival mechanism from our ancestors.

So why isn’t this gene causing widespread obesity in Vietnam?

According to the Global Obesity Observatory, only 1.97% of men in Vietnam are obese, compared to a staggering 42% in the U.S.

here’s the secret:

The key lies in Vietnamese food culture.

Every meal is packed with variety—crunchy vegetables, soupy broths, tangy sauces, and savoury proteins. This variety doesn’t just satisfy your taste buds—it satisfies your brain’s need for diverse nutrients, helping to curb that relentless hunger driven by the MC4R gene.

instead of relying on extreme diets or intense workouts, they align their eating habits with their genetics.

This intuitive approach has kept them lean and healthy for generations.

what does this mean for you?

If you’ve struggled with cravings, hunger, or weight issues, your genetics might be playing a bigger role than you think. By understanding your genetic profile, you can:

  • Learn what foods to eat (and avoid) based on your DNA

  • Manage cravings and optimise your metabolism

  • Discover the best workouts for your unique body type

  • Identify any vitamin and mineral deficiencies holding you back

Curious to understand your genetic profile and unlock your optimal health? Get your DNA Tested here. Stick around—I’ve got more insights coming your way soon.

To your health and balance,
Gary

PS. If you are needing personalized support in your health, book a call with my team here.