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Know Your Genes: AGT “Salt Sensitivity Gene”

The Angiotensinogen (AGT) gene is associated with the synthesis of angiotensinogen, a part of the renin-angiotensin system and a precursor to the hormone angiotensin II. Angiotensin is shown to be associated with narrowing of the blood vessels which may increase blood pressure. Angiotensinogen is also associated with the production of aldosterone, which is associated with the absorption of salt and water in the kidneys.

People with certain variants of this gene are associated with increased production of angiotensinogen, which makes them salt sensitive, with increased retention of sodium in the blood.

Association with Salt Sensitivity:

In a study conducted on hypertensive men and women, people with the G variant of the gene were associated with greater blood pressure reduction on low salt intake than people with the A variant.






[Limitation]Salt Sensitive

[Limitation]Greater increase in blood pressure on a high salt intake

  • People with a high blood pressure should practice mindful consumption of salt in the diet
  • Packaged soups, potato chips, sauce tend to have higher salt content
  • The adequate intake of salt in the diet is 1600mg which is equal to half a teaspoon of salt per day

Intermediate response to salt intake and blood pressure


[Advantage]Normal Salt Sensitivity

[Advantage]No significant increase in blood pressure in response to high salt diet

  • Ensure optimum intake of salt in the diet





Find out which variation of the gene you carry and more at

“Nutrigenetics, fitness genetics, health genetics are all nascent but rapidly growing areas within human genetics. The information provided herein is based on preliminary scientific studies and it is to be read and understood in that context.”

Amrita Surendranath
Amrita Surendranath
Amrita has a Masters in Human Genetics which fuelled her passion for genes and their diktats. She loves converting genetic research into exciting scientific news with a punch. 10 years on, her interesting insights have covered a range of topics that include cancer, diabetes, nutrition, fitness and more. A pulse on what’s interesting aids in decoding laboratory data into useful science that could empower people into molding healthier lifestyles.