Isolating one amino acid from our diets isn’t possible, as foods naturally contain a mixture of them—reducing one would require a medication or supplement.
Protein intake and amino acid restriction are topics generating provocative questions in the dietary world. Recently, isoleucine—one of the nine essential branched-chain amino acids found in protein-rich foods—has been at the center of discussions about its role in longevity. Eye-catching headlines, such as ‘This Simple Diet Change Can Increase Life Expectancy by 33%’ and ‘The Isoleucine Paradox: Eat More, Weigh Less, Live Longer,’ spark curiosity about whether restricting this single nutrient might influence our health.
