News · 15 Sep 2026
Study: Signs of Lower Biological Age After Four Weeks of Changed Macronutrient Balance
Older adults who changed the balance of fat, carbohydrates, and animal protein in their diets showed signs of reduced biological age after just four weeks. The strongest result appeared in participants eating an omnivorous, lower-fat, higher-carbohydrate diet.
What the Research Says
Plausible: The study compared different balances of fat, carbohydrates, and animal protein over four weeks in older adults and reports signs of changed biological age.
Source
ScienceDaily: Scientists reversed biological age in older adults in just 4 weeks (2026-09-15)
Every statement on this page carries its evidence tier — proven, plausible or hypothesis — and leads to the original work. The decision in the individual case rests with the practitioner; we provide the connections.