Distinct factors associated with short-term and long-term weight loss induced by low-fat or low-carbohydrate diet intervention

Cell Rep Med. 2022 Dec 20;3(12):100870. doi: 10.1016/j.xcrm.2022.100870. Epub 2022 Dec 13.

Abstract

To understand what determines the success of short- and long-term weight loss, we conduct a secondary analysis of dietary, metabolic, and molecular data collected from 609 participants before, during, and after a 1-year weight-loss intervention with either a healthy low-carbohydrate (HLC) or a healthy low-fat (HLF) diet. Through systematic analysis of multidomain datasets, we find that dietary adherence and diet quality, not just caloric restriction, are important for short-term weight loss in both diets. Interestingly, we observe minimal dietary differences between those who succeeded in long-term weight loss and those who did not. Instead, proteomic and gut microbiota signatures significantly differ between these two groups at baseline. Moreover, the baseline respiratory quotient may suggest a specific diet for better weight-loss outcomes. Overall, the identification of these dietary, molecular, and metabolic factors, common or unique to the HLC and HLF diets, provides a roadmap for developing individualized weight-loss strategies.

Keywords: RQ; diet; diet quality; individualized weight-loss strategies; low carbohydrate diet; low fat diet; microbiome; precision diets; proteome; weight loss.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, N.I.H., Extramural

MeSH terms

  • Diet, Carbohydrate-Restricted / adverse effects
  • Diet, Reducing*
  • Humans
  • Obesity*
  • Proteomics
  • Weight Loss