The Effect of Sirtuin Supplementation During Weight Loss Diet on Body Mass and Composition and Physical Functions in Overweight and Obese Adults
Abstract
Obesity is a chronic, multifactorial disease associated with a high burden of metabolic, cardiovascular, and psychosocial complications. Despite extensive research, the long-term effectiveness of lifestyle-based weight-management strategies remains limited, and there is a growing interest in molecular pathways that may enhance metabolic flexibility and improve treatment outcomes. Among these pathways, the sirtuin (SIRT) family-particularly SIRT1 and SIRT3-has emerged as a promising target due to its involvement in mitochondrial biogenesis, energy expenditure, oxidative metabolism, and the regulation of insulin sensitivity. Bioactive compounds that activate sirtuins, including nicotinamide riboside (NR), nicotinamide mononucleotide (NMN), resveratrol, and selected polyphenols, have shown metabolic benefits in preclinical models; however, high-quality human trials remain scarce and inconsistent.
This project aims to investigate the efficacy of a standardized sirtuin-activator supplement on body-weight reduction, metabolic health, and energy-balance regulation in adults with overweight and obesity. The trial will be a randomized, double-blind, placebo-controlled intervention lasting 24 days. Participants will be assigned to either the sirtuin-activator group or placebo, with both groups receiving standardized dietary plan to ensure consistent caloric intake. The primary outcome will be absolute and relative weight loss, while secondary outcomes will include changes in waist…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 45 participants or records.
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