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Home 2. Health 1. Home 2. Gerontology & Geriatrics * * * --------------------------------------------------------------------- February 3, 2025 The GIST Editors' notes This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility: fact-checked peer-reviewed publication trusted source proofread Daily omega-3 fatty acids may help human organs stay young by Nature Publishing Group omega 3 supplements Credit: Pixabay/CC0 Public Domain Consuming one gram of omega-3 per day may slow down the rate of biological aging in humans, according to an analysis of data from a clinical trial involving over 700 older adults over a three-year period. The findings are published in Nature Aging. Previous clinical trial research has shown that restricting caloric intake may slow aging in humans. Other research conducted in animal studies or small pilot trials on slowing biological aging, such as by consuming vitamin D or omega-3, has also shown promising effects. However, whether these interventions work in humans remains unclear. The best of science, now on Instagram! Follow @sciencex.physorg. Researchers Heike Bischoff-Ferrari, Steve Horvath and colleagues used molecular biology tools known as epigenetic clocks to calculate how rates of aging were affected during a clinical trial involving 777 participants aged 70 and older from Switzerland. During the clinical trial, testing eight different groups or treatments, participants consumed 2,000 International units (IU) of vitamin D per day, and/or took 1 gram of omega-3 per day and/or participated in a 30-minute home exercise program 3 times a week across a 3-year span. In an analysis of blood samples, Bischoff-Ferrari and colleagues found that omega-3 consumption moderately slowed biological aging across several of the epigenetic clocks by up to 4 months. This finding was not dependent on the sex, age or body mass index of the participant. Combining omega-3, vitamin D, and exercise was found to work even better, as shown by one of the tests. Additionally, the authors also found that these three interventions together had the biggest impact on lowering cancer risk and preventing frailty over three years. Each intervention works through different but related mechanisms, and when combined, they reinforce each other, creating a stronger overall effect, the authors suggest. The authors note that a key limitation of this work is that there is not a standardized measure of biological aging, and that they opted for the most-validated tests available. Likewise, they acknowledge that their sample of Swiss participants does not represent the average global population of adults aged 70 years and older. More information: Heike A. Bischoff-Ferrari et al, Individual and additive effects of vitamin D, omega-3 and exercise on DNA methylation clocks of biological aging in older adults from the DO-HEALTH trial, Nature Aging (2025). DOI: 10.1038/s43587-024-00793-y Journal information: Nature Aging Provided by Nature Publishing Group Citation: Daily omega-3 fatty acids may help human organs stay young (2025, February 3) retrieved 9 February 2025 from https:// medicalxpress.com/news/2025-02-daily-omega-fatty-acids-human.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. 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The trial used epigenetic clocks to measure aging rates and found that omega-3 intake slowed aging by up to 4 months, independent of sex, age, or BMI. Combining omega-3 with vitamin D and exercise enhanced these effects and reduced cancer risk and frailty. However, the study's findings are limited by the lack of a standardized measure of biological aging and the specific demographic of Swiss participants. This summary was automatically generated using LLM. Full disclaimer Let us know if there is a problem with our content Use this form if you have come across a typo, inaccuracy or would like to send an edit request for the content on this page. For general inquiries, please use our contact form. For general feedback, use the public comments section below (please adhere to guidelines). 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