Stress-Free Longevity

Stress-Free Longevity

Download on the App Store

Stress-Free Longevity episodes

  • Episode 15: Understanding Dietary Supplements with Professor Joann Manson

    Episode Overview

    In this comprehensive discussion about dietary supplements, Professor Joann Manson from Harvard Medical School shares groundbreaking insights from leading the world's largest supplements trials. As principal investigator of the landmark VITAL study and co-investigator of the COSMOS trial, Prof. Manson provides evidence-based guidance on when supplements are beneficial and when they're not. This conversation cuts through supplement marketing hype to reveal what rigorous science actually shows about supplement effectiveness and safety.

    Key Dietary Supplements Insights:
    • Dietary Supplements Regulation: Over 90,000 supplements exist on the market without requiring proof of safety or efficacy, unlike pharmaceutical drugs
    • Most People Don't Need Supplements: The majority of healthy adults can obtain necessary nutrients from a well-balanced diet without dietary supplements
    • Vitamin D Supplements: Large-scale trials show benefits for autoimmune diseases and advanced cancers, but limited benefits for most people with adequate intake
    • Omega-3 Supplements: Marine omega-3 supplements reduced heart attacks by 28%, but primarily benefit those with low fish consumption
    • Multivitamin Supplements: Clinical trials demonstrate significant benefits for age-related memory loss and cognitive decline
    • Targeted Approach to Supplementation: Benefits occur mainly in people with deficiencies or specific health conditions rather than the general population
    • Want the complete framework?

      Get The Vital 3 Method guide free — the evidence-based system for sustainable health after 40.

      Download the Free Guide
      Expert Dietary Supplements Takeaways
      1. Prioritise a healthy, predominantly plant-based diet before considering supplements
      2. Understand that dietary supplements will never substitute for proper nutrition and healthy lifestyle
      3. Look for quality control seals when purchasing supplements to ensure content accuracy
      4. Consider a multivitamin supplement as "insurance" for cognitive health in older adults
      5. Only take omega-3s if you consume less than 1.5 servings of fish weekly
      6. Discuss vitamin D need with your healthcare provider for specific conditions
      7. Avoid mega-dosing any dietary supplements - excess amounts can be harmful
      8. Remain sceptical of supplements without robust clinical trial evidence
      9. About Our Guest

        Professor Joann Manson is Professor of Medicine at Harvard Medical School and Chief of the Division of Preventive Medicine at Brigham and Women's Hospital. She is an endocrinologist with extensive training in epidemiology, specialising in preventing chronic diseases through research on dietary supplements and lifestyle interventions. Prof. Manson has led groundbreaking large-scale randomised trials testing supplements, including serving as principal investigator of the VITAL trial (testing vitamin D and omega-3s) and co-principal investigator of the COSMOS trial examining multivitamins.

        Visit Prof. Manson's Academic Profile

         

        Watch the 'Dietary Supplements' Interview
        Dietary Supplements Resources
        1. U.S. National Institutes of Health Office of Dietary Supplements - Professor Manson specifically recommended this as having "good summaries of many of these dietary supplements" and called it out as a primary reliable source.
        2. U.S. Pharmacopeia (USP) - Critical for supplement safety. She emphasised looking for this quality control seal to ensure supplements contain what they claim and are free from contaminants.
        3. American Heart Association - She specifically mentioned this as a reliable source for health information, and given the cardiovascular focus of much supplement research, it's highly relevant.
        4. VITAL Trial - Her own landmark study that provides the key evidence base for vitamin D and omega-3 supplements that she discusses extensively in the interview.
        5. COSMOS Trial - Her multivitamin study showing cognitive benefits, which represents some of the most compelling recent evidence for supplement benefits.
        6. 50 min
        7. Episode 14: Understanding Sleep Health with Doctor Allie Hare

          Episode Overview In this comprehensive conversation, Dr Allie Hare, one of the UK's leading sleep specialists and current president of the British Sleep Society, explores the fascinating connections between our gut bacteria, lifestyle choices, and sleep quality. Dr Hare challenges conventional wisdom about sleep optimisation, revealing why trying too hard to perfect your sleep can […]

          The post Episode 14: Understanding Sleep Health with Doctor Allie Hare first appeared on Stress-Free Longevity.

          1 hr 9 min
        8. Episode 13: Understanding Behaviour Change with Doctor Chloe Grimmett

          Episode Overview In this insightful conversation, Dr Chloe Grimmett, a behavioural scientist at the University of Southampton, explores the complex world of behaviour change and sustainable lifestyle interventions. With expertise in health psychology and prehabilitation, Dr Grimmett reveals why willpower alone isn't enough and shares evidence-based strategies for motivation, action, and long-term sustainability of healthy […]

          The post Episode 13: Understanding Behaviour Change with Doctor Chloe Grimmett first appeared on Stress-Free Longevity.

          48 min
        9. Episode 12: Understanding How to Sleep Better with Professor Colin Espie

          Episode Overview In this comprehensive conversation, Professor Colin Espie, Professor of Sleep Medicine at the University of Oxford, shares expert insights on how to sleep better naturally. With over four decades of clinical experience, Professor Espie explains the fascinating science behind sleep stages, debunks common myths, and provides evidence-based strategies for improving sleep quality. This […]

          The post Episode 12: Understanding How to Sleep Better with Professor Colin Espie first appeared on Stress-Free Longevity.

          1 hr 11 min
        10. Episode 11: Understanding Intermittent Fasting with Professor Michelle Harvie

          Episode Overview In this comprehensive discussion, Professor Michelle Harvie, a leading researcher at the University of Manchester, shares her groundbreaking work on intermittent fasting and weight management. As the scientist whose research underpinned the popular 5:2 diet, Prof. Harvie provides evidence-based insights into how different forms of intermittent fasting affect our metabolism, who should consider […]

          The post Episode 11: Understanding Intermittent Fasting with Professor Michelle Harvie first appeared on Stress-Free Longevity.

          57 min
        11. Episode 10: Understanding The Body Clock (Sleep Science) with Professor Russell Foster

          Episode Overview In this fascinating conversation, Professor Russell Foster, Professor of Circadian Neuroscience at Oxford University, reveals the science behind our body clock and its profound impact on health. As the discoverer of the third light-sensing system in the eye, Prof. Foster shares groundbreaking sleep science insights into how light regulates our sleep-wake cycles and […]

          The post Episode 10: Understanding The Body Clock (Sleep Science) with Professor Russell Foster first appeared on Stress-Free Longevity.

          1 hr 21 min
        12. Episode 9: Understanding How To Manage Stress with Professor Marc Jones

          Episode Overview In this comprehensive conversation, Professor Mark Jones, a leading stress researcher from Manchester Metropolitan University, explores the intricate science of how to manage stress effectively in modern life. With extensive research experience in stress psychology and cardiovascular responses, Prof. Jones provides evidence-based insights into chronic stress, challenge versus threat responses, and practical strategies […]

          The post Episode 9: Understanding How To Manage Stress with Professor Marc Jones first appeared on Stress-Free Longevity.

          54 min
        13. Episode 8: Understanding Workplace Physical Activity with Dr Gemma Ryde

          Episode Overview In this enlightening conversation, Dr. Gemma Ryde, a senior lecturer at the University of Glasgow, explores the complex landscape of workplace physical activity. With expertise in physical activity research, particularly within workplace settings, Dr. Ryde discusses why workplaces are simultaneously ideal yet challenging environments for promoting physical activity, the benefits for both employers […]

          The post Episode 8: Understanding Workplace Physical Activity with Dr Gemma Ryde first appeared on Stress-Free Longevity.

          39 min
        14. Episode 7: Understanding Strength Training with Prof Leigh Breen

          Episode Overview In this comprehensive guide to strength training, Professor Leigh Breen from the University of Birmingham shares his evidence-based expertise on how effective resistance exercise promotes healthy aging and longevity. He explains why strength training is essential for maintaining muscle mass as we age, outlines beginner-friendly strength training approaches that anyone can start today, […]

          The post Episode 7: Understanding Strength Training with Prof Leigh Breen first appeared on Stress-Free Longevity.

          1 hr
        15. Episode 6: Understanding Muscle Physiology with Prof Keith Baar

          Episode Overview In this comprehensive discussion on muscle physiology, Professor Keith Baar from the University of California, Davis reveals the science behind how exercise impacts health and longevity. He expertly explains the molecular mechanisms of muscle growth, strength development, and cardiovascular adaptations that occur during different exercise modalities. Professor Barr translates complex muscle physiology concepts […]

          The post Episode 6: Understanding Muscle Physiology with Prof Keith Baar first appeared on Stress-Free Longevity.

          1 hr 4 min

        About Stress-Free Longevity

        From the publisher's feed

        Feeling overwhelmed by conflicting health advice? Join Dr. Eoghan Colgan and leading scientists as they cut through the noise to uncover what really works. We explore the science behind life’s…