The Hidden Immune Signal Accelerating Aging & the Beta-Glucan That Fixes It

Beta-glucans might be one of the most overlooked levers in immune resilience, and that has major implications for longevity. Talking with my long-time friends and colleagues Drs. Bob Rountree and Chris D’Adamo reminded me just how powerful this molecule truly is. The clinical reach here is stunning, from immune aging and cancer support to vaccine response, gut–brain effects, and overall resilience. What struck me most is how beta-glucans help the innate immune system respond more effectively over time, from overtraining and chronic infections to vaccine responsiveness. Clinicians really need this on their radar. I think you’re going to find this conversation eye-opening. ~DrKF Check out the show notes at for the full list of links and resources. GUEST DETAILS Bob Rountree, MD, is a leading figure in integrative and functional medicine with more than 40 years of clinical experience. Medical Director of Boulder Wellcare and long-time IFM faculty, he is widely published and a respected educator in personalized medicine, botanical therapies, and immune health. Chris D’Adamo, PhD, is a research scientist and epidemiologist focused on how nutrition, lifestyle, and environmental factors influence health. An Assistant Professor at the University of Maryland School of Medicine, he has led numerous clinical studies, published widely, and is a trusted advisor and educator in integrative and lifestyle medicine. THANKS TO OUR SPONSOR BetterWay Health (Consumers) BWHLabs (Practitioners) WEBSITE: EXCLUSIVE OFFER FOR NEW FRONTIERS LISTENERS Book a practitioner call and receive a complimentary bottle of beta-glucan to try personally or with a patient at CONNECT with DrKF Want more? Join our newsletter here: Or take our pop quiz and test your BioAge! YouTube: Instagram: Facebook: DrKF Clinic: Patient consults with DrKF physicians including Younger You Concierge: Younger You Practitioner Training Program: Younger You book: Better Broths and Healing Tonics book:

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The Hidden Immune Signal Accelerating Aging & the Beta-Glucan That Fixes It is an episode from New Frontiers in Functional Medicine by Dr. Kara Fitzgerald - Functional Med & Longevity.

This episode is 01:05:49 long.

This episode was published on Dec 2, 2025.

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