Thymosin Alpha-1: Rebuilding the Immune System After 40

If you have caught more illnesses in the last two years than the prior twenty, if your body has stopped bouncing back from infections, if you have an autoimmune condition that flared in midlife, or if a viral infection left a shadow you can’t shake — this episode is for you.Dr. Tracy Page walks through the science of thymic involution, the silent disappearance of the gland that trained your immune system, and the peptide called thymosin alpha-1 that has been studied in over 4,400 patients across more than 80 clinical trials. Featuring the case of “Karen,” a 49-year-old patient with four respiratory infections in eight months, Hashimoto’s, and lingering long COVID symptoms.In this episode, you will learn: why your thymus has been shrinking since you were a teenager and what that means for your immune system at 50; the difference between immunosenescence and inflammaging and why both happen at the same time; how thymosin alpha-1 works bidirectionally to support both under-active and over-active immune systems; the seven clinical situations where thymosin alpha-1 makes the biggest difference; the typical clinical protocol used in functional medicine; and five specific things you can do this week to support your immune function even before you see a physician.Key Topics Covered:How the thymus gland changes after age 40 and why it mattersThe connection between chronic infections, autoimmune disease, and fatigueWhat Thymosin Alpha-1 does and how it supports immune functionThe role of hormones, sleep, vitamin D, and stress in immune healthWhy restoring immune balance may improve long-term wellnessListen now to discover what may be happening beneath the surface of midlife immune changes and what steps can help support a stronger, more resilient future. *********************Midlife Clarity with Dr. Tracy Page is a podcast for women over 40 navigating hormones, metabolism, strength, and healthy aging during midlife, perimenopause, and menopause.Connect with Dr. Page:Dr. Tracy Instagram: https://www.instagram.com/tracypagemd/Dr. Tracy Facebook: https://www.facebook.com/drtracypage/Connect with The Wisconsin Institute of Functional Medicine (WIFM):Website: Wisconsin Institute of Functional Medicine (WIFM)           https://wisconsinfunctionalmed.com/WIFM Instagram: https://www.instagram.com/wisconsinfunctionalmed/YouTube - Wisconsin Institute of Functional Medicine: https://www.youtube.com/channel/UC_oZu2b83V06C0szpKmUU9gDISCLAIMER: The information shared on this podcast is for educational purposes only and is not intended as medical advice. It does not replace a consultation with your own physician or qualified health care provider. Always seek professional medical guidance regarding your personal health concerns.© 2026 Dr. Tracy Page