October 28, 2025
#382: Building Stronger Women from their 20s to their 70s: Hormones, Iron Testing, and Menopause Breakthroughs With Dr. Amy Killen
LONGEVITY with Nathalie NiddamAbout this episode
Today, I'm thrilled to welcome Dr. Amy Killen , a visionary in hormone optimization and regenerative medicine who is transforming the conversation around women's health and longevity. In this episode, Dr. Killen shares her personal journey—from witnessing her mother's struggle after a hip fracture, to becoming a steadfast advocate for correcting the myths and misinformation that still surround estrogen, progesterone, and testosterone optimization. Episode Timestamps: Ferritin, iron, and hormonal health basics ... 00:00:43 Dr. Amy Killen's evolving hormone focus ... 00:04:02 Women's Health Initiative and estrogen myths ... 00:06:31 Importance of hormone optimization vs. stem cells ... 00:10:25 Testosterone for women: symptoms, labs, delivery options ... 00:12:05 Side effects and nuances of testosterone therapy ... 00:14:01 SHBG, free testosterone, and lab variability ... 00:16:38 Libido, PT-141, and the biopsychosocial lens ... 00:21:46 Iron and ferritin: sweet spot and skin implications ... 00:29:16 Hot vs. HRT: definitions and individualization ... 00:34:23 Debunking estrogen and breast cancer myths ... 00:41:30 Aging expectations and finding the right doctor ... 00:43:18 Advice for women by decade—20s, 30s, 40s, etc. ... 00:47:20 Our Amazing Sponsors: Tro Zzz by Troscriptions - This isn't just melatonin—it's a powerhouse! Oblipair gives you honokiol and agarin to enhance GABA binding, while adenosine and cordycepin boost sleep drive and deep sleep. CBD, CBN, and 5‑HTP round it out. Head to troscriptions.com , use NAT10, and get 10% off your first order. NMN+G Rx by Wizard Sciences - A scientifically formulated blend of NMN, ginsenosides from Panax ginseng, and apigenin. Together, they enhance mitochondrial function, boost NAD+ levels, and support cellular repair. Go to wizardsciences.com and look for NMN+G. Use code NAT15 at checkout to get 15% off your purchase. Probiotic Breakthrough by Bioptimizers : uses a stress-tested Lactobacillus plantarum strain that showed over 30× greater survival in bile and intestinal fluid vs. generic strains. Save 15% at bioptimizers.com/bionat and use code BIONAT for 15% off any order. Nat's Links: YouTube Channel Join My Membership Community Sign up for My Newsletter Instagram Facebook Group