Female Longevity Masterclass: Vaginal Estrogen, Red Light, Peptides, Stem Cells & Skin Health with Dr. Amy Killen

How much of what we call “aging” is actually preventable?
From blood sugar imbalances and hormone shifts to sleep deprivation, stress, skin health, and muscle loss—women are often told these changes are just part of getting older. But what if there’s more we can do to support longevity, improve energy, and protect our health proactively?
In this episode, Brigid sits down with regenerative medicine physician and longevity expert Dr. Amy Killen to unpack the science behind female aging, hormones, peptides, GLP-1s, red light therapy, stem cells, and the functional medicine strategies that actually matter for women’s health.
What You’ll Learn In This Episode:
Why women should begin tracking hormones and metabolic health in their 30s
The connection between blood sugar and accelerated aging
Early warning signs of perimenopause and low progesterone
Why vaginal estrogen is often overlooked in women’s health
The role of sleep, stress, and nervous system regulation in hormone health
What red light therapy actually does for skin health and mitochondria
The truth about peptides, stem cells, and regenerative medicine
How GLP-1 medications impact body composition, inflammation, and longevity
Functional nutrition and lifestyle strategies that support healthy aging
Timestamps:
00:00 Introduction to Functional Nutrition and Longevity
02:58 Proactive Health Measures for Women in Their 30s
06:12 The Shift from ER to Regenerative Medicine
09:12 The Importance of Hormones in Women's Health
12:04 Vaginal Estrogen and Its Role in Women's Health
14:47 The Connection Between Estrogen and Gut Health
18:00 Addressing Low Progesterone in Women
20:48 Biohacking and Central Nervous System Health
24:03 Red Light Therapy for Skin Health
25:58 Exploring Red Light Therapy
27:20 Understanding Peptides and Their Benefits
28:34 Peptides for Weight Loss: Insights and Opinions
30:59 The Role of GLP-1s in Metabolic Health
34:27 Stem Cells: A New Frontier in Regenerative Medicine
40:29 Skincare Strategies for Longevity
44:02 The Future of Longevity Clinics and Hormone Therapy
Resources & Links:
+ Watch the full episode on YouTube
+ Get the Inflammation Guide here
+ Dr. Amy’s Substack
+ Dr. Amy’s Website
+ Dr. Amy’s Instagram
+ Join The Being Collective
+ Episode 48 Blog
+ Brigid’s Website
+ Brigid’s Instagram
If you enjoyed this episode, be sure to leave a review and share it with a friend who’s interested in hormones, functional medicine, anti-inflammatory nutrition, and eating for longevity.