LONGEVITY with Nathalie Niddam

Today, I'm joined by the insightful Courtney Van Bussum, a biomedical engineer and entrepreneur who has become a rising force in longevity science. Courtney shares how growing up in a family of healthcare innovators shaped her journey, and how she pivoted from startup life to tackling age-related challenges—especially when COVID brought her back to her roots and reignited her passion for cellular health.


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Episode Timestamps:
Welcome and introduction to Longevity Podcast ... 00:00:00
Challenging beliefs about aging and cellular health ... 00:12:00
Deep dive into NAD+ biochemistry and cellular function ... 00:13:08
NAD+/NADH balance: Why both matter ... 00:15:24
Why NAD+ declines: Not just aging, but increased degradation ...00:18:26
The role of CD38 and NMNT enzymes in NAD metabolism ... 00:20:14
Controversy and confusion: NAD+ precursors (NR, NMN) and IVs ... 00:22:28
Methylation's hidden importance in NAD supplementation ... 00:30:55
Supplementing 1-MNA: Understanding dosages and applications ... 00:50:54
Assessing NAD+ status: Biomarkers and limitations of testing ... 00:53:01
Lifestyle ROI: Sleep, exercise, and circadian rhythm for NAD preservation ... 00:57:14
Ketones: Beyond performance, supporting cellular energy and longevity ... 01:06:03
Future of NAD science: Anticipating new insights and risks ... 01:11:45
Confidence and humility: Advice for navigating the longevity field ... 01:18:52
 
Our Amazing Sponsors:
Qualia Creatine+ by Qualia Life – A clinically formulated blend of two highly bioavailable forms of creatine plus magnesium and electrolytes to support lean muscle, cellular energy, and brain health—especially for women over 40 who naturally produce less with age. Go to qualialife.com/nathalie and use code NATHALIE to save up to 50%, plus an additional 15% off.
 
Complete Liver Complex by LVLUP Health - supports your liver's natural detox pathways so your body can reset after the holidays without suffering. Go  to lvluphealth.com and use code NAT for 20% off.

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Dr. Bill Lawrence Episode

Today, I'm joined by the innovative Dr. Cynthia Keller, a pediatrician whose passion for integrative and functional medicine has reshaped how we understand post-COVID health challenges. Dr. Keller opens up about her journey from conventional medicine to designing unique solutions for children and families, revealing how her care, presence, and determination to "solve the unsolvable" led to breakthroughs in treating mood changes, weight gain, and energy loss after COVID.
Special Offer:
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Episode Timestamps:
Introduction and host's mission ... 00:00:00
From standard care to integrative pediatrics ... 00:05:05
Patterns in pediatric development and disease ... 00:09:19
Gut health, emotional factors, and parenting ... 00:10:44
Clinic model and multidisciplinary care ... 00:15:04
Post-COVID nutrient depletion: clinical discoveries ... 00:18:03
Key depleted cofactors and rapid recovery ... 00:19:31
COVID's ongoing impact on gut and microbiome ... 00:24:39
Grassroots collaboration and evolving strategies ... 00:26:28
Clinical patterns: mood, weight, thirst ... 00:36:02
Family-wide interventions and quick results ... 00:46:24
Symptoms-based approach, minimal testing ... 00:52:07
Supplementation protocol and cautions ... 00:57:14
Product development and access ... 01:08:22
Infant microbiome and generational shifts ... 01:10:28
Pediatricians: importance of listening and presence ... 01:20:09
Love and connection in clinical care ... 01:21:01
Modern dysregulation: loss of boredom ... 01:22:28
 
Our Amazing Sponsors:
Ozlo - use smart sound engineering and sleep detection to help you stay in deeper, more stable sleep all night. Create your ideal sleep environment anywhere: go to ozlosleep.com/nat and use code NAT to get $75 off.
 
Youth Daily by Young Goose — An all-in-one moisturizer powered by NAD+ nano precursors to boost elasticity, smooth wrinkles, and keep your skin looking fresh, dewy, and full of life; grab yours at younggoose.com and use code Nat10 for first orders or this link and code 5NAT for returning customers.
 
Mitopure Longevity Gummies by Timeline — Clinically backed Urolithin A supports mitochondrial health to boost energy, recovery, and healthy aging, all in an easy daily gummy instead of another pill; go to timeline.com/nat20 for 20% off Mitopure Gummies.
 
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Dr. Bill Lawrence Episode

Today, I'm joined by the remarkable Cathy Eason, whose work in the nitric oxide and vascular health space is changing the conversation around resilience and heart health for midlife women. Cathy dives into why cardiovascular disease is still the number one threat to women globally, and how the drop in estrogen during menopause impacts nitric oxide production—an overlooked factor that quietly influences everything from energy to cognition.
Visit https://berkeleylife.pxf.io/NIDDBL and use code NAT20 for 20% off.
 
Episode Timestamps:
Podcast welcome and cardiovascular focus ... 00:00:00
Introducing Cathy Eason, nitric oxide updates ... 00:03:26
Menopause as a vascular event ... 00:08:50
Everyday signs of cardiovascular decline ... 00:11:19
Body awareness and tracking health metrics ... 00:14:15
Healthy labs but low resilience ... 00:16:56
Defining and understanding menopause ... 00:22:48
Systems affected during menopause ... 00:25:26
Nitric oxide's critical role ... 00:44:24
Testing and optimizing blood flow ... 00:48:14
Value of health patterns over labs ... 00:55:09
Communicating health trends to providers ... 00:56:32
Berkeley Life supplement recommendation ... 00:59:02
Prioritizing basic health habits ... 01:01:58
Longevity reframe: thriving with age ... 01:06:46
Advice for early action ... 01:07:09
 
Our Amazing Sponsors:
Primeadine by Oxford Healthspan — A food-derived spermidine supplement that supports autophagy and cellular renewal without fasting, made from Japanese wheat germ with clean, rigorously tested ingredients (including a gluten-free option); visit oxfordhealthspan.com/BIONAT20 and use code BIONAT20 at checkout.
Magnesium Breakthrough by BIOptimizers — A full-spectrum magnesium supplement combining seven highly absorbable forms to support sleep, stress, muscle recovery, and nervous system balance in one nightly habit. Save 15% at bioptimizers.com/bionat with code BIONAT
Nature's Marvels Bioregulators - provide gentle, organ-specific support — and the Liver Bioregulator is a favorite this season for supporting detox pathways and metabolic flow. Head to profound-health.com and use code NAT15 for 15% off your first order.
 
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Dr. Bill Lawrence Episode

Today, I'm joined by Erin Ryan, my producer and long-time collaborator, for a special Q&A episode powered entirely by your questions. After our bioregulator deep dive with Dr. Bill Lawrence, the response was overwhelming—so many of you reached out with insightful queries about bioregulators, peptides, and the nuances between natural and synthetic options. Erin and I decided to tackle the most common themes, unpacking everything from organ versus system signaling to how bioregulators actually survive digestion.
 
Nat's favorite Bioregulators: 
Nature's Marvels Bioregulators and use code NAT15 for 15% off your first order.
The Bioregulator Company and use code NAT10 for 10% off. 
Nanopep and click "shop" and use code NAT for 10% off.
 
Episode Timestamps:
Episode introduction and Q&A format ... 00:00:00
Natural vs. synthetic bioregulators ... 00:08:24
Peptide signaling and digestion ... 00:11:35
Brand reliability and BPC-157 oral benefits ... 00:20:18
Organ/system signaling basics ... 00:25:42
Bioregulator priorities and cycle protocols ... 00:29:51
Healthy, preventative, and age-related use ... 00:38:44
Are organ meats enough? Food vs. supplements ... 00:41:46
Clinical evidence and biggest impact ... 00:47:57
Resilience, wrap-up, and sourcing info ... 00:52:09
 
Our Amazing Sponsors:
Ozlo - use smart sound engineering and sleep detection to help you stay in deeper, more stable sleep all night. Create your ideal sleep environment anywhere: go to ozlosleep.com/nat and use code NAT to get $75 off.
 
Vitali - combines pharmaceutical-grade copper peptides with zero-age exosomes to support clearer cellular signaling and long-term skin resilience, working with your biology instead of forcing change. Visit VitaliSkincare.com and use code NAT20 for 20% off.

O₃RACLE by Wizard Sciences — A daily ozonated oil capsule designed to support immune balance, cellular communication, and antioxidant production without clinics, machines, or complicated routines; learn more at wizardsciences.com and use code NAT15 for 15% off.
 
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Dr. Bill Lawrence Episode

Today, I'm joined by the trailblazing Dr. Regina Druz, a cardiologist who reimagined heart health after years in elite academic medicine. In this episode, Dr. Druz opens up about her journey from the traditional halls of Cornell and New York Presbyterian to creating truly personalized, preventive, and holistic programs for her patients—even when it meant leaving behind the medical mainstream.
 
Episode Timestamps:
Podcast intro and Dr. Druz's background ... 00:00:00
The value of female perspectives in cardiology ... 00:04:11
Moving from traditional to integrative cardiology ... 00:13:17
Upsides of personalization vs. "fire and forget" ... 00:22:15
Prevention through personalized genetics ... 00:26:11
Population vs. individual risk and aging ... 00:38:05
Impact of genetics and nutrition on heart health ... 00:45:07
Healthcare's prevention gap ... 00:48:38
Deeper causes: treating the "why," not just blocked arteries ... 00:50:18
Screening earlier and understanding vascular age ... 01:05:30
Epicardial fat, inflammation, and menopause's impact ... 01:10:39
Wearables, AI, and the future of cardiology ... 01:22:18
Heart-brain connection: stress, trauma, and longevity ... 01:26:35
 
Our Amazing Sponsors:
Cozy Earth – Thoughtfully designed bedding and bath essentials that turn your home into a calm, elevated retreat and actually hold up wash after wash. Give your space a reset at cozyearth.com with code LONGEVITY for up to 20% off, and don't forget to mention this podcast in the post-purchase survey.
 
Magnesium Breakthrough by BIOptimizers — A full-spectrum magnesium supplement combining seven highly absorbable forms to support sleep, stress, muscle recovery, and nervous system balance in one nightly habit. Save 15% at bioptimizers.com/bionat with code BIONAT

Complete Liver Complex by LVLUP Health - supports your liver's natural detox pathways so your body can reset after the holidays without suffering. Go  to lvluphealth.com and use code NAT for 20% off.
 
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Dr. Bill Lawrence Episode