How Nitric Oxide Controls Blood Flow, Energy & Hormone Function with Cathy Eason, MS, BCHN

If you’ve got a cupboard full of supplements you bought with good intentions but never used, this episode is for you. Cathy Eason, Chief Science Officer at Berkeley Life, talks about nitric oxide, a molecule that affects almost every body system, including blood flow, blood pressure, digestion, energy production, and sexual arousal.

She explains why nitric oxide production declines in your 30s and how it’s linked to perimenopause. Eason also discusses the research behind using dietary nitrates (like beets and leafy greens) to support nitric oxide production and when supplementation might be necessary. 

This episode covers practical aspects like testing nitric oxide status at home, the connection between oral health and nitric oxide, and how the protocol differs for daily energy needs versus intense training. Eason also advises caution with nitric oxide supplementation, especially for those on blood pressure medication, and why she moved away from arginine/citrulline supplements.

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🎤 EPISODE OVERVIEW
(0:00) Intro/Teaser
(05:33) How Nitric Oxide Opens Blood Flow (Vasodilation 101)
(11:04) Blood Pressure, Arterial Stiffness & the Research
(15:49) Digestion, Gut Motility & Hypertension Safety
(24:01) Oral Health, Fluoride & the Nitrate Recycling Pathway
(29:34) Dietary Nitrate Sources: Beets, Ferments & Histamine Considerations
(34:19) Arousal, Desire & Blood Flow to the Genitals
(39:48) Closing the Research Gap: Female Sexual Function Data
(41:08) Performance & Recovery: From the Soccer Field to the Gym
(46:43) Muscle Force, DOMS & Timing Your Dose Around a Workout
(51:10) Testing Your Own Nitric Oxide & Finding Your Pattern
(59:28) Choosing a Supplement: The Ophelia & Emily Protocol
(1:19:48) After-Party: Final Thoughts with Dr. Stephanie

📎 RESOURCES MENTIONED - https://drstephanieestima.com/podcasts/ep485

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