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Melatonin is more than a sleep hormone—it’s a circadiansignal that helps coordinate metabolism, inflammation, brain cleanup, and healthy aging.

In this conversation, Dr. Deanna Minich, PhD, MS, CNS, IFMCPexplains circadian health as the role of time in our biology—and why light/dark alignment sits “above” nutrition. We talk about why modern life has “flip-flopped” our rhythms (low daylight indoors, high light at night), how Artificial Light At Night (ALAN) can act like a widely accepted endocrine disruptor, and why Dr. Minich’s team coined the term “darkness deficiency.”

We also dive into chrononutrition (meal timing), the insulin–melatonin conflict when we eat late, how circadian disruption can amplify menopause symptoms, and what Dr. Minich calls “melatonopause”—the age-related decline in melatonin production. Finally, we discuss plant-based melatonin (Herbatonin®) vs synthetic melatonin, why dose matters (including paradoxical effects with high doses), and what the research shows about Herbatonin’s antioxidant andanti-inflammatory activity.

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Better With Age Program

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Chapters:

00:00 Welcome + Dr. Minich intro & award recognition
01:58 Why circadian health matters (especially in midlife)
02:40 What circadian health really is: “time on our biology”
03:44 Why circadian rhythm sits above nutrition/metabolism
05:12 Modern life “flip-flops” light exposure
06:06 ALAN (Artificial Light at Night) + endocrine disruption
07:36 “Darkness deficiency” + balancing vitamin D and melatonin
09:03 How to measure light (lux) with a phone app
10:28 Morning light even on cloudy days + indoor light tips
11:52 Sleep environment: bedroom light strategy
12:05 EMFs + “dirty electricity” as a consideration
14:14 “Make your home your safe place” + measuring exposures
16:27 Wind-down timing: “follow the darkness”
20:39 Chrononutrition: the when of eating
21:19 Insulin–melatonin conflict + why late eating backfires
24:02 Jet lag + meals as a “time giver” (zeitgeber)
26:15 Circadian disruption and menopause symptoms
28:31 “Melatonopause” + melatonin decline across the lifespan
31:37 Plant vs synthetic melatonin + concerns about contaminants
34:27 Herbatonin research: COX-2, antioxidants, skin cell findings
37:28 How much melatonin we make by age + physiologic dosing
39:37 Dependency myth + receptor saturation with high doses
43:30 When higher doses may be used clinically (guided contexts)
45:59 “Smoother sleep” reports + Oura score mention
49:27 Why blister packs matter (light/oxygen potency protection)
50:37 Key takeaways + healthy-aging action steps
51:19 What Dr. Minich is focused on in 2026
52:15 Where to connect + closing

#BetterWIthAgePodcast #DrDeannaMinich #Chrononutrition #CircadianRhythm#CircadianHealth #AgingWellAsWomen #HormoneBalance #InsulinResistance #SleepScience