High-Carb Diet Misconceptions, Gabrielle Lyon on Gluconeogenesis, & Cold Plunging Concerns (BV #11) — Key Takeaways
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High-Carb Diet Misconceptions, Gabrielle Lyon on Gluconeogenesis, & Cold Plunging Concerns (BV #11)
Jay Feldman Wellness1h 17mJun 5, 2025
Watch the originalConsume a minimum of 150g of carbohydrates daily for baseline brain function, with fat no lower than 20% of total calories, then adjust both upward based on individual response.
Key takeaways
Minimum daily carb floor is 150g; fat floor is 20% of calories — go lower and hormonal damage follows
Minimum daily carb floor is 150g; fat floor is 20% of calories — go lower and hormonal damage follows
- Brain alone requires 5.6mg glucose/100g tissue/minute — for a 195lb person that's ~140g/day before any muscle or organ needs.
- Fat below 20% of calories impairs fat-soluble vitamin absorption, blood sugar regulation, and hormonal function per cited research.
Gluconeogenesis is muscle-catabolic — it preferentially breaks down muscle amino acids (alanine, glutamine)
Gluconeogenesis is muscle-catabolic — it preferentially breaks down muscle amino acids (alanine, glutamine)
- Primary gluconeogenic substrates are amino acids from muscle tissue; inadequate dietary protein means the body cannibalizes its own muscle.
- Glucagon, epinephrine, and cortisol — all elevated during gluconeogenesis — are directly catabolic to muscle mass.
Daily cold plunging drives 530% noradrenaline and 250% dopamine spikes — cumulative vascular damage risk
Daily cold plunging drives 530% noradrenaline and 250% dopamine spikes — cumulative vascular damage risk
- Study: 57°F water for 1 hour produced 530% noradrenaline, 250% dopamine, 23% aldosterone increases.
- Chronic catecholamine elevation damages vasculature, raises blood pressure, and impairs kidney function — risk scales with daily use.
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In this video
- 1mintro
- 1mGabrielle Lyon on the amount of carbohydrates we can “dispose of” in a meal
- 9mwhether Gabrielle Lyon’s claim that excess carbohydrates turn into fat is valid
- 13mdo we need to “earn our carbs” with exercise?
- 19mhow upregulating gluconeogenesis by not consuming carbohydrates drives insulin resistance
- 21mdo low-carb high-protein diets support skeletal muscle health?
- 23mstrategies for adjusting macronutrients to fit your individual needs
- 29mhow to shift away from low-carb diets, focusing on what’s optimal rather than minimum requirements
- 32moptimal carb intake for muscles and general health
- 35mapplying Ray Peat’s “perceive, think, act” process to optimize our diets
- 39mthe difference between parroting information and thinking critically
- 43mcold plunging calms the nervous system by first driving excessive stress
- 49mthe cumulative effects of stressors like cold plunging and the risks associated with them
- 54mwhether the benefits of cold exposure outweigh the costs and how much stress is too much
- 56mhow hormesis works and whether the dose makes the poison
- 1h 2mwhat is stress and how do we prevent it?
- 1h 5mhow to get the same benefits without using hormetics like fasting, Wim Hof breathing, and cold exposure
- 1h 11mdoes reaching a goal have to be difficult or stressful?
“Cold plunging daily is one of the dumbest things you can do. You're basically just aging yourself faster for a mood boost.”
— Net Positive Podcast clip
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