The Metabolic Classroom with Dr. Ben Bikman Caffeine, Insulin & Metabolism
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Jul 2, 2021 Explore the intriguing dynamics between caffeine, insulin, and metabolism. Discover how caffeine can boost energy levels but also create dependency. Learn about its dual effects on metabolic rate, influenced by hormones like epinephrine and cortisol. Delve into the health implications of different caffeinated beverages and the importance of moderation. Uncover the myths surrounding coffee acidity and its impact on stomach health, along with insights into caffeine's role in insulin sensitivity and exercise performance.
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Blocks Adenosine To Delay Fatigue
- Caffeine blocks adenosine receptors to delay sleepiness and fatigue.
- Ben Bikman explains this is a mild stimulant that pushes off tiredness.
Stimulates Fat Mobilization And Metabolism
- Caffeine raises epinephrine, modestly increasing metabolic rate and body temperature.
- Ben Bikman says it also increases lipolysis to mobilize fat for muscle fuel.
Acute Drop In Insulin Sensitivity
- Caffeine causes a modest, acute insulin resistance lowering insulin sensitivity about 15% for hours.
- Ben Bikman warns this effect is dose dependent and lessens in habitual users.