Fitness Confidential Podcast

Hunger Signals with Dr. Jason Fung – Epsiode 2786

April 10, 2026

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Fitness Confidential

with Vinnie Tortorich

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Episode 2786 – Vinnie Tortorich speaks with return guest Dr. Jason Fung about managing hunger signals, the effects of GLP-1s, and more.

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ListenHunger Signals with Dr. Jason Fung - Epsiode 2786Apr 10, 2026 · 68 min
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Hunger Signals

  • Dr. Jason Fung is a highly respected nephrologist and is the author of:
  • “A calorie is a calorie” is not correct. The quality of calories matters to your health. (8:00)
    • What you eat determines what your body does. (11:15)
  • There is a limit to how much you should eat, however. (12:00)
    • Natural foods trigger satiety; ultra-processed foods mess with the body’s natural signaling hormones.
  • There are three types of hunger: homeostatic (physical), hedonic (emotional), and conditioned (social). (17:00)
  • Food companies, over the years, have developed ways to keep you eating, even when your body isn’t truly hungry. (27:00)
    • Many foods trigger a conditioned response.
  • The term “food noise” is all over the place. Once you get your hormones working properly through low-carb, “food noise” goes away. (31:00)
    • The process isn’t overnight, but it will happen.
  • Dr. Fung offers his thoughts on “food noise.” (33:00)
    • So much of our eating today is driven by conditioned responses and activities paired with food.

GLP1s Are Not Magic

  • GLP-1 naturally occurs in the body, and certain foods like protein and fiber will trigger it properly in your body.
    • But the medical doses administered pharmacologically are massive and squelch all hunger signals.
  • The biggest problem with exogenous GLP-1s is the loss of your body’s ability to learn and respond to proper hunger signals. (36:30)
    • Another issue is that it can also dull *everything* else in life, too. (40:00)
    • They are a tool, not a magic bullet.
    • Oftentimes, when a person stops the drug, they often gain even more fat than before. (42:00)
  • There is, of course, the concern of muscle loss as well. If you are already fighting sarcopenia and add GLP-1s, there could be serious issues to follow. (43:00)
  • Vinnie discusses “eating through” both bariatric surgery and now the GLP-1 meds. (46:00)
  • These drugs can be effective, but there is always a cost.
  • They discuss the transition Weight Watchers made when it entered the GLP-1 market. (54:00)
  • They discuss other peptides and whether or not they are beneficial. (57:00)
    • They discuss other “miracle cure” trends.
  • What you *can* do is trust real food! (1:02:00)
  • You can find Dr. Fung on YouTube @DrJasonFung https://www.youtube.com/drjasonfung
    • He is also on Instagram and X at @drjasonfung
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  •  Jaspr Air Scrubbers has a discount code, VINNIE, that gets you $300 off for a limited time.
    • Jaspr offers a lifetime warranty.
    • Go to Jaspr.co for more information or to purchase. (1:05:00)

 

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