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The Glycogen Myth: Redefining the Bodybuilding Paradigm with Dr. Nash Yosich

· 3 min read
Black Forest Holistic Health
Black Forest Holistic Health
Core Team

In this episode of the Plant-Free MD podcast, Dr. Anthony Chaffee sits down with professional bodybuilder and scholar Dr. Nash Yosich to dismantle the long-standing stigma that carbohydrates are essential for high-performance athletics and muscle hypertrophy.

The Science of "Non-Essential" Carbs​

The most prevalent myth in the fitness world is that without dietary carbohydrates, glycogen stores will remain empty, causing performance to crater. Dr. Yosich and Dr. Chaffee clarify the physiological reality:

  • Gluconeogenesis: The liver is perfectly capable of producing glucose from non-carbohydrate sources, specifically amino acids (protein) and glycerol (the backbone of fat) [00:04:13].
  • The FASTER Trial (2016): Research shows that keto-adapted athletes maintain identical glycogen levels to high-carb athletes before and after a three-hour run, proving that "re-loading" with sugar is unnecessary for replenishment [00:06:19].
  • The Glycerol Pathway: For every unit of fat burned for energy, the body naturally produces a specific percentage of glucose/glycogen as a byproduct, providing energy "on-demand" [00:18:32].

Building Muscle Without the "Mass Monster" Protocol​

Modern bodybuilding often relies on exogenous insulin to "shrivel" glucose into cells, requiring massive carb intake to avoid hypoglycemia. However, the Golden Era of the 1970s told a different story:

  • The Aesthetic Paradigm: Legends like Serge Nubret and Frank Zane prioritized high-volume training and high-protein, medium-fat diets over the "freak show" mass-monster approach of today [00:31:07].
  • Hypertrophy Research: Meta-analyses show that as long as protein intake is matched, there is no difference in muscle hypertrophy between ketogenic and carbohydrate-based diets [00:39:09].
  • Glycation Barriers: Emerging studies suggest that Advanced Glycation End-products (AGEs)**—caused by high blood sugar—can actually hinder muscle growth and damage connective tissues [00:39:29].

Bioavailability: You Are What You Absorb​

Dr. Yosich emphasizes that consumption does not equal utilization. To optimize protein synthesis:

  1. **Avoid Constant Spiking: Eating 6–7 small meals of chicken and rice creates frequent insulin spikes that can waste amino acids as energy rather than building blocks [00:59:05].
  2. The Slower Release: Consuming protein with fat (like steak or eggs) slows digestion, leading to a sustained release of amino acids into the bloodstream [01:00:19].
  3. Hormonal Reset: Allowing 5–6 hours between meals allows insulin levels to drop, preventing hyperinsulinemia and promoting metabolic health [01:01:22].

Longevity and The "Bible" of Nutrition​

At 64 years old, Dr. Yosich maintains a stage-ready physique with zero joint pain or injuries—a feat he attributes to avoiding the inflammatory nature of "carb-loading" [01:07:12].

"It's not magic; it's physiology. Humans evolved to flourish on fatty meat, not protein powders and pasta."

By prioritizing structural integrity over "bulking" water weight, athletes can extend their careers and maintain independence well into their 80s and 90s.

Watch the full interview here: https://youtu.be/mom9zEQzgtk