The Dr. Layne Norton Podcast The Keys to Building Muscle Part 2: NUTRITION
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Jan 5, 2026 Building muscle requires more than just gym workouts. The importance of protein is highlighted, covering its quality and the role of amino acids like leucine in muscle synthesis. Caloric intake is crucial too; deficits can hinder growth while slight surpluses support gains. Effective supplements are discussed, with a focus on creatine and whey protein. Lifestyle factors, such as sleep and alcohol consumption, can sabotage growth, while older adults may need higher protein intakes. It’s all about a balanced approach to nutrition and recovery!
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Rodent Study Shows Distribution Matters
- Layne ran a controlled rodent study comparing balanced vs skewed protein distribution.
- The balanced group that hit multiple stimulations gained ~6% more muscle mass over the study.
Boost Protein With Age
- Increase per-meal and daily protein with age because anabolic sensitivity declines.
- Add ~2% more protein per year after age 40 (≈20% per decade) to offset anabolic resistance.
Protein Quality Vs Total Intake
- Animal proteins generally have higher digestibility and leucine content than intact plant proteins.
- At high total protein intakes, source quality matters less but matters at low intakes or for older adults.