Exploring Cutting-Edge Research on Protein, Fitness, and More with Mike Mutzel

15 Dec 2025 · 56 min
Episode

15 Dec 2025 · 56 min

0:00

Podcast episode in which JJ Virgin interviews Mike Mutzel (Metabolic Mike) about protein intake, fasting and fasted workouts, creatine, fiber and gut issues, testing/blood panels, and strategies for preserving muscle and healthy aging. The conversation mixes personal clinical anecdotes, study critiques (e.g., a protein bolus study), practical recommendations (creatine dosing, timing around exercise), and guidance on lab tests and diet tools (e.g., carnivore, intermittent fasting) for different goals.

Questions this episode answers

Bachelor's in biology and a clinical nutrition master's from the University of Bridgeport; AFMCP graduate (Institute for Functional Medicine).

Three arms: 0 g protein, 25 g protein, and a 100 g whey/dairy protein bolus; the 100 g dose increased muscle protein synthesis versus 25 g or 0 g.

General recommendation: 2–5 g/day (start ~2.5 g); prefers Creapure creatine monohydrate (German brand) and suggests taking creatine around exercise with electrolytes for better uptake.

ALT, AST, and GGT (liver enzymes); also fasting and non-fasting triglycerides, ferritin/iron, fasting insulin, DHEA, and ApoB/ApoA1 ratios.

One study compared ~47 sedentary overweight subjects and ~50 regular exercisers and found exercisers showed autophagy-initiation increases after ~18 hours while sedentary subjects did not after 36 hours.

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