
The Optimal Protein Podcast
Burn Fat, Keep Muscle: Inside the Science of the Protein-Sparing Modified Fast
New
7 Nov 2025 · 44 min
Protein intakeMuscle growth
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About this episode
Beat BLOAT & unlock better protein absorption and digestion with MassZymes by BiOptimizers. NOW GET 15% off your order with the code VANESSA at bioptimizers.com/vanessa In this solo episode, Vanessa Spina breaks down the science and strategy behind one of the most effective tools for rapid fat loss and muscle preservation — the Protein-Sparing Modified Fast (PSMF). Following her in-depth interview with Dr. David Jockers, Vanessa explains exactly how this approach works, why it's so powerful for