A 36-Hour Protocol That Rivals 7-Day Fasting for Insulin Resistance
Thomas DeLauer and Dr. Schoeff break down a 3-phase fasting protocol targeting liver glycogen to outperform standard 16:8 for insulin resistance.
Summary
In this video, Thomas DeLauer teams up with physician Dr. Jon Schoeff to present a structured 36-hour fasting protocol designed to dramatically accelerate the metabolic benefits typically associated with prolonged multi-day fasts. The protocol centers on depleting liver glycogen rather than simply restricting eating windows. It unfolds in three phases — Deplete, Transition, and Refeed — and incorporates strategic exercise, sauna sessions, electrolyte management, and a bone broth refeeding strategy. Ketone levels are used as the primary biomarker to gauge metabolic state rather than time elapsed. The video also addresses sex-specific fasting considerations, noting that women may tolerate intense but infrequent fasting better than chronic daily restriction. GLP-1 receptor agonists and mitochondrial support supplements are discussed as adjuncts. The approach is presented as particularly relevant for individuals with insulin resistance seeking faster metabolic recalibration.
Detailed Summary
Insulin resistance is a central driver of metabolic aging, cardiovascular disease, and cognitive decline — making its reversal a high-priority target for anyone focused on healthspan. Standard intermittent fasting protocols like 16:8 have widespread adoption, but this video argues their impact on deep metabolic markers, particularly liver glycogen depletion and ketone production, is modest compared to more intensive but infrequent approaches.
Thomas DeLauer, working alongside functional medicine physician Dr. Jon Schoeff, presents a 36-hour protocol claimed to replicate the metabolic effects of a 7-day fast. The mechanism hinges on rapidly depleting hepatic glycogen stores through a combination of a pre-fast glycogen depletion workout, zero-carbohydrate post-workout nutrition, early dinner cutoff before 6 p.m., and high-heat sauna exposure. The fasting day itself incorporates caffeine, structured movement, and a target of 20,000 steps to sustain fat oxidation.
Ketone levels — not hours elapsed — are positioned as the key biomarker indicating when sufficient metabolic switching has occurred. Electrolyte management during the fast is emphasized to prevent common adverse symptoms. The refeed phase begins with bone broth, followed by gradual carbohydrate reintroduction through carb cycling, aiming to restore metabolic flexibility without re-spiking insulin excessively.
A notable segment addresses sex-specific fasting physiology, asserting that women are well suited to intense but infrequent fasting bouts, as opposed to chronic daily time restriction, which may stress the female HPA axis. GLP-1 receptor agonists and mitochondrial support supplements are briefly discussed as potential adjuncts for those managing significant insulin resistance.
Caveats are important: this is a practitioner-informed YouTube presentation, not a peer-reviewed study. Claims about equivalence to 7-day fasting are not substantiated by cited clinical data in this video, and individual tolerance will vary considerably. Viewers with metabolic conditions should consult a physician before attempting protocols of this intensity.
Key Findings
- Liver glycogen depletion — not fasting duration — is the primary metabolic target driving insulin sensitivity improvements.
- Ketone levels serve as the actionable biomarker to confirm metabolic switching, replacing time-based fasting windows.
- Pre-fast glycogen depletion workout combined with zero-carb post-workout nutrition and early dinner cutoff primes the fast.
- Women may benefit more from intense but infrequent fasting than chronic daily time restriction due to HPA axis considerations.
- Bone broth refeeding followed by structured carb cycling supports metabolic flexibility recovery post-fast.
Methodology
This is a practitioner-presented YouTube video featuring Thomas DeLauer and Dr. Jon Schoeff, not a peer-reviewed study. The protocol is constructed from mechanistic reasoning and clinical experience rather than a controlled trial. No original data, sample sizes, or statistical comparisons are presented.
Study Limitations
No peer-reviewed data or clinical trial evidence is cited to support the claim that this 36-hour protocol equals 7-day fasting outcomes. The content is based on practitioner opinion and mechanistic reasoning, which limits generalizability. Summary is based on video description and timestamps only, as no published abstract exists; full video content was not independently verified.
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