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Episode
Olive Oil Fasting Doubles Autophagy and Stops Insulin Resistance (just one day)
~51 min
Episode Brief·YouTube

Olive Oil Fasting Doubles Autophagy and Stops Insulin Resistance (just one day)

Thomas DeLauer
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TL;DR

The four things you'd lose by not watching

4 items

TL;DR

The four things you'd lose by not watching

4 items
1

Olive oil rich in oleocanthal (the compound behind the peppery bite) directly activates AMPK and suppresses mTOR, manually flipping the body's master autophagy switch without a full fast.

2

Pairing high-quality EVOO with C8 MCT oil and/or exogenous ketones (BHB) amplifies the signal — ketones act as HDAC inhibitors to unlock longevity genes like FOXO3 and bind GPR109A to reduce systemic inflammation.

3

The one‑day protocol: after dinner the night before, consume 1‑2 tsp of pungent EVOO every 2‑3 hours (plus a teaspoon of MCT oil or exogenous ketones in the morning and early afternoon), keeping total olive oil under ~750 calories.

4

This 'fed‑state fast' clears zombie senescent cells, recycles damaged mitochondria, reboots immune function, and trains metabolic flexibility — all without the grueling water‑only experience.

Protocols

Concrete recipes — what, when, how much, and why

1 item

Sardine Fast (Dom D'Agostino variation)

WhatA two‑day very‑low‑calorie high‑fat fast consisting of 500 calories per day from sardines packed in olive oil, designed to deliver oleocanthal and protein while keeping insulin negligible and triggering fast‑like autophagy.
WhenWhenever a short, muscle‑sparing fast is desired. Two consecutive days.
Dose500 calories of sardines in olive oil per day, for 2 days.
For whomThose who worry about muscle loss during fasting or want a more substantial food‑based option.
WhyThe sardines supply high‑quality protein to protect muscle, while the olive oil provides oleocanthal to activate AMPK and induce autophagy. The extremely low calorie and zero‑carb nature keeps insulin at bay, mimicking a water fast but with better muscle preservation.
CaveatsBased on anecdotal experimentation (Dom D'Agostino's personal protocol), not a formal clinical study. Sardines are high in purines, so those with gout or histamine intolerance should use caution. Ensure sardines are packed in real olive oil, not soybean or other oils.
Personal experience

The speaker heard about this directly from Dr. Dom D'Agostino and recounts the conversation as validation that a high‑fat, low‑calorie day can produce 'huge effects' comparable to a fast while keeping muscle intact.

He did this thing called a sardine fast where he was talking about he just ate 500 calories worth of sardines in olive oil per day for like two days. And it has these huge effects almost like it's a fast except you're keeping calories and maintaining muscle.

What's new

Personal practice updates, fresh positions, predictions

1 item

The 'sardine fast' concept as a muscle‑sparing high‑fat fast

mid‑to‑late video

Referencing Dr. Dom D'Agostino, the speaker describes a fast where one consumes only ~500 calories of sardines in olive oil per day for two days, achieving profound autophagy‑like benefits while preserving muscle mass.

Why this matters: It illustrates a real‑world variation that is even more food‑based but still keeps insulin low and delivers oleocanthal, challenging the idea that a fast must be pure water or very low‑calorie to be effective.

Background

Fasting typically risks muscle loss if protein intake is zero. The sardine fast provides high‑quality protein and the potent olive oil signaling molecule simultaneously.

Personal experience

The speaker directly quotes a conversation with Dom D'Agostino, indicating personal engagement with the researcher.

He did this thing called a sardine fast where he was talking about he just ate 500 calories worth of sardines in olive oil per day for like two days. And it has these huge effects almost like it's a fast except you're keeping calories and maintaining muscle.

Recommendations

Products, supplements, and tools mentioned in the episode

2 items

C8 MCT oil (caprylic acid)

Supplement

Used as a rapid ketone‑boosting amplifier in the olive oil fasting protocol. C8 MCT is the most efficiently converted to ketones in the liver, providing stable brain fuel and sustaining the low‑insulin state.

The speaker positions C8 MCT oil as the ideal partner because it quickly raises blood ketones, giving an immediate energy source that prevents the brain fog often associated with fasting. He notes that since you're already in a primed state from the EVOO (low insulin, autophagy beginning), the liver is ready to convert the MCTs into ketones. This maintains mental sharpness and adds to the signaling cascade. He suggests starting with 1 teaspoon per serving and implies it may be used alongside exogenous ketones for an even stronger effect.

vs alternatives

Compared to other MCT blends (C10, C12), C8 is the fastest to raise ketones and is less likely to cause GI issues once adapted.

If you use specifically C8 MCT oil, it's the fastest way to get your liver to produce ketones.

Find C8

Exogenous ketones (beta‑hydroxybutyrate BHB)

Supplement

Optional add‑on to the olive oil fast, delivering a direct dose of BHB to act as an HDAC inhibitor, unlock longevity genes, and bind GPR109A for full‑body anti‑inflammation.

The speaker treats exogenous BHB as a 'clinical' weapon in the protocol, moving beyond simple ketosis. He explains that BHB works as an epigenetic modulator: it inhibits histone deacetylases, thereby opening up FOXO3 and other stress‑resistance genes that are normally silenced, effectively 'upgrading your cellular software'. On top of that, BHB binds to the GPR109A receptor on fat cells, reducing the release of inflammatory free fatty acids and creating a systemic anti‑inflammatory blanket. He also mentions it influences the HIF‑1 pathway, teaching mitochondria to use oxygen more efficiently. This is positioned as an optional but powerful enhancer — you can use it with or without MCT oil, or combine them for a natural + exogenous ketone boost.

vs alternatives

Compared to relying solely on endogenous ketones from fasting or MCT, exogenous BHB delivers a guaranteed, dose‑controlled epigenetic hit independent of liver conversion.

BHB enhances a bunch of different efficiency in the body, too. ... It acts as an HDAC inhibitor ... you're literally upgrading your cellular software.

Find Exogenous
Disclosed sponsorships1speaker disclosed

Thrive Market

Service Sponsored · disclosed

Thrive Market is an online grocery store that rigorously screens products for quality ingredients, turning away thousands of items that don't meet their standards.

DisclosureVideo sponsor. The speaker provides a 30% off first order and free gift link.

The speaker introduces Thrive Market as a solution for finding high‑quality food amidst a market full of questionable ingredients. He emphasizes that they are 'sticklers about what they bring on their shelves' and that the link provides a discount for viewers interested in sourcing clean ingredients for fasting protocols. No direct medical claims are made; it is a pure sponsorship disclosure.

I put a link down below for something that might help you out when it comes to fasting. It's a 30% off discount link for Thrive Market. ... Thrive Market makes sure that anything they bring into their store passes a lot of tests. They turn away thousands of products and ingredients because they are sticklers about what they bring on their shelves.

Find Thrive

Notable quotes

Lines worth pulling out — contrarian, specific, or perfectly phrased

5 items
That little cough, that peppery bite that you get, that's literally the signal. That is the key.
Memorable, visceral heuristic to identify the correct olive oil — turns a mundane sensory experience into a biomarker.
By consuming just a tiny bit of a specific olive oil, like one that has that peppery taste, you are manually flipping that AMPK master switch. You're literally sending a powerful like low fuel signal even when your body hasn't been in a deep fast.
Distills the entire premise of the video into one compact, actionable image.
You don't have to be fasting. It's a biohack that lets you completely bypass the dormal waiting period and get straight to the benefits.
Confronts the mainstream fasting assumption head‑on — highly quotable for those skeptical of non‑fasting autophagy.
Ketones are not just fuel. They're sophisticated signaling molecules.
Reframes the common view of ketones, setting up the deeper epigenetic argument that follows.
This is a clinical strike against the root causes of metabolic issues.
Summons a powerful, almost combative framing that positions the protocol as precision medicine you can do at home.

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Topics covered

olive-oil-fastingoleocanthalampk-activationmtor-suppressionautophagymitophagysenescent-cellsinflammagingimmune-rebootmct-oilexogenous-ketonesbeta-hydroxybutyratehdac-inhibitionfoxo3gpr109ahif-1-pathwaymitochondrial-efficiencymetabolic-flexibilitythrive-marketsardine-fast
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Educational summary of the cited expert source — not medical advice. Open the source recording linked above and consult a qualified physician before acting on any protocol.