Fasting Knowledge Hub

A curated hub bringing together science-based blog articles, expert perspectives, real-world fasting journeys, and trusted communities. This page combines research, personal experimentation, and practical experience to help you understand fasting beyond headlines and hype. Educational content only, not medical advice, individual responses vary.

📝 Fasting Blog – Science, Stories & Practical Advice

⭐ Most Popular Blogs

Metal tiles displaying chemical symbols for Sodium, Potassium, and Magnesium with their names and typical dosage ranges in milligrams.

Electrolytes for Fasting: The Role of Electrolytes and My Personal Protocol

A man wearing a yellow polo shirt with a confident smile, standing with his hands open. To the left is a plate of broccoli and a yellow bowl of soup. To the right is a large cut of cooked beef on a dark wooden surface. The background has a blue pattern. A green checkmark in the bottom left corner and a red cross in the bottom right corner indicate suitable and unsuitable food choices.

How to Break an Extended Fast The Right Way

10-Day Water Fast 2026: Results, Y/Y Comparison, and Learnings

🗂️ All Fasting Blogs

A man in an orange polo shirt standing in a modern kitchen, holding a ceramic mug in one hand and a white plate in the other. The kitchen features gray cabinets, open shelves, and a textured wooden backsplash. The image title reads '20 Fasting Tips' in bright yellow text.

20 Fasting Tips to Make Extended Fasting Easier

Andrey Titov 11/1/26 Andrey Titov 11/1/26

Muscle Loss During Extended Fasting: What Happens to Your Protein

How much muscle protein do you actually lose on a 10-day fast? The research says about 200 g, roughly 3% of your muscle, and most of the “lean mass” drop on a Dexa scan is water and glycogen. Here are the numbers from the key studies, my own Dexa scans from two 10-day fasts, and what it takes to get the protein back.

Andrey Titov 10/19/26 Andrey Titov 10/19/26

How Autophagy Is Finally Being Measured in Humans: The First Trial Results

Autophagy was never directly measured in a human fasting trial until 2025. A new blood test finally made it possible, and the first two randomized trials show fasting may increase autophagic flux. How the measurement works, what the trials found, and what’s still unknown.

Andrey Titov 10/1/26 Andrey Titov 10/1/26

Fasting and Sleep: Why IF Helps, Extended Fasts Hurt, and It All Comes Back

Does fasting improve sleep? IF with an early eating window can support circadian rhythm, but extended fasts reliably make sleep worse until refeeding. The research, my tracked sleep data from 7, 9, and 10-day fasts, and what actually helps.

Andrey Titov 9/15/26 Andrey Titov 9/15/26

Fasting and Gut Health: What's Proven, What's Emerging, What's a Myth

Can fasting heal the gut? Five gut health effects of fasting - barrier integrity, microbiome diversity, stomach acid, the MMC cleaning wave, and inflammation - each ranked by real evidence level, plus what's myth.

Andrey Titov 8/31/26 Andrey Titov 8/31/26

37 Fasting Benefits: Now Ranked and Scored, The 2026 Re-Audit

All 37 fasting benefits on the Fasting Center page are now ranked and scored 0-100 against peer-reviewed research. The 2026 re-audit checked every claim against the latest studies: autophagy moved up, sleep and inflammation moved down, and one popular claim was deleted entirely.

Andrey Titov 8/19/26 Andrey Titov 8/19/26

10-Day Water Fast 2026: Results, What Changed From Last Year, and Key Learnings

My second 10-day water fast. Same protocol, same summer timing, measurably different experience. Here's the full data, the daily diary, and everything that changed from year one to year two.

Andrey Titov 8/4/26 Andrey Titov 8/4/26

Fasting Timeline: What Really Happens in Your Body Hour by Hour

A 16-hour fast and a 72-hour fast are not the same intervention. They access different phases of the same biological sequence. Here's the complete timeline of what your body is actually doing - and when.

Andrey Titov 7/20/26 Andrey Titov 7/20/26

Hunger During Fasting: The Timeline and What Actually Drives It

Ghrelin - the hormone that drives hunger - is entrained to your eating schedule, not your calorie intake. Most of what feels like hunger during fasting is scheduled hunger, not starvation. Here's what the timeline actually looks like.

Andrey Titov 6/18/26 Andrey Titov 6/18/26

Fasting and Metabolism: Why Some People Thrive and Others Struggle

Only 12.2% of American adults are metabolically healthy. That means roughly 88% are walking into a fast with a metabolism that hasn't been trained to make the fuel switch. Here's what that means - and how to fix it.

Andrey Titov 6/2/26 Andrey Titov 6/2/26

Fasting vs Exercise vs Diet: The Unique Benefits Only Extended Fasting Can Deliver

Fasting, exercise, and diet each do something the others can't. Here's what makes extended fasting unique — and why all three work better together

Andrey Titov 5/19/26 Andrey Titov 5/19/26

Fasting Benefits: What Research Actually Says

Fasting benefits are often oversold or dismissed too quickly. This evidence-based guide explains what research actually says about intermittent fasting and extended fasting, including metabolic benefits, brain effects, autophagy, inflammation, and which claims remain speculative.

Andrey Titov 5/6/26 Andrey Titov 5/6/26

What Extended Fasting Does to Your Brain

Discover what extended fasting does to your brain — from ketone-powered energy and reduced neuroinflammation to increased BDNF, autophagy, and mental clarity.

Andrey Titov 4/24/26 Andrey Titov 4/24/26

How Fasting Lowers Inflammation: Mechanisms, Data, and Real Results

How fasting lowers inflammation through insulin reduction, fat loss, and ketones. Includes real biomarker data and practical insights.

Andrey Titov 4/12/26 Andrey Titov 4/12/26

Electrolytes for Fasting: The Role of Electrolytes and My Personal Protocol

Electrolytes for fasting explained: the role of sodium, potassium, and magnesium, exact daily targets, and a simple protocol based on real extended fasting data.

Andrey Titov 3/20/26 Andrey Titov 3/20/26

Blood Sugar During Fasting: Why It Drops to the 60s (and Even the 40s)

Blood sugar drops during fasting - often into the 60s, and sometimes even the 40s. Here’s why that happens, what it means, and my real data from a 10-day water fast.

Andrey Titov 2/27/26 Andrey Titov 2/27/26

17 Intermittent Fasting Tips That Make IF Sustainable Long Term

These 17 intermittent fasting tips will help you build a sustainable schedule, protect sleep and muscle, manage hunger, and stay consistent long term.

Andrey Titov 2/8/26 Andrey Titov 2/8/26

Fasting Risks and Downsides: The Real Tradeoffs of Extended Fasting

Fasting is powerful, but it’s not harmless. This article covers the most important risks and downsides of extended fasting, backed by physiology, data, and real experience, to help you avoid common mistakes.

Andrey Titov 1/3/26 Andrey Titov 1/3/26

Weight Loss and Fat Loss During Extended Fasting: What to Expect

Real data on fasting weight loss vs fasting fat loss. See why early weight drops fast, how much fat you actually lose, and what happens after refeeding.

Andrey Titov 11/18/25 Andrey Titov 11/18/25

How Extended Fasting Affects Testosterone

Extended fasting temporarily lowers testosterone, but research and real data show it rebounds during refeeding. Here’s how my levels changed across two multi-day water fasts and why fasting may actually support healthier long-term hormone balance.