Intermittent Fasting Knowledge Center
Science-backed answers from the book and community.
Editorial articles
10 articles
- how-to
Fasting on a Budget: How Sinclair Did It for Thirty Cents
Upton Sinclair spent $500 on medicine before finding a cure that cost thirty cents. Discover the 1911 case for fasting as the cheapest health tool ever.
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- how-to
How to Prepare Your Body for a Fast Before You Start
Learn how to prepare for a fast physically and mentally, drawing on Upton Sinclair's 1911 guidance and modern science, before you begin your first fasting window.
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- how-to
Fasting Alongside Your Family: Getting Support at Home
Turn your household into an ally, not an obstacle. Drawing on Upton Sinclair's 1911 guide, here's how to build real family support for intermittent fasting.
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- how-to
How to Track Your Progress During a Fast (Without Obsessing Over the Scale)
Learn how to track fasting progress beyond the bathroom scale — using energy, hunger signals, measurements, and mindset, informed by Upton Sinclair's 1911 case notes.
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- how-to
The Daily Fasting Routine: Bathing, Water, Rest, and Movement
Discover the daily habits Upton Sinclair prescribed in his 1911 book The Fasting Cure — water intake, bathing, rest, and gentle movement — and how they hold up today.
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- how-to
How to Fast While Running a Busy Household
Learn how to fit intermittent fasting into a hectic household — meal prep for the family, school runs, and chores — using lessons from Upton Sinclair's 1911 book.
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- how-to
How to Set Up Your Fasting Environment for Success
Learn how to set up your fasting environment for success using lessons from Upton Sinclair's 1911 book The Fasting Cure, backed by modern fasting science.
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- how-to
Your Complete Guide to Your First 3-Day Fast
Planning your first 3-day fast? Learn what to expect day by day, how to prepare, and how to break it safely
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- how-to
A Day-by-Day Guide to Your First Week of Intermittent Fasting
What actually happens in your first week of intermittent fasting? A day-by-day breakdown informed by Upton Sinclair's 1911 fasting cases and modern metabolic science.
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- how-to
How to Fast Without Telling Anyone (For Private Health Journeys)
Learn how to fast quietly and discreetly, drawing on Upton Sinclair's 1911 accounts, for those who want to try fasting without explaining themselves to others.
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