The Fasting Blog
Practical, research-grounded articles about intermittent fasting, nutrition, and the science of when (and when not) to eat.
Best Fasting Tracker Apps for iPhone (2026): Apple Watch
The best fasting tracker apps for iPhone in 2026, compared on widgets, Apple Watch support, offline use, free tiers and pricing stated plainly and honestly.
Best Free Intermittent Fasting Apps (2026): No Paywalls
Which fasting app is actually free in 2026? We compare the free tiers of EasyFasting, Zero, Fastic, BodyFast and Simple, with no paywalled timer surprises.
EasyFasting vs Zero (2026): Which Fasting Tracker Fits You?
EasyFasting vs Zero: an honest 2026 comparison of features, Apple Watch support, offline use and pricing, so you can pick the fasting tracker that fits you.
Fasting Apps for Apple Watch (2026): Track From Your Wrist
How fasting apps work on Apple Watch: complication families, independent watch apps, and a clear step-by-step setup for tracking a fast from your wrist in 2026.
Fasting Apps Without a Subscription (2026): Free & One-Time
Looking for a fasting app without a subscription? Here is what a free tier really gives you, which apps sell a lifetime unlock, and what each one costs in 2026.
Intermittent Fasting and Cortisol
Does intermittent fasting raise cortisol and stress hormones? Here's what the research shows about fasting, the HPA axis, and when to be cautious.
Intermittent Fasting and Testosterone
Does intermittent fasting raise or lower testosterone? Here's what clinical studies show about fasting, hormones, and what it means for men.
Intermittent Fasting and Gut Health: What the Research Shows
How intermittent fasting affects your gut microbiome, digestion, and intestinal barrier. Research-backed guide to fasting for better gut health.
Alternate Day Fasting: Benefits, Risks, and How to Start
Learn how alternate day fasting works, what the research says about its benefits and risks, and how to decide if ADF is right for you.
Intermittent Fasting and Insulin Resistance
Learn how intermittent fasting affects insulin resistance and blood sugar. Research-backed guide to how timed eating may improve insulin sensitivity.
Intermittent Fasting and Ketosis: What Happens
How intermittent fasting triggers ketosis, when your body starts burning fat for fuel, and what the research says about the metabolic switch.
Free Fasting Widget for iPhone: Home & Lock Screen
Add a free fasting widget to your iPhone home or lock screen and see your fasting phase, elapsed time and hours left without opening the app.
What to Eat to Break a Fast (and What to Avoid)
Learn the best foods to break a fast safely, what to avoid after long fasts, and how your first meal affects weight loss, digestion, and energy.
Electrolytes and Fasting: What You Need to Know
Why fasting depletes sodium, potassium, and magnesium — and how to prevent headaches, cramps, and fatigue while intermittent fasting.
Autophagy and Fasting: What the Science Says
How fasting triggers autophagy, your body's cellular cleanup process. When it starts, what it does, and how different fasting schedules affect it.
Black Coffee While Fasting: Does It Break Your Fast?
Black coffee has near-zero calories and doesn't trigger insulin — so it won't break your fast. Here's the science on caffeine, autophagy, and cortisol timing.
What Can You Drink While Intermittent Fasting?
Water, black coffee, and plain tea are fasting-safe. Milk, juice, and sweetened drinks break your fast. Here's the complete guide to drinks during a fast.
Can You Drink Coffee While Fasting?
Yes — black coffee won't break your fast. But add cream or sugar and it will. This guide covers exactly what you can drink while fasting and what to avoid.
OMAD vs Warrior Diet: Key Differences Explained
Comparing OMAD (One Meal a Day) and the Warrior Diet: eating windows, weight loss results, and which fasting schedule suits you best.
5:2 vs 16:8 Fasting: Which Is Better for Weight Loss?
5:2 vs 16:8 intermittent fasting compared — weight loss results, hunger, adherence, and social flexibility. Find which protocol fits your lifestyle in 2026.
Intermittent Fasting vs Extended Fasting: Key Differences
Intermittent fasting vs extended fasting compared — how each works, what the science says about benefits and risks, and which approach fits your goals.
Intermittent Fasting Results: What to Expect in 30 Days
Realistic intermittent fasting results week by week: weight loss, energy, hunger, and metabolic changes explained — with the research behind each stage.
Intermittent Fasting for Women: What the Science Says
Intermittent fasting for women works differently than for men. Here's what the research says about hormones, cycle-syncing, and safest protocols.
Intermittent Fasting vs Calorie Restriction: Which Wins?
Intermittent fasting vs calorie restriction: a data-driven comparison of weight loss, metabolic health, and sustainability backed by 2025–2026 research.
What Breaks a Fast? The Complete Guide (2026)
Does coffee break a fast? Gum? Lemon water? A reference table plus the key distinction between 'technically breaks' vs 'doesn't affect results'.
OMAD Fasting: Benefits, Risks, and How to Start
OMAD means eating one meal per day in a 1-hour window. Learn the real benefits, risks, and who it's right for before you start this advanced fasting protocol.
OMAD vs 16:8 Fasting: Which Schedule Is Better for You?
OMAD vs 16:8 intermittent fasting compared side by side: weight loss, difficulty, muscle retention, and who each schedule actually suits. Backed by research.
Intermittent Fasting vs Keto: Best for Weight Loss?
Intermittent fasting vs keto compared: weight loss, metabolic health, sustainability, and who should choose which. Honest breakdown with data.
Water Fasting: Benefits, Risks, and How Long Is Safe
Water fasting means consuming only water for 24-72+ hours. Learn the science, safety guidelines, and how it compares to intermittent fasting.
16:8 vs 18:6 Fasting: Which Is Better for Weight Loss?
16:8 fasting suits beginners with its flexible eating window. 18:6 may accelerate fat loss for experienced fasters. Compare schedules, benefits, and results.
Intermittent Fasting Benefits: What Research Shows
Intermittent fasting benefits backed by science — weight loss, metabolic health, autophagy, brain function, and more. What the research actually says.
Can You Drink Coffee While Fasting? Here's the Truth
Black coffee won't break your fast — but add cream or sugar and you will. See exactly what you can drink while fasting and what kicks you out of ketosis.
Intermittent Fasting: What to Expect in Your First Week
Starting intermittent fasting? Here's exactly what happens in your first week — hunger, energy, sleep, and the common mistakes that trip up most beginners.
Intermittent Fasting Schedules: The Complete Guide
Find the intermittent fasting schedule that fits your lifestyle — 16:8, 18:6, 20:4, and OMAD compared with pros, cons, and a 7-day starter plan.
What Is Fasting? The Science Behind Going Without Food
Learn what fasting actually does to your body — the metabolic phases, main types (16:8, OMAD, water fasting), and what research shows about its effects.
16:8 Fasting: Complete Guide to the Most Popular Schedule
16:8 fasting: set up your eating window, avoid common mistakes, and learn what the science shows. The complete beginner's guide to the most popular IF schedule.
Fasting Tracker: What to Track During Intermittent Fasting
A good fasting tracker does more than clock hours. Learn what metrics matter, which tools work best, and how tracking turns guesswork into results.
Intermittent Fasting for Beginners: Your Complete Guide
New to intermittent fasting? This guide covers the most popular schedules, what to expect in your first week, and the science behind why timed eating works.