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Intermittent Fasting Blog & Guides

Evidence-based guides, plans, and answers — reviewed by registered dietitians.

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Best Intermittent Fasting Books: What to Look For
Intermittent Fasting

Best Intermittent Fasting Books: What to Look For

The best intermittent fasting book is not the one with the most dramatic promise. It is the one that explains fasting clearly, sets realistic expectat...

Best Intermittent Fasting Plan by Goal or Health Context
Fasting Plans

Best Intermittent Fasting Plan by Goal or Health Context

There is no single right intermittent fasting plan for menopause, blood pressure, fatty liver, Hashimoto's, prediabetes, or muscle gain. These are dif...

Can You Build Muscle With Intermittent Fasting?
Lifestyle & Energy

Can You Build Muscle With Intermittent Fasting?

You can build muscle while intermittent fasting, but fasting itself does not build muscle. Muscle gain depends mainly on progressive resistance traini...

Can You Do Intermittent Fasting Every Day?
Intermittent Fasting

Can You Do Intermittent Fasting Every Day?

You can do some forms of intermittent fasting every day, but that does not mean everyone should. A gentle daily overnight fast, such as 12:12 or 14:10...

Can You Drink Tea While Intermittent Fasting?
Eating & Nutrition

Can You Drink Tea While Intermittent Fasting?

Yes, you can drink plain unsweetened tea while intermittent fasting. For a clean fasting window, keep it simple: water, black coffee, or unsweetened t...

Does Black Coffee Break Intermittent Fasting?
Intermittent Fasting

Does Black Coffee Break Intermittent Fasting?

Black coffee usually does not break a clean intermittent fast because it is typically consumed without meaningful calories. The boundary changes when...

Does Bone Broth Break Intermittent Fasting?
Intermittent Fasting

Does Bone Broth Break Intermittent Fasting?

Yes, bone broth usually breaks a clean fast because it contains calories, protein, sodium, and other nutrients. It may fit an eating window or a refee...

Does Intermittent Fasting Affect Your Metabolism?
Metabolic Health

Does Intermittent Fasting Affect Your Metabolism?

Intermittent fasting can affect your metabolism, but not in the simple “boost” or “damage” way people often expect. It changes when your body gets ene...

Green Tea and Intermittent Fasting
Eating & Nutrition

Green Tea and Intermittent Fasting

Plain unsweetened green tea generally fits a clean intermittent fasting window because it has little to no calories when prepared without sugar, milk,...

High-Protein Intermittent Fasting Meal Plan
Eating & Nutrition

High-Protein Intermittent Fasting Meal Plan

A high-protein intermittent fasting meal plan should help you eat satisfying meals during the eating window without turning fasting into a crash diet....