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Intermittent Fasting Blog & Guides

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

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Intermittent Fasting for Women Over 40 and 50
Women & Fasting

Intermittent Fasting for Women Over 40 and 50

Intermittent fasting for women over 40 or 50 should be cautious and individualized. Perimenopause and menopause can affect periods, sleep, mood, hot f...

Intermittent Fasting Schedule: How to Choose Your Eating Window
Fasting Plans

Intermittent Fasting Schedule: How to Choose Your Eating Window

The best intermittent fasting schedule is not the longest one. It is the eating and fasting window you can repeat while still eating balanced meals, s...

How to Do Intermittent Fasting Step by Step
Intermittent Fasting

How to Do Intermittent Fasting Step by Step

To start intermittent fasting, choose a short fasting window you can repeat, keep fasting-window drinks simple, eat balanced meals, and adjust gradual...

Intermittent Fasting and Exercise: Best Timing and Tips
Lifestyle & Energy

Intermittent Fasting and Exercise: Best Timing and Tips

Intermittent fasting and exercise can coexist, but the fasting window should not dictate training at the expense of performance, hydration, recovery,...

What to Eat During Intermittent Fasting
Eating & Nutrition

What to Eat During Intermittent Fasting

Intermittent fasting is mainly about meal timing, but what you eat during the eating window still affects fullness, energy, recovery, and how manageab...

What Can You Have During Intermittent Fasting?
Eating & Nutrition

What Can You Have During Intermittent Fasting?

During a clean fasting window, the simplest choices are calorie-free drinks. Food, milk, cream, juice, alcohol, protein drinks, and other calorie-cont...

16/8 Intermittent Fasting Guide
Fasting Plans

16/8 Intermittent Fasting Guide

16:8 intermittent fasting means going 16 hours without calorie-containing food or drinks and eating within an 8-hour window each day. A common example...

What Can You Drink During Intermittent Fasting?
Eating & Nutrition

What Can You Drink During Intermittent Fasting?

During a clean intermittent-fasting window, the clearest drink choices are plain water, unsweetened sparkling water, black coffee, and unsweetened tea...

Intermittent Fasting Diet: What It Means and How to Eat
Eating & Nutrition

Intermittent Fasting Diet: What It Means and How to Eat

Intermittent fasting changes when you eat; it does not remove the need for balanced meals. A useful eating-window plan combines protein foods, vegetab...

Can You Drink Coffee While Intermittent Fasting?
Eating & Nutrition

Can You Drink Coffee While Intermittent Fasting?

Yes. Plain black coffee can fit many intermittent fasting routines because it contains very little energy and no meaningful amount of carbohydrate, pr...