An eating pattern that cycles between periods of fasting and eating — focused on when you eat, not what you eat.
Intermittent fasting (IF) is not a diet — it’s an eating pattern. It doesn’t dictate which foods to eat, but rather when you eat them. You cycle between periods of eating and fasting, giving your body extended time without food to trigger metabolic benefits.
It’s one of the most popular health trends in the world and has been practiced for centuries across many cultures and religions.
Fast for 16 hours, eat within an 8-hour window. Example: eat between 12pm–8pm, fast from 8pm–12pm the next day. You skip breakfast and eat lunch and dinner.
Eat normally for 5 days of the week. On 2 non-consecutive days, limit calories to 500–600.
One or two 24-hour fasts per week. Example: eat dinner on Monday, then don’t eat again until dinner on Tuesday.
Eat all your daily calories in a single meal, typically within a 1-hour window. An extreme but popular variation.
Fasting lowers insulin levels, which allows your body to access stored fat for energy. Many people lose weight on IF without changing what they eat — just when they eat it.
After 12–16 hours of fasting, your body initiates autophagy — a process where cells clean out damaged proteins and regenerate. This is linked to anti-aging and disease prevention.
IF can reduce fasting insulin levels by 20–31%, making it an effective tool for managing and preventing type 2 diabetes.
Fasting increases production of BDNF (brain-derived neurotrophic factor), which supports the growth of new neurons and may protect against Alzheimer’s.
No calorie counting, no special foods, no meal prep complexity. You just eat less often, which many people find easier to maintain than restrictive diets.
IF has been shown to improve blood pressure, cholesterol levels, triglycerides, and inflammatory markers — all risk factors for heart disease.
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