Nutrition glossary
What Is NEAT?
**NEAT (Non-Exercise Activity Thermogenesis)** is the energy you burn through all daily movement that isn't deliberate exercise — walking, fidgeting, standing, and chores. It varies enormously between people and can swing your daily burn by hundreds of calories.
It's the quiet, overlooked component of your daily energy use — and often a bigger lever than your workouts.
Short answer
NEAT (Non-Exercise Activity Thermogenesis) is the energy you burn through all daily movement that isn't deliberate exercise — walking, fidgeting, standing, and chores. It varies enormously between people and can swing your daily burn by hundreds of calories.
How it works
NEAT is everything between sitting still and formal exercise: pacing on a call, taking the stairs, carrying groceries, even fidgeting at your desk. Because these movements happen all day, they add up — and the difference between a naturally restless person and a sedentary one can be hundreds of calories a day.
Crucially, NEAT is largely unconscious. Your body dials it up or down without you deciding to, which is why it's both powerful and hard to control by willpower alone.
Why it matters for your goals
NEAT is a major reason real-world burn differs from any calculator. Two people with the same BMR and the same workouts can have very different TDEE simply because one moves more all day.
It's also the first thing your body cuts when you diet. Falling NEAT — moving and fidgeting less without noticing — is a core driver of metabolic adaptation and a common reason fat loss stalls. Keeping a daily step target is a simple way to protect it.
Frequently asked questions
How is NEAT different from exercise?
Exercise is deliberate training you set out to do; NEAT is all the incidental movement around it — walking, standing, chores, fidgeting. For many people, NEAT burns more total calories across the day than their workouts do.
Why does NEAT vary so much between people?
It's largely unconscious and partly genetic. Some people naturally move and fidget far more than others, which can mean hundreds of extra calories burned per day without any extra exercise.
Does NEAT drop when I diet?
Yes, often significantly. As you eat less, your body conserves energy by moving less spontaneously. This drop in NEAT is a major part of metabolic adaptation, which is why a daily step goal helps protect your deficit.
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