Understanding Calories and Metabolism
What are calories, and how does your metabolism affect weight loss? A simple guide for beginners.
To lose weight effectively, it helps to understand two things: calories and metabolism. Do not worry — you do not need to be a scientist.
What is a calorie?
A calorie is a unit of energy from food. Your body burns calories for everything from breathing to walking. When you eat fewer calories than you burn, you lose weight.
What is metabolism?
Metabolism is the rate at which your body burns calories. A faster metabolism burns more calories even at rest. Muscle mass, activity level and age all affect it.
How to find your calorie needs
Use our free Calorie Calculator to estimate your daily calorie needs based on your age, gender, height, weight and activity level. Then aim for a small, sustainable deficit.
The takeaway
You do not need to count every calorie. Focus on whole foods, portion control and staying active.
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