Question 1

What is BMR?

Accepted Answer

BMR (Basal Metabolic Rate) is the number of calories your body burns at rest to maintain basic functions like breathing, circulation, and cell production. It accounts for about 60–75% of total daily energy expenditure.

Question 2

What is TDEE?

Accepted Answer

TDEE (Total Daily Energy Expenditure) is your BMR multiplied by an activity factor. It represents the total calories you burn in a day including physical activity. This is the baseline for weight management.

Question 3

How many calories should I eat to lose weight?

Accepted Answer

A calorie deficit of 500–750 calories per day leads to about 0.5–0.75 kg of fat loss per week. Never go below 1,200 calories/day (women) or 1,500 calories/day (men) without medical supervision.

Question 4

Does the Harris-Benedict vs Mifflin-St Jeor formula matter?

Accepted Answer

The Mifflin-St Jeor equation is generally considered more accurate for most people and is the current standard. Harris-Benedict (revised) is also widely used. Differences are typically small (50–100 calories).

Question 5

How does activity level affect my calorie needs?

Accepted Answer

Activity multipliers range from 1.2 (sedentary) to 1.9 (very active). A sedentary person and a very active person of the same weight can have calorie needs differing by 700–1,000 calories per day.

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