# Learn

Short guides on calories, protein, macros, and how MFM estimates nutrition. Every answer is in the HTML with matching Markdown twins.

Updated 2026-10-23 · data v2026-10-23.1

## How MFM calculates its numbers

How we pick recipes that fit your diet and macros, and where our numbers come from.

[Read](https://macrofriendlymeals.com/learn/how-mfm-works)

## Calorie deficit and fat loss

A calorie deficit means you eat fewer calories than your body uses—your total daily energy expenditure (TDEE).

[Read](https://macrofriendlymeals.com/learn/calorie-deficit)

## TDEE: total daily energy expenditure

Total daily energy expenditure (TDEE) is the calories your body uses in a day—mostly resting metabolism, daily movement, planned exercise, and digesting food.

[Read](https://macrofriendlymeals.com/learn/tdee)

## What are macros?

Macronutrients—protein, carbohydrates, and fat—are the three nutrients that supply calories.

[Read](https://macrofriendlymeals.com/learn/macros)

## How much protein do you need per day?

Protein targets depend on weight and training.

[Read](https://macrofriendlymeals.com/learn/protein)

Canonical: https://macrofriendlymeals.com/learn

Data 2026-10-23.1.