# What Is Ketosis? Complete Guide

Canonical page: https://keeto.app/ketosis-guide

A Keeto resource explaining ketosis, ketones, carbohydrate restriction, and practical tracking considerations.

## Overview

The guide explains ketosis as a metabolic state in which the body uses fat-derived ketones as a fuel source after carbohydrate intake is reduced.

## How it works

It describes reducing carbohydrates, monitoring food intake, hydration, and the adjustment period commonly called keto flu.

## Limitations

The guide says medical applications and significant dietary changes should be discussed with a healthcare provider.

Last updated: 2026-07-13