Keto Basics

Ketosis is the metabolic state at the heart of the ketogenic diet. Learn exactly what ketosis is, how your body enters it, what signs and symptoms to look for, and how to know if you’re truly in ketosis — backed by science.

Knowing exactly what to eat on keto is the foundation of success. This comprehensive keto food list covers every food group — what’s allowed, what to avoid, and what to eat in moderation — so you can shop, cook, and eat with confidence on the ketogenic diet.

Starting the keto diet can feel overwhelming, but it doesn’t have to be. This complete beginner’s guide walks you through everything you need to know to start keto successfully — from calculating your macros to stocking your kitchen and avoiding common mistakes.