Share on Pinterest Is a keto diet or a Mediterranean diet better for blood sugar control, gut health, and weight loss? Design by MNT; Photography by CWP, LLC/Stocksy & Nadine Greeff/Stocksy.

Keto is a high-fat, high-protein, and low-carb diet dating back to the 1920s when it was first used to help control seizures in people with epilepsy, according to the National Library of Medicine.

Learn about macros and their connection to weight loss and a healthy diet—plus a breakdown of how many macronutrients you ...