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Lifespan Guide
Metabolic Health

The Complete Low Carb & Keto Starter Guide

A practical, Lifespan-curated guide to low carb, keto, ketovore, and carnivore eating — designed to help you reverse metabolic syndrome, lose weight, and put type 2 diabetes into remission.

Overhead flat-lay of healthy keto and low-carb foods including salmon, steak, eggs, avocado, leafy greens, broccoli, butter, olive oil, almonds, and blueberries

Looking for ready-to-cook meals? Browse 37 breakfasts, lunches, and dinners — each tagged Low Carb, Keto, or Carnivore. Open the Meal Plans →

Section 1

What Is a Low Carb or Keto Diet?

Low carb diets reduce sugar and starch intake while emphasizing whole foods, healthy fats, quality protein, and non-starchy vegetables. A ketogenic diet is a stricter form of low carb eating designed to help the body enter ketosis, where fat and ketones become a primary fuel source. Most keto diets limit net carbohydrates to approximately 20–50 grams per day.

The vast majority of people who adopt low carb / keto eating do so to improve metabolic health: stabilize blood sugar, reduce insulin, shrink waist circumference, lower triglycerides, raise HDL, reduce fatty liver, and reduce or eliminate dependence on medications for type 2 diabetes, hypertension, and obesity.

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