Keto Diet for Beginners: Setting Your Macros

Published Apr 13, 2026 · 6 min read

The ketogenic diet forces your body to use fat instead of carbs for fuel. The standard keto ratio is roughly 70% fat, 25% protein, 5% carbs.

Standard Keto Macros

Macro% of CaloriesExample (2,000 cal)
Fat70-75%156g
Protein20-25%100g
Net Carbs5-10%25g

Keto-Friendly Foods

What to Expect

Days 1-3: Carb withdrawal, fatigue. Days 4-7: "Keto flu" β€” headache, brain fog (drink electrolytes). Week 2-3: Adapted, energy returns, appetite decreases.

Try it: Use our Keto Macro Calculator to get personalized keto macros based on your stats and goals.
πŸ“š Sources: DOE NIH USDA