If you're curious about starting this eating plan, I've put together a five-day keto meal plan for weight loss. You can enjoy foods like meat, fish, eggs, cheese, butter, oils, nuts, seeds ...

Suzanne Ryan, author of "Simply Keto" who's lost 120 pounds on the plan, advised people to avoid ... consuming too much — 400 milligrams per day of caffeine is usually considered a safe amount.

Those in the low-calorie keto group were supplied protein-based meals containing few carbohydrates — less than 30 grams (g) per day. After 2 months, people in the low-calorie keto group were ...