Fyer Keto Price : However, it is not safe for use in people with certain genetic conditions that affect the metabolism of fatty acids. Nutritional deficiencies are a risk for any severely restricted diet, and in 2008 there was a report of two cases of sudden cardiac arrest in children who had been on the ketogenic diet for three years.This makes MCTs a perfect weight loss supplement for keto dieters. The most common ways that people stress their bodies on a diet is by eating too little and exercising too much. Studies have found that exercising for more than an hour a day can drop our metabolic rate by 15%, and maintaining a caloric deficit of 25% can decrease our metabolic rate by 6%. In other words, don’t overdo it — you will slow your metabolism down and cause your own weight loss plateau.