Healthy fats rich in omega-3 fatty acids are encouraged for improved cardiovascular health. No food groups are eliminated. Restricted animal products can cause vitamin and mineral deficiencies. Whole grains fall into the calorically dense category and are limited, which reduces intake of beneficial wheat fiber. The ultimate quick fix, the diet is easy to follow and results in weight loss, primarily due to fluid loss and the few calories dieters eat while in the state of ketosis.
Many dieters enjoy the unrestricted protein and fats.
The diet is high in saturated fat and cholesterol, increasing the risk of cardiovascular disease, is very low in fiber and is inadequate in numerous vitamins and minerals. Health concerns include the risk of dehydration and stress on the kidneys. It carries numerous unpleasant side effects, and there are no long-term studies to document its safety. Not recommended, especially for anyone with diabetes or heart or kidney problems. Mixing carbohydrates, proteins and fats confuses your digestive system and causes weight gain.