Consult your doctor first: Before you start a high protein, low carb diet plan, you may want to get a doctor's advice. Though this diet is generally healthy, you might have a health condition that requires a low protein diet. A doctor can recommend you to a nutritionist who can design a personalized meal plan for you.

Watch out for mood changes: People who follow a high protein diet often experiences drastic mood changes. So if you have a tendency to be moody to begin with then this type of diet might not be for you.

Intellectual capacity: A diet that contains high proteins with fewer carbs may affect your intellectual capacity. People who have followed this diet have reported a slight reduction in their mental capacities. If your job requires mental acuity then following this diet may not be a wise choice.

Fatigue: A low carb diet can result to fatigue. Carbohydrates is the body's source of energy so the absence of carbohydrates in the diet can lead to feelings of exhaustion and fatigue. This is therefore not recommended for athletes and people who do physical work. The best thing here is to make sure that you are getting the right amount of carbs that you need.