There are some disadvantages to the Mediterranean diet:

• Heavy reliance on carbohydrates, although they are complex carbohydrates with a low GI
• Can cause weight gain in some peopl, who are not used to eating so many carbohydrates
• May require a complete diet overhaul to start this diet, which can be difficult for some people
• Lots of planning to prepare and create meals for this diet
• Fish can be more expensive to buy than cheaper cuts of meat