The low-carbohydrate diet, also known as low-carb, has gained popularity for its potential benefits in terms of weight loss and blood sugar control. It involves a significant reduction in carbohydrate intake in favour of more protein and fat. Although many people are successful on this diet, there are also a number of potential side effects that can result from long-term use of this diet. In this article, we will discuss the various side effects of a low-carbohydrate diet, both short-term and long-term.