Some individuals may find that the keto diet does not help them lose weight. In most cases, it's because they haven't yet entered ketosis. There are various reasons why an individual may not shed pounds while on the keto diet. Failure to achieve ketosis High levels of anxiety Excessive protein consumption Continuous snacking Consuming an excessive amount of tolerable carbohydrates Underlying health issues Alcohol intake Maltitol consumption Not keeping track of calories Little to no physical activity