Adequate food records were available for analysis in a proportion of participants at each of the 4 timepoints (Table ​(Table2).2). Participants completed food records at a mean of 2.5 and a median of 3 timepoints. In general, comparing baseline to subsequent timepoints, mean carbohydrate intake decreased substantially and energy intake decreased moderately while protein and fat intake remained fairly constant.

This research found the weight loss was slightly greater in the group fasting for two days compared to the other group. It’s worth noting that the participants in these studies were given a huge amount of support, which wouldn’t happen if you were just picking up a book on the 5:2 diet. Overall, there isn’t actually much evidence and we need more data on the long-term success of these diets.’
The benefits above are the most common ones. But there are others that are potentially even more surprising and – at least for some people – life changing. Did you know that a keto diet can help treat high blood pressure, may result in less acne, may help control migraine, might help with certain mental health issues and could have a few other potential benefits?