The author wrote about her experiences 3 years later on: https://www.greaterwrong.com/posts/zpg2C9fmzcGqqhZpE/hyperpalatable-food-hypothesis-a-lesswrong-study/c

The author wrote about her experiences 3 years later on: https://www.greaterwrong.com/posts/zpg2C9fmzcGqqhZpE/hyperpalatable-food-hypothesis-a-lesswrong-study/comment/CRmYEy7EiYtgmWGCk https://www.greaterwrong.com/posts/zpg2C9fmzcGqqhZpE/hyperpa... TLDR: while meal replacements were technically effective, they did come at a cost to her mental health. Shifting to a well balanced diet appeared more sustainable in the long run.