 This study analyzed the content of the hashtag hashtag mental health on TikTok and found that over 1 billion cumulative views were received for videos related to mental health, with almost half of the assessed videos reporting or expressing symptoms of mental distress. The most common content category was general mental health, while other categories included self-harm, hospitalization, and coping strategies. Among the videos that received more than the overall average number of likes, many included comments offering support, or validation, and describing other mental health issues or struggles. This article was authored by Corey H. Bash, Laurie Donnell, Joseph Farah, and others.