 most of gen z uses tick tock to seek out health advice the zing coach poll found that 56 percent of gen z looks on tick tock for wellness diet and fitness advice over a third said they use the app as their main form of health advice meanwhile 14 said they get health advice from friends 13 from google and 11 from qualified doctors or trainers when asked why gen z chooses tick tock four and ten respondents said it's because it's free