The study[1] doesn't appear to define 'supplement'. Is there some understood definition? That seems like a vague term to apply statistical analysis to without s

The study[1] doesn't appear to define 'supplement'. Is there some understood definition? That seems like a vague term to apply statistical analysis to without some categorization. 1. https://www.mja.com.au/journal/2021/215/6/drug-induced-liver-injury-australia-2009-2020-increasing-proportion-non?utm_source=carousel&utm_medium=web&utm_campaign=homepage https://www.mja.com.au/journal/2021/215/6/drug-induced-liver...