https://academic.oup.com/ofid/advance-article/doi/10.1093/ofid/ofab358/6316214
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8248252/
The largest meta-analysis both analyses that contributed most of the power to show a benefit was from a flawed "study" that was withdrawn due to plagiarism and falsified data
https://www.nature.com/articles/d41586-021-02081-w
In the linked study, the endpoint was "reduction of viral load" in an outpatient setting. No clinical outcomes were assessed.
Link me something good.