Look at my earlier reply to your comment:

Don't use it on humans. My BIL took something similar, a pet fish form of something beneficial (I don't know the details because they were too embarrassed to talk about it). It made him quite ill. It took him a month to recover.

Now read this: https://www.dailymail.co.uk/news/article-8144449/Man-dies-wife-critical-care-took-fish-tank-cleaner-cure-coronavirus.html

The couple, both in their 60s, were hospitalized after ingesting chloroquine phosphate, an additive often used at aquariums to clean fish tanks