Zinc prevents vaginal candidiasis by inhibiting expression of fungal protein
science.org
science.org
Yeast infections are transferable to men.
In any case, If you go to pharmacy and browse that aisle the products are targeted at women because it's primarily women that experience symptoms. You can certainly take those medications, and you probably should if a partner needs to.
The study abstract suggests the use of a zinc gel. It would be interesting to know if zinc supplements have any impact or whether on topical application has any impact.
Then of course there’s always some disingenuous replies that defend it, any way they can, while simultaneously trying to sound academic to deflect potential responses.