Answer: Yes.
Reason: Flavored coffee should not be bought without kosher certification.
Source:
- Star-K: all flavored coffees must be kosher certified.
- OK: flavored coffee requires a kosher symbol and an urn used only for that kosher flavor.
- cRc: flavored coffee beans require certification.
- OU: flavored coffees in coffeehouses “should require a hechsher.”
Related questions:
More from Rabbi Tahan: Kosher Without Borders: Coffee, Coolers, and More
References: Star-K, “Knowing Your Beans: The Kashrus of Coffee” · OK, “Students’ Questions” · cRc (askcrc.org), “Coffee beans, whole” · OU, “Coffee” (Kosher in the Factory)
