I’ve found it on Amazon periodically, but to avoid that, they show up at a local Asian supermarket sometimes.
They’re hot as fuck to me though (I’m kinda a spicy wuss though), like, painful to finish…but tasty. My friend can eat them and barely break a sweat or get flush. YMMV.
Denmark recalls South Korean Samyang noodles for being too spicy - CNA (www.channelnewsasia.com)