Anyone else notice that Welactin omega 3 oil for cats is out of stock everywhere?

And I mean everywhere in the US...and I can't find any info as to why its completely out of stock. I don't see anything about a recall, what's going on?

PS (Anyone have omega 3 oil alternatives suggestions for my cat? He's 9 years, 9 pounds. He's been doing great on the Welactin since his vet recommended awhile back, but yeah doesn't seem like I'll be able to get that product again since it's basically gone lol)