I recently heard that Cavia Complete has actually been discontinued for quite some time? If so, what's a good replacement for it?

I got my information from http://www.chubbypetsgarden.com

My GP has been eating Cavia Nature + Cavia Complete- he's an incredibly picky eater. He used to eat Gerty Guinea Pig but he didn't really like it, he prefers Cavia Nature + Cavia Complete more (He eats more of them compared to Gerty). The reason why I added Cavia Complete was because he picks his mix (Cavia Nature) but at the same time he doesn't eat pellets at all. The only "complete" food he eats is Cavia Complete. So yeah. I'm thinking of Cavia Duo- not sure if he'll like it

Well, seems like there's no other suggestions for my question Oh well. I'll find a substitute eventually. This thread is very clique-y