Kitten with diarrhea

[Left]

From the beginning Archie has been really gassy.

I originally had him on raw food but he was picky and I was wasting a lot of food.

Then I switched to Wellness and he had pretty yellow, runny stools which were so strong that it would clear the room.

He's quite the stinky fellow.

He's still like that off and on and always gassy.

Can anyone recommend a food that is good for that sort of thing. I was hoping I could try some different foods rather then the cost of the vet??

I don't know if it's the dry food or if it's something in the Wellness he's allergic to?