I don't show cats, but I picked up a jar of Four Paws Brewers Yeast tablets at the pet store a couple months ago. It's a jar of 500 and I think I've still got 3/4 of a jar left... it lasts a loooong time. Anyway, it's AMAZING. Before I started giving it to the animals, they had dry coats and were shedding like crazy. Sasha was especially bad, and I'd brush her twice a day and would get 5 brushfuls of hair off at each grooming. After about a week of the tablets, I can now barely get any fur off of her at grooming sessions and she's so much shinier. All of the cats have amazing coats since being on it. Oh, and it does have garlic in it as well.