I have a really fat cat and I’m looking for the best dietary supplement available for felines. I know most cats don’t rely on a dietary supplement to get them through, but this cat is a picky enough eater that she won’t eat her food when she can taste that I’ve spiked it with. dietary supplements. Maybe it’s dumb that I’m worried about my cat’s dietary supplement health, but she’s my baby. I would like to find her a natural dietary supplement or maybe an herbal dietary supplement, but it would also have to be tasty for a kitty. it is wrong to feed your pet a weight loss dietary supplement? What if had vitamins dietary supplements aren’t THAT bad.