Besides, we've never seen any convincing evidence that garlic repels the bugs. We know the B vitamins work, and we know they're safe for your pets. So we stick with what we know. No, neither you nor your pet will notice an odor. Fleas can smell it, though, and they don't like it a bit.
Dogs do sweat, but only through their pads and tongues.
The odor is emitted by the skin cells themselves. That's why it takes a little time for the Flea Treats to start working. The skin cells manufactured by your pet once you've started feeding the Flea Treats have to work their way to the surface of your pet's skin. My pet is pregnant. Flea Treats are not only safe for pregnant and nursing dogs and cats, they're actually good for them.