Complex sentence: Once-daily doses are not recommended, since insulin usually metabolizes faster in cats than in humans or dogs or humans; an insulin brand that lasts 24 hours in people may only be effective for about 12 in a cat.
Split into simpler sentences: Once-daily doses are not recommended, since insulin usually metabolizes faster in cats than in humans or dogs. For example, an insulin brand that lasts 24 hours in people may only be effective for about 12 in a cat.