Is lettuce safe for dogs?

Edamame is safe for dogs and is a good source of protein. Some fruit vegetables like tomato (not the plant or green tomatoes -- those are toxic), cucumber, zucchini and bell peppers are safe for dogs to ingest, but avocado should be avoided, as it is considered poisonous to canines. read more

Given that it’s 90 percent water, lettuce’s nutritional content is somewhat low, especially the iceberg variety. But it does contain beta-carotene (a red-orange pigment that’s converted into Vitamin A) and is a great source of fiber. Exact nutritional value varies between the different types of lettuce. read more