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    Can Dogs Eat Lettuce?

    Can Dogs Eat Lettuce?

    by Health / 3 min read


    Published: July 27, 2022
    Updated: May 12, 2023

    Summary: In this blog, we learn whether dogs can eat lettuce and whether there are any benefits to your dog eating lettuce too…

    Can Dogs Eat Lettuce?

    Yes, dogs can eat lettuce - but in moderation! This includes the romaine and iceberg lettuce varieties. 

    This leafy green vegetable is safe for your dog to eat, and carries nutrients like Vitamin C, A, and K, folate, potassium, chlorophyll, and calcium. It’s also high in fiber and is very low in calories. 

    However, lettuce is primarily water - in fact, it’s made up of 90% water! So, although it contains all of these nutrients, the nutritional load is a touch low. But, that doesn’t mean it shouldn’t be given to your dog. Water’s still important and beneficial, particularly on a hot summer day, and the fiber content of lettuce is still high which most dogs need support with!

    However, because of its high fiber content, too much of this vegetable may cause stomach upset in a dog if lots of lettuce is consumed at once. 

    You may also assume that because lettuce is OK for a dog to eat, that similar vegetables like kale and spinach will be too. Kale actually contains potentially harmful compounds like isothiocyanates that can irritate a canine’s gastrointestinal tract and calcium oxalate which can cause bladder and kidney stones. Spinach is high in oxalic acid which can prevent the body from absorbing calcium and thus lead to issues with a dog’s kidneys, so do be cautious with these seemingly similar veggies.

    Cabbage on the other hand is safe for a dog to eat in moderation, as long as it’s cooked, plain and unseasoned.

    A large fresh ice-berg lettuce sits on a kitchen counter top

    How To Feed Your Dog Lettuce

    You should always wash lettuce before feeding it to a dog, to make sure any pesticide residue or bacteria has been rinsed away. Lettuce should also be cut up and shredded before being fed to a dog. Large pieces of lettuce can pose a choking hazard, particularly for dogs who gulp their food down or small breeds

    You can offer small pieces of lettuce as a treat to your dog, or add it to their meal. 

    Don’t feed lettuce to your dog that’s been a part of a salad, because the other ingredients present in the salad may not be safe for your dog to eat. If the lettuce leaf has been dressed with any oils or salad dressings, your dog shouldn’t eat this lettuce for the same reason. Many salad dressings contain xylitol (a sweetener) and/or onion or garlic powders which are all toxic to dogs. The lettuce should be washed and plain. It may also be served to a dog steamed. 

    Related PetLab Co. Read: Can Dogs Eat Tomatoes?

    Always take it slowly when introducing any new food to your dog to avoid upsetting their stomach - particularly with puppies. Feed a very small amount of plain, washed, and undressed lettuce per day before considering continuing to feed low quantities of the leafy vegetable to your dog. As with humans, all dogs will react differently to different foods so always be mindful of this when trying them on new foods, snacks, and treats regardless of whether they’re deemed safe.

    There are some foods you should absolutely avoid feeding your dog. Find an extensive list below of food known to be toxic to dogs that you should make sure your dog never consumes:

    A blue and white infographic that details which foods are known to be toxic to dogs


    Author Guthrie, Lynn “Can Dogs Eat Lettuce? Yes - And It’s Good For Them!” Prrs&Wags by Pumpkin, Jun 21. 2021're,with%20your%20furry%20friend's%20tummy.

    Author Lotz, Kristina “Can Dogs Eat Lettuce?” American Kennel Club, May 14. 2018

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    The information contained within this site is not intended as a substitute for professional medical or veterinary advice. PetLab Co. is not intended to diagnose, treat, cure or prevent any disease. If your pet has, or you suspect your pet has any medical condition, you are urged to consult your veterinarian. Medical conditions can only be diagnosed by a licensed veterinarian. These statements have not been evaluated by the Food and Drug Administration. Results May Vary. Not intended for human consumption. Please consult your veterinarian regarding any change in treatment or supplementation.
    *In Amazon Pet Health Category in 2022