Can Dogs Eat Uncrustables?

Last Updated on 11/17/2021 by Veronica Jones

Your dog probably loves to eat, and they are probably dying to taste whatever they see you eating. If they see you eating peanut butter and jelly sandwiches (like an Uncrustable), they may want to try a bite. However, before feeding ANY food to your dog, you need to make sure it’s safe.

Can Dogs Eat Uncrustables?

No, dogs cannot eat Uncrustables. Uncrustables have a lot of sugar and other additives in them, making them an unhealthy choice for your dog. While it may not be directly “toxic” for your dog, the harm far outweighs the good.

What Are Uncrustables?

Can Dogs Eat Uncrustables

Uncrustables are frozen sugary sandwiches. They are sealed sandwiches without crust, hence the name. It has two slices of bread with peanut butter and jelly in the middle.

Can Dogs Eat Uncrustables
“Smucker’s Uncrustable” by Au Kirk is licensed under CC BY 2.0

What Happens if My Dogs Eat an Uncrustable?

If your dog happens to snag small amounts of Uncrustables on a rare occasion, nothing may happen. Small amounts of Uncrustables will likely not be enough to cause any serious concern in most dogs. However, it can cause long-term conditions if your dog eats Uncrustables regularly.

Side Effects of Uncrustables for Dogs

Health Benefits of Uncrustables for Dogs?

There are no real health benefits that Uncrustables can give dogs. Dogs love peanut butter and it is good for them, which Uncrustables has. However, the peanut butter that Uncrustables has is very high in sugar, fats, etc., making it bad for your furry friend.

Can Dogs Eat Peanut Butter?

Yes, dogs can eat peanut butter, but it’s something that should only be fed in small amounts. It’s also very important that the peanut butter you feed your dog does not contain xylitol.

Can Dogs Eat Peanut Butter

Side Effects of Uncrustables for Dogs?

Peanut butter is a great treat for dogs, and Uncrustables has peanut butter, but it is not good for dogs. Dogs can only have pure and natural peanut butter, free from additives. Uncrustables peanut butter is very high in sugar, salt, oils, etc., which can harm your dog’s health.

Moreover, dogs should not have that much peanut butter, even if it is natural peanut butter. Most dogs can only have 1/2-1 tablespoon of natural peanut butter as an occasional treat. An Uncrustable usually has much more peanut butter, and it is the sugary, unhealthy kind.

The strawberry jam and grape jelly filling that Uncrustables have are usually bad for dogs. Grapes are toxic to dogs, so they should be avoided at all costs. Grape poisoning can cause kidney failure in most dogs.

Both the grape jelly and strawberry jam fillings also contain a load of sugar, which can lead to obesity. Obesity can shorten your dog’s lifespan, worsen other conditions, worsen your dog’s quality of life, etc. Moreover, obesity and high blood sugar levels can cause diabetes.

The bread will also likely be “empty calories” for your dog. Most dogs will not benefit from carbohydrates like bread since vegetables like sweet potatoes, carrots, etc. Bread from Uncrustables has a ton of preservatives and additives, and even sugar, making it unsafe for your dog.

Health Benefits of Uncrustables for Dogs
“Smucker’s Uncrustable” by Au Kirk is licensed under CC BY 2.0

All in All

Dogs cannot eat Uncrustables because it can only give them adverse reactions and lead to long-term conditions. If your dog happens to eat a bit of an Uncrustable, they may be fine. However, long-term consumption of an Uncrustable can pose many health risks.

Looking for More Great Articles About What Your Dog Can (or Can’t) Eat?


  1. National Peanut Board, “Can Peanut Butter Harm Your Dog? An Expert Weighs in for National Dog Day”, good news is that,furry friend can enjoy it., Date Accessed – 17 August, 2021
  2. MSD Vet Manual, “Raisin and Grape Toxicosis in Dogs”,, Date Accessed – 17 August, 2021
  3. AVMA, “Study finds overweight dogs live shorter lives”, research with data provided,with a healthy body weight., Date Accessed – 17 August, 2021
  4. American Kennel Club, “Diabetes in Dogs: Symptoms, Causes, & Treatment”,, Date Accessed – 17 August, 2021

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