Can Dogs Eat Marshmallows?

If you follow me on Facebook, you've probably noticed that I post Corgi pictures pretty frequently. My dogs are adorable, they know they're adorable, and they have absolutely mastered the art of looking at me like they deserve whatever I'm eating.

So naturally, when I make gourmet marshmallows, there is probably a Corgi somewhere in the house wondering, "Are those for me?"

You can see more of my Corgi adventures on my Facebook page.

But here's the funny part: I don't actually give my dogs marshmallows.

Me? That's another story. I eat wayyyy too many marshmallows because I love my own product. That's one of the hazards of making something delicious for a living.

But what about dogs and marshmallows? Can dogs eat marshmallows?

The simple answer is: a plain marshmallow isn't considered a highly toxic food for dogs, but marshmallows are not a good regular treat for them. They're essentially a sugary human treat with very little nutritional value. And there are a few important exceptions that every dog owner should know about.

Why Aren't Marshmallows Good for Dogs?

Traditional marshmallows are primarily made from ingredients such as sugar, corn syrup, gelatin, and flavoring. They're designed to be delicious—not nutritionally beneficial.

The American Kennel Club's guidance on dogs eating marshmallows notes that marshmallows provide very little nutritional value and that their high sugar and calorie content makes them a poor choice for dogs. Too many sugary treats can contribute to problems such as obesity, particularly when they're added on top of a dog's normal diet.

And let's be honest: your dog doesn't need a marshmallow.

Your dog already thinks the cardboard box your marshmallows arrived in is a gourmet meal.

The important thing is moderation. A healthy dog that manages to eat one ordinary marshmallow isn't necessarily facing a medical emergency simply because it ate a marshmallow. But intentionally feeding your dog marshmallows as a regular treat isn't a great idea.

What About All That Sugar?

This is probably the biggest reason I wouldn't make marshmallows part of a dog's regular snack routine.

Humans can enjoy sugary foods occasionally, but dogs don't need added sugar in their diets. The more sugary treats a dog receives, the easier it is for those extra calories to add up.

The American Kennel Club's veterinary guidance on artificial sweeteners and dogs specifically cautions that high-sugar foods can be particularly problematic for dogs with diabetes or weight-management issues.

So while your dog may look at you with those enormous, emotionally manipulative eyes while you're eating a vanilla marshmallow, you don't have to give in.

Those eyes are a scam.

A very cute scam.

And Then There's the Teeth Problem

Here's another reason I'm not handing marshmallows to my dogs.

Dog dental health matters.

According to VCA Animal Hospitals' information about dental disease in dogs, more than 80% of dogs over the age of three have active dental disease. Periodontal disease is one of the most common dental problems dogs experience, and many dogs don't show obvious signs that something is wrong.

And here's where I have to admit something that many dog owners probably already know:

Most of us aren't brushing our dog's teeth every single day.

VCA recommends regular tooth brushing as one of the most effective ways to help prevent plaque buildup and maintain your dog's oral health. Their guide to successful toothbrushing for dogs also explains how owners can gradually train their dogs to tolerate having their teeth brushed.

I'm not saying that eating one marshmallow is going to destroy your dog's teeth. It isn't that simple.

But if your dog is already getting sugary human treats regularly—and you're not keeping up with dental care—that's another reason to skip the marshmallows and stick with treats designed for dogs.

Your dog's dentist probably isn't going to be thrilled about the marshmallow habit.

The REALLY Important Ingredient: Xylitol

There is one situation where the answer changes from "probably not a good treat" to "this could be an emergency."

That's xylitol.

Xylitol is a sugar substitute that is extremely dangerous to dogs. The American Kennel Club's information about artificial sweeteners and dogs explains that xylitol can cause a dangerous drop in blood sugar and potentially lead to seizures, liver failure, and death.

Pet Poison Helpline's information about xylitol poisoning in dogs likewise warns that xylitol can cause life-threatening low blood sugar and acute liver failure in dogs.

That's why you should always check the ingredient label before allowing your dog to eat any human food.

Don't assume that something is safe just because it looks like an ordinary marshmallow or candy.

If a product contains xylitol, birch sugar, or another name used for xylitol, keep it away from your dog.

And if your dog eats something containing xylitol, don't wait around to see what happens. Contact your veterinarian or an emergency veterinary clinic immediately. Pet Poison Helpline's xylitol poisoning guidance recommends getting professional help as soon as possible after a suspected ingestion.

What If My Dog Accidentally Eats a Marshmallow?

If your dog steals one ordinary marshmallow off the counter, don't immediately assume the worst.

Check the ingredients first.

If it doesn't contain xylitol or another dangerous ingredient, the main concern is generally that your dog has eaten a sugary food that isn't particularly good for them. Eating a larger quantity can potentially cause gastrointestinal upset, including vomiting, diarrhea, or loss of appetite.

The American Kennel Club's guide to marshmallows and dogs recommends keeping marshmallows away from dogs because of their sugar content and lack of nutritional benefit.

The situation is different if your dog ate a large quantity, ate a product containing xylitol, or is showing concerning symptoms.

When in doubt, call your veterinarian and tell them what your dog ate, how much they ate, and what ingredients were in the product.

And please don't try random internet remedies to make your dog vomit unless a veterinarian specifically tells you to. Pet Poison Helpline's guidance for pet owners warns that attempting to induce vomiting at home can sometimes make a poisoning situation worse.

So, Can Dogs Eat Marshmallows?

Here's my simple rule:

Dogs can survive eating a plain marshmallow, but marshmallows aren't a treat I'd recommend intentionally feeding to dogs.

They're high in sugar, provide little nutritional benefit, and there are better treats specifically formulated for canine diets.

And if the marshmallow or other sweet contains xylitol, that's a completely different situation and can be extremely dangerous.

For my own Corgis, I'll stick to dog-safe treats.

I'll keep the gourmet marshmallows for myself.

Because somebody has to make sure the chocolate, vanilla, strawberry, and other delicious flavors get the appreciation they deserve.

And apparently, that somebody is me.

What About Humans?

Now this is where I have considerably fewer rules.

If you're looking for a soft, fluffy gourmet marshmallow for your own hot chocolate, s'mores, dessert table, or late-night snacking, that's exactly what we make at Pinkhat Marshmallows.

You can explore our gourmet marshmallow flavors and find something delicious for your next cup of hot chocolate, campfire, party, or dessert.

Our marshmallows are made for people—not for Corgis who are standing underneath the kitchen counter hoping something falls.

So give your dog a proper dog treat, keep sugary human treats out of reach, brush those teeth, and save the marshmallows for yourself.

Your dog will forgive you.

Probably.

And if you need an excuse to eat another marshmallow yourself, I fully support that.

Just don't blame the Corgi.

This article is for general educational purposes and is not a substitute for veterinary advice. If you believe your dog has eaten a potentially dangerous ingredient or is experiencing symptoms, contact your veterinarian or an emergency veterinary service.