Can Dogs Eat Buttermilk? A Comprehensive Guide for Dog Owners

As a devoted dog owner, you always strive to provide your furry friend with the best nutrition and care. While commercial dog food often covers most of their dietary needs, you may wonder if you can supplement their meals with healthy human foods. One such food item is buttermilk, a fermented dairy product widely used in cooking and baking.

So, can dogs eat buttermilk? This comprehensive guide will explore the pros and cons of including buttermilk in your dog’s diet and answer whether buttermilk is good for dogs. 

Introduction to Buttermilk

Buttermilk is a low-fat dairy product, rich in minerals such as calcium and potassium and essential vitamins like B12. It also contains probiotics, which are beneficial for digestive health.

Although buttermilk is a staple in human diets, the question remains: can dogs drink buttermilk?

Can Dogs Eat Buttermilk: The Verdict

The answer to this question is a cautious yes. Most dogs can consume buttermilk in moderation without any adverse effects.

However, some dogs may be lactose intolerant or allergic to dairy products, which could cause digestive issues if they consume buttermilk.

Therefore, as a responsible pet owner, it’s crucial to monitor your dog’s reaction to buttermilk and consult your vet before significantly changing their diet.

5 Key Considerations When Giving Buttermilk to Dogs

Before you start serving buttermilk to your furry friend, keep the following factors in mind:

Moderate Consumption is Key

While buttermilk is generally safe for dogs, moderation is crucial. Due to its lactose content, excessive buttermilk consumption may lead to digestive issues such as diarrhea, gas, or bloating, especially in lactose-intolerant dogs.

Start by offering small amounts and gradually increase the serving size if your dog tolerates it well.

Do Not Substitute Buttermilk for Regular Dog Food

Buttermilk should not replace your dog’s regular diet. It can be a healthy addition to their meals but cannot provide all the necessary nutrients for a balanced canine diet.

In addition, overfeeding buttermilk could lead to an imbalanced diet and potential health issues, so treat it as an occasional supplement rather than a staple.

Monitor Your Dog’s Reaction

As with any new food, observing your dog’s reaction to buttermilk is essential. Some dogs may experience gastrointestinal distress, vomiting, or diarrhea after consuming buttermilk.

If your pet shows any signs of discomfort or intolerance, discontinue the use of buttermilk and consult your veterinarian.

Avoid Buttermilk for Lactose-Intolerant Dogs

If your dog has a history of lactose intolerance or dairy allergies, it’s best to avoid buttermilk altogether.

While buttermilk has lower lactose content than regular milk, it can still cause digestive issues in sensitive dogs. Instead, choose other dog-friendly treats and supplements to ensure your pet’s well-being.

Choose Unflavored and Unsweetened Buttermilk

Commercial buttermilk products may contain added sugars or artificial flavors that could harm dogs.

Excessive sugar consumption can lead to dental problems and obesity, while artificial flavors may cause allergic reactions. When selecting buttermilk for your dog, ensure it is plain, unsweetened, and unflavored.

Potential Health Benefits of Buttermilk for Dogs

Although not a necessary part of your dog’s diet, buttermilk can offer several health benefits when consumed in moderation:

Probiotics and Digestive Health

Buttermilk is rich in probiotics, beneficial bacteria supporting gut health. These live microorganisms can improve digestion, boost the immune system, and inhibit the growth of harmful bacteria in the intestines.

As a result, regular consumption of buttermilk can help alleviate digestive problems such as diarrhea, constipation, and gas and even contribute to overall health and disease prevention.

Calcium for Strong Bones

Calcium is essential for proper bone development and maintenance in dogs. Buttermilk is a natural source of this vital mineral, which can help prevent bone-related issues such as osteoporosis and fractures.

Including buttermilk in your dog’s diet can provide calcium for strong, healthy bones.

Protein for Muscle Growth

Buttermilk is also a good source of protein, which is crucial for muscle repair and growth. Proteins are composed of amino acids, the building blocks of muscle tissue.

Therefore, a balanced diet with adequate protein intake is necessary to maintain your dog’s muscle mass and prevent muscle atrophy.

Hydration Support

Buttermilk can help keep your dog hydrated, especially if they are not drinking enough water. While fresh water should always be available to your pet, buttermilk can be an additional source of hydration.

This can be particularly beneficial for dogs recovering from illness or surgery, requiring proper hydration to support healing.

Improved Skin and Coat Health

The lactic acid present in buttermilk can enhance your dog’s skin and coat health. Lactic acid helps exfoliate dead skin cells, reduce inflammation, and stimulate the growth of healthy skin cells.

Additionally, the fats in buttermilk can moisturize the skin and improve the appearance of your dog’s coat.

Precautions and Potential Side Effects

While buttermilk can offer several health benefits for dogs, it’s essential to be aware of potential side effects and precautions:

Lactose Intolerance and Dairy Allergies

As mentioned earlier, some dogs may be lactose intolerant or allergic to dairy products. In such cases, consuming buttermilk can cause gastrointestinal issues, ranging from mild discomfort to severe symptoms such as vomiting and diarrhea.

If you suspect your dog has a lactose intolerance or dairy allergy, consult your veterinarian before introducing buttermilk to their diet.


Excessive buttermilk consumption can lead to an imbalanced diet and potential health problems. Stick to moderate servings and ensure that buttermilk does not replace your dog’s regular meals.

Monitor for Adverse Reactions

Always keep an eye on your dog’s reaction to buttermilk. If you notice discomfort or intolerance, stop giving buttermilk to your pet and consult your veterinarian.


In conclusion, while buttermilk is not an essential part of a dog’s diet, it can provide some health benefits when consumed in moderation.

Before introducing buttermilk to your pet’s meals, consult your veterinarian and carefully monitor your dog’s reaction. Remember to choose plain, unsweetened, unflavored buttermilk, and avoid overconsumption to ensure your dog’s well-being.

By taking these precautions and understanding the potential risks and benefits, you can decide whether buttermilk is a suitable addition to your dog’s diet.


Is buttermilk good for dogs?

While not toxic, buttermilk is high in fat and some dogs may have lactose intolerance, leading to digestive issues.

Can you give puppy buttermilk?

It’s not recommended. Puppies, like some adult dogs, can be lactose intolerant. Stick to specially formulated puppy milk replacers.

Is curd or buttermilk good for dogs?

Both can be difficult for dogs to digest. If you wish to give dairy, a small amount of plain yogurt is better.

Is buttermilk easily digestible?

For humans, yes. But for dogs, dairy products like buttermilk can cause digestive issues due to potential lactose intolerance.

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