What is Biotin and why is it in your dog’s food?

by beaconpet
The Importance of Biotin for Your Dog's Health

Ever wondered why biotin, also known as Vitamin B7, is included in your dog’s food? Biotin is a crucial B-complex vitamin that plays a vital role in your dog’s overall health. It is responsible for maintaining a healthy skin and coat, aiding digestion, regulating blood sugar levels, and supporting a robust immune system. While biotin is naturally found in foods like eggs, fish, and nuts, it is often added to dog food to ensure your furry companion receives an adequate amount.

Rest assured, the biotin added to dog food is safe for dogs and not toxic. However, it’s essential to note that cooking processes can diminish the vitamin content in the food, which is why biotin is reintroduced. When you’re checking your dog’s food ingredients, be on the lookout for biotin—it’s there to promote your pup’s overall well-being. For more insights into your dog’s health and nutrition, explore our articles at Beaconpet.com.

What is Biotin and why is it in your dog’s food?

What is Biotin in your dog food?

Biotin is a B-complex vitamin that is commonly added to dog food. It is also known as Vitamin B7 or Vitamin H. B vitamins are essential for your dog’s health as they help maintain proper bodily functions. Biotin, in particular, plays a role in maintaining healthy skin and coat. It is naturally found in foods like eggs, fish, nuts, and leafy greens. However, most dogs get their biotin from their pet food as an added ingredient.

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How does biotin help your dog?

Biotin provides several key benefits to your dog when included as part of a balanced diet. One of the most common benefits is its ability to maintain healthy skin and coat. It can improve dry, itchy skin and add shine to dull hair. Biotin also supports digestion by helping enzymes break down protein, carbohydrates, and fat for energy. It regulates blood sugar levels and supports a healthy immune system by aiding immune cell function. Overall, biotin is essential for your dog’s health and well-being.

What is Biotin and why is it in your dog’s food?

Why is biotin added to dog food?

Even if dog food contains ingredients that are naturally high in biotin, the cooking process can significantly reduce the vitamin content. High temperatures used in cooking can destroy vitamins and minerals, including biotin. To ensure that dogs receive enough biotin in their diet, dog food manufacturers add vitamins and minerals back into the food after the cooking process. Biotin is one of the vitamins commonly added back to dog food to maintain its nutritional value.

Is Biotin safe for dogs?

The amount of biotin added to dog food is considered safe for dogs. Biotin is water-soluble and not toxic, so dogs cannot overdose on it. However, biotin levels can decrease as dogs urinate, so it’s important to replenish biotin through their diet. Biotin deficiency can lead to health issues such as dry fur, a dull coat, itchy skin, and rashes. Fortunately, most dog foods available in the USA have been formulated to meet the necessary biotin requirements for dogs.

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Biotin is not known to trigger allergies in dogs. It is generally well-tolerated and safe for consumption.


A clinical study conducted on 119 dogs with various skin conditions showed that biotin supplementation improved their skin health. The dogs experienced improvements in their coat quality, itchiness, and other skin issues after being treated with biotin for 3-5 weeks. While biotin is extensively studied in humans, studies specific to dogs have shown positive results in improving skin conditions.

The Importance of Biotin for Your Dog's Health


The FDA permits the use of biotin as an additive in dog food under the GRAS (Generally Recognized as Safe) notification. This means that if the correct manufacturing process is followed, biotin is considered safe for use in dog food. The Association of American Feed Control Officials (AAFCO) also mandates that the amount of biotin in dog food be displayed in milligrams per pound on a guaranteed analysis.

Similar ingredients to biotin

While there isn’t an individual ingredient that can replace biotin, there are other ingredients that can provide similar benefits for your dog’s skin and coat. Salmon oil, fish oil, and omega-3 DHA are commonly used in dog foods and supplements to improve skin and coat health.

Additional resources

For more information on biotin and other nutritional additives in dog food, you can refer to the Association of American Feed Control Officials’ publication. It provides detailed guidelines and information on pet food regulations and standards.


Biotin plays a crucial role in maintaining your dog’s overall health, with particular benefits for their skin, coat, digestion, blood sugar regulation, and immune system. While biotin is naturally found in certain foods, the cooking process used in dog food production can reduce its content. That’s why dog food manufacturers add biotin back into the food to ensure dogs receive an adequate amount. Biotin is considered safe for dogs, and its deficiency can be prevented through balanced nutrition.

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