5 Benefits of Pantothenic Acid (B5) Veterinarians Focus On — Key Summary for Skin, Coat, and Energy

Skin & CoatIngredientsMeongsiljang Veterinary Advisory Board

Pantothenic acid (vitamin B5) is a water-soluble vitamin essential for skin and coat health as well as energy metabolism. Here’s how it benefits dogs and cats, along with recommended dosages and important precautions.

What Is Pantothenic Acid (B5)?

Shiny coats in dogs and cats, and foods rich in pantothenic acid

Pantothenic acid, also known as vitamin B5, is a water-soluble vitamin that serves as a precursor to coenzyme A (CoA), which is essential for converting carbohydrates, fats, and proteins into energy. Its most important role is functioning as a coenzyme in cellular metabolism, supporting energy production through CoA synthesis, fatty acid metabolism, and growth. Because it is water-soluble, any excess is excreted through urine, making it important to provide a consistent supply through a complete and balanced diet.

Key Benefits of Pantothenic Acid

Pantothenic acid plays a variety of important roles in your pet’s body. It is especially crucial as a key building block for the synthesis of coenzyme A (CoA), directly supporting overall energy metabolism.

Energy Production: It helps produce coenzyme A, which converts fats, carbohydrates, and proteins into usable energy.

Fatty Acid Metabolism: Through CoA-dependent pathways, it supports normal cell metabolism in the skin and coat.

Immune Function: Studies have shown that a deficiency may lead to reduced antibody production.

Growth Support: Essential for growing puppies and kittens, as a lack of pantothenic acid can halt growth.

Digestive Health: Deficiency can affect the lining of the digestive tract, potentially leading to conditions like gastritis or enteritis.

Evidence from Veterinary Nutrition Research

According to the National Research Council’s (NRC) nutrient requirements for companion animals, pantothenic acid is classified as an essential nutrient for both dogs and cats. Veterinary nutrition textbooks report that a deficiency can lead to decreased appetite, gastrointestinal signs such as gastritis, enteritis, and intestinal intussusception, and in severe cases, neurological abnormalities including inability to stand and seizures, as well as growth retardation and reduced antibody production. Gastrointestinal and neurological symptoms are recognized as the primary signs of deficiency, rather than changes in the skin and coat. True deficiency is rare in pets fed a complete and balanced commercial diet.

A veterinarian examining a dog's skin and coat

Recommended Feeding Dosage Guidelines

According to NRC guidelines, adult cats require approximately 4.6 mg of pantothenic acid per kilogram of dry matter in their diet (the minimum requirement) up to 5.75 mg (the recommended intake level). Pantothenic acid has also been confirmed as an essential nutrient for dogs; however, because their specific daily needs vary depending on body weight, age, and health status, it is difficult to express this as a single fixed value per unit of body weight. Most complete and balanced commercial diets that meet AAFCO standards already contain sufficient amounts. Before using any supplements, always consult your veterinarian to determine the appropriate dosage based on your pet’s weight and health condition.

Pantothenic Acid Summary Card

Safe

판토텐산(Pantothenic Acid)

피모 윤기·에너지 대사·피부 재생

Dosage: 강아지 0.4mg/kg/일, 고양이 0.14mg/kg/일

미국국립연구위원회(NRC) 권장

Side Effects and Precautions

Pantothenic acid is a water-soluble vitamin, so even if consumed in excess, it is excreted through urine and is known to have minimal toxicity. However, long-term use of high-dose supplements may rarely cause diarrhea or indigestion. Pets with liver or kidney disease may experience different metabolic burdens, so do not administer supplements without veterinary guidance. In most cases, additional supplementation is unnecessary if your pet is already eating a complete and balanced diet.

A small puppy next to a bowl of balanced dog food

Natural Foods Rich in Pantothenic Acid

Pantothenic acid is widely found in various animal- and plant-based foods. While it can be used in small amounts as a pet treat or topper, you should never feed human food directly to your pet. According to veterinary nutrition resources, foods particularly rich in pantothenic acid include organ meats like liver and kidney, yeast, and egg yolks.

Liver and Kidney: These organ meats are representative sources especially rich in pantothenic acid.

Yeast: Known as a food with high pantothenic acid content.

Egg Yolks: Serve only in small amounts, fully cooked.

Salmon and Tuna: Used as protein sources; remove excess fat, cook thoroughly, and serve in small amounts.

Brown Rice and Sweet Potatoes: Cook completely and use in small amounts as a topper.

Important Checks Before Using Supplements

Commercial vitamin B complex supplements contain pantothenic acid along with several other ingredients. For pets already eating a balanced diet, these supplements can lead to excessive intake, and in certain breeds or medical conditions, interactions with other vitamins may occur. Always show your veterinarian the ingredient list and consult them before combining these supplements with any existing medications or nutritional products.

Reviewed by a veterinarian

Dr. Tony — Punnawat Phongkittirak

Veterinarian

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.

Frequently Asked Questions

What symptoms occur when there is a deficiency of pantothenic acid?

The most common signs are a decreased appetite and gastrointestinal symptoms such as gastritis and enteritis. In severe cases, neurological abnormalities like inability to stand or seizures, stunted growth, and impaired antibody production have also been reported. However, these symptoms are very rare in dogs that eat their regular food well.

Can I give my dog human vitamin B5 supplements?

Human medications have different dosages and excipients than those formulated for pets, so we do not recommend using them. If necessary, use only products specifically designed for animals or follow the dosage prescribed by a veterinarian.

Do cats also need pantothenic acid?

Yes, pantothenic acid is an essential nutrient for cats as well. According to NRC guidelines, it must be supplied through the diet, and complete and balanced cat foods already contain the recommended levels of pantothenic acid.

My pet’s coat has become dry and brittle. Is supplementing with pantothenic acid alone sufficient?

Coat and skin issues may not be caused by a single vitamin deficiency. Since the underlying causes can vary—such as allergies, thyroid disorders, or parasitic infections—it’s best to start with a veterinary examination.