10 Best Fish Oil Supplements For Dogs 2025 in the United States

Zesty Paws Wild Alaskan Salmon Oil is a well-rounded supplement designed to support the skin and coat health of both dogs and cats. Packed with Omega-3 fatty acids, including EPA and DHA, this product boosts the immune system, and aids in joint and heart function.

The supplement comes in an easy-to-use oil form, which makes it simple to mix with pet food without dealing with capsules. The pump dispenser ensures accurate dosing based on your pet's weight, making it convenient for pet owners to administer the right amount. The oil is sourced from Wild Alaskan Salmon, which is known for its high Omega-3 content, contributing to its purity and quality.

Potential buyers should note that the product's fishy smell might be off-putting to some pets and owners. Additionally, while it suits all life stages, it may require an adjustment period for pets not accustomed to fish oil in their diets. This supplement is ideal for pet owners looking for an easy-to-administer product that significantly benefits their pets' skin, coat, and health.

BARK&SPARK Omega 3 for Dogs stands out with its 500mg of Omega-3 (EPA+DHA) per serving, which is beneficial for skin, coat, and joint health. This supplement addresses common issues like dog shedding, skin allergies, and itch relief effectively. Made in the USA with human-grade ingredients, it promises high purity and quality.

The use of Alaskan Salmon as the source of fish oil ensures a rich natural flavor, likely to appeal to picky eaters, and eliminates the hassle of dealing with pills, powder, or capsules. Additionally, the product offers a good value with up to 3 months' supply in a single jar, making it cost-effective for long-term use. However, users must consider that while the treats are convenient, the dosage and concentration should be monitored to match the dog's specific dietary needs.

Potential buyers should also be aware that individual results can vary, and it might not solve all skin and coat issues for every dog. This chewable form may not be suitable for dogs with certain dental issues or preferences. Despite these minor drawbacks, BARK&SPARK Omega 3 provides a comprehensive solution for maintaining the health and well-being of dogs.

Nordic Naturals Omega-3 Pet oil supplement is a high-quality liquid fish oil designed specifically for large to very large breed dogs. Each teaspoon provides 1518 mg of Omega-3 fatty acids, including EPA and DHA, which support heart, skin, coat, joint, and immune health. This product uses triglyceride molecular form for optimal absorption, ensuring your pet gets the most benefit from the supplement.

The oil is sourced from fresh, wild-caught, omega-rich fish and is crafted with non-GMO, gluten- and dairy-free ingredients without artificial colors, flavors, or preservatives, ensuring maximum purity and quality. Nordic Naturals also emphasizes ethical and sustainable practices, with Friend of the Sea certification and manufacturing in a zero-waste facility powered by biofuel. The supplement is unflavored, making it easy to add to your dog’s food without altering the taste.

The liquid form is convenient for mixing with food, and the bottle should be refrigerated and used within three months of opening. Potential drawbacks include the need for refrigeration and the relatively short shelf-life once opened. Additionally, the liquid form might not be as convenient as capsules for some pet owners. This supplement is an excellent choice for pet owners seeking a premium Omega-3 supplement for their large breed dogs.