Dog Supplement
Reviews and Ratings

Science-backed insights and honest reviews to help you choose the best supplements for your dog

dog supplement review researcher with dog lab illustration

Featured Reviews

Our most popular dog supplement reviews this month! Whether you’re looking to support your dog’s joints, digestion, immune system, or overall wellness, we’ve highlighted top-rated products to help you make informed choices.

Explore All Reviews

  • Innovet Advanced Mobility Support Chews

    Innovet Advanced Mobility Support Product Image

    Ingredient Transparency:

    3 / 5

    Scientific Support:

    3.5 / 5

    Brand Score:

    3.5 / 5

    overall Rating:

    3.5 / 5

    Read Review

    Product Overview

    Innovet Advanced Mobility Support Chews combine Hemp Extract with Glucosamine and Green-Lipped Mussel to support joint health. Although appealing to dogs and easy to give, the lower hemp amount makes them much better suited for small breeds or preventative care rather than managing significant stiffness in large dogs.

    Key Benefits

    • Supports daily comfort with hemp extract.
    • Promotes healthy cartilage using Glucosamine.
    • Rich in Omega-3s from Wild Alaskan Salmon Oil.
    • Soft texture perfect for picky eaters.

    Pros

    • Strong, savory scent that appeals to most dogs.
    • Soft texture is easy to chew.
    • Gentle formula for sensitive stomachs.
    • Mess-free compared to oils.

    Cons

    • Low potency for big dogs.
    • Very expensive for large breeds.
    • Hemp amount lower than some study recommendations.
    • Lacks NASC quality seal.

    Bottom line

    These soft chews are a great choice for picky small dogs needing mild joint support. The flavorful formula makes administration effortless. However, owners of large dogs or those needing stronger support for significant discomfort will find better value and results with concentrated oils or higher-strength powders.

  • Purina Pro Plan Veterinary Supplements Multi Care

    Purina Pro Plan Veterinary Supplements Multi Care Product Image

    Ingredient Transparency:

    4 / 5

    Scientific Support:

    3.5 / 5

    Brand Score:

    4.5 / 5

    overall Rating:

    4 / 5

    Read Review

    Product Overview

    Purina Multi Care simplifies canine wellness with a tasty, NASC-certified 3-in-1 chew. It effectively maintains digestive balance, skin health, and immunity daily. While convenient, the lower ingredient potency is best for general support rather than treating active health issues. Additionally, the high daily dose makes it costly for large breeds.

    Key Benefits

    • Maintains consistent digestive balance and healthy stool quality daily.
    • Nourishes sensitive skin for a shiny, soft, lustrous coat.
    • Supports healthy immune function using safe, effective postbiotics for complete canine wellness.

    Pros

    • Reliable NASC quality assurance safety standards.
    • Savory liver flavor most dogs love.
    • Replaces three separate daily supplements.

    Cons

    • Low Omega-3 dosage for itchy skin.
    • Expensive daily cost for large breeds.
    • Chews harden quickly if bag unsealed.
    • Not hypoallergenic for sensitive dogs.

    Bottom line

    This is a reliable, safe choice for simplifying daily wellness routines. The NASC backing offers peace of mind for general health maintenance. However, owners seeking stronger support for specific problems or those with giant breeds may find specialized standalone supplements offer better value and higher ingredient strength.

  • Nutramax Cosequin

    Nutramax Cosequin Product Image

    Ingredient Transparency:

    4.5 / 5

    Scientific Support:

    4 / 5

    Brand Score:

    5 / 5

    overall Rating:

    4.5 / 5

    Read Review

    Product Overview

    Cosequin helps maintain healthy joints and mobility using proven ingredients like glucosamine and chondroitin. It’s trusted for quality and safety, though results vary among dogs and benefits take time to appear. Ideal for aging or active pets needing reliable, gentle joint support.

    Key Benefits

    • Supports joint structure and comfort
    • Promotes flexibility and easier movement
    • Safe for long-term daily use
    • Trusted veterinary brand with NASC seal
    • Palatable chewable tablets and soft chews

    Pros

    • Uses clearly identified ingredients with straightforward daily dosing.
    • Trusted brand with strong veterinary recommendation history.
    • Palatable chewable format that makes routine use simple.
    • Senior version includes omega-3 fatty acids for added joint support.
    • Safe for long-term use when given as directed.

    Cons

    • Research on glucosamine and chondroitin shows mixed results in dogs.
    • Improvements develop slowly over several weeks.
    • Works best when combined with veterinary care and lifestyle changes.
    • Some dogs may not like the flavor or texture.
    • Dogs with shellfish sensitivities should verify ingredient sources.

    Bottom line

    Cosequin is a safe, dependable choice for supporting your dog’s joint health. While benefits appear gradually, it’s backed by veterinary trust, consistent quality, and real-world results that help keep dogs active, comfortable, and happy.

  • Purina Pro Plan Veterinary Supplements FortiFlora

    Purina Pro Plan Veterinary Supplements FortiFlora Product Image

    Ingredient Transparency:

    3.5 / 5

    Scientific Support:

    4 / 5

    Brand Score:

    5 / 5

    overall Rating:

    4 / 5

    Read Review

    Product Overview

    Purina FortiFlora is a widely recommended probiotic supplement distinguished by its guaranteed bacterial stability and exceptional palatability. It is designed to support immune health and help manage stress-related digestive upset. While highly reliable for these specific uses, the formula relies on animal digest for flavor and offers a lower colony-forming unit (CFU) count than some therapeutic alternatives.

    Key Benefits

    • Formulated to support a healthy immune system
    • Supports stool quality and flatulence reduction
    • Encourages appetite through savory flavoring
    • Helps manage diarrhea associated with antibiotic therapy

    Pros

    • Verified stability of live bacteria
    • Exceptional palatability for picky eaters
    • Suitable for most puppies and adult dogs

    Cons

    • Higher cost per serving than bulk powders
    • Includes animal digest and brewers yeast
    • Lower CFU potency than some clinical competitors

    Bottom line

    FortiFlora stands out as a reliable, easy-to-administer option for dog owners. While it may not be the most potent probiotic on the market, its proven stability and high acceptance rate make it a top consideration for helping manage common stress-related digestive issues and supporting immune health.

  • Nutramax Dasuquin with MSM

    Nutramax Dasuquon with MSM Product Image

    Ingredient Transparency:

    5 / 5

    Scientific Support:

    4.5 / 5

    Brand Score:

    5 / 5

    overall Rating:

    4.5 / 5

    Read Review

    Product Overview

    Dasuquin with MSM delivers exceptional joint support using a scientifically backed formula featuring ASU. While the premium cost and frustration with packaging durability are valid concerns, the strict quality control and documented efficacy make it a reliable, top-tier choice for maintaining canine mobility and comfort long term.

    Key Benefits

    • Helps inhibit cartilage breakdown with clinically backed ASU.
    • NASC Seal verifies quality standards and label accuracy.
    • MSM supports comfort and a normal inflammatory response.
    • Promotes long-term mobility for active dogs.

    Pros

    • Formula utilizes the clinically supported, unique ASU ingredient.
    • Strict manufacturing quality control ensures total product consistency.
    • Trusted and widely recommended by veterinary professionals.

    Cons

    • Significantly higher price point than generic competitors.
    • Requires weeks of consistent use for results.
    • Resealable bag zipper frequently fails to close.

    Bottom line

    This supplement sets the gold standard for joint health with its research-backed ingredients and rigorous testing. Despite the high price tag, the long-term benefits for mobility make it a worthwhile investment for aging or active dogs requiring reliable, safe, and effective structural support for daily comfort.

DOG SUPPLEMENTS 101

The Complete Guide to Dog Supplements

Do dogs really need supplements? We break down the evidence behind probiotics, multivitamins, and joint support. Learn how to identify safe products and integrate them into your dog’s wellness strategy.

Read the Guide
Cartoon Dog Wellness Supplements Circular Illustration

Recent Articles

Explore our collection of articles on dog health supplements, offering expert insights and practical tips for enhancing your pet’s wellness. Discover trusted information to help you choose the best supplements for your dog’s unique needs.

Explore All Articles
  • white and brown spotted dog on leash looks up at person in camo jacket in forest

    Dog Supplements: A Science-Backed Guide to Types & Benefits

    December 30, 2025
    Navigate dog supplements with confidence. We analyze veterinary consensus on supplements to help you choose safe, effective options.
  • avoiding over-supplementation dog balancing supplements on tightrope illustration

    Avoiding Over-Supplementation in Dogs with Balanced Nutrition

    November 16, 2025
    Avoiding over-supplementation starts with balanced nutrition and smart supplement use. Learn about risks and how to read labels with confidence.
  • organic dog multivitamins farm fresh ingredients illustration

    Organic Dog Multivitamins for Natural Health Support

    November 14, 2025
    Go natural with your dog’s care. Explore the benefits of plant-based, organic dog multivitamins.