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

  • 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.

  • Zesty Paws Wild Alaskan Omega-3 Blend Salmon Oil

    Zesty Paws Wild Alaskan Omega 3 Blend Salmon Oil Product Image

    Ingredient Transparency:

    4.5 / 5

    Scientific Support:

    4 / 5

    Brand Score:

    4 / 5

    overall Rating:

    4 / 5

    Read Review

    Product Overview

    Zesty Paws offers a pure, NASC-certified blend of wild Alaskan salmon and pollock oil. It excels in improving coat shine and palatability for picky eaters. However, users frequently struggle with messy pumps and the strict requirement for refrigeration after opening, which demands valuable storage space in your kitchen.

    Key Benefits

    • Maintains skin barrier to help manage seasonal allergies
    • Promotes joint mobility in aging dogs
    • Enhances coat shine and softness
    • Supports heart and immune health

    Pros

    • NASC certified for safety
    • Natural triglyceride form absorbs well
    • Highly palatable liquid format
    • Pure oil with no fillers

    Cons

    • Requires refrigeration after opening
    • Pump dispenser often drips or leaks
    • Strong, lingering fish odor

    Bottom line

    This liquid supplement is a safe, effective choice for maintaining skin and heart health. It offers better value than soft chews and uses verified wild-caught sourcing. While the packaging can be frustrating, the quality ingredients and proven results make it a worthwhile investment for most owners.

  • Paramount Pet Health Liquid Glucosamine

    Paramount Pet Health Liquid Glucosamine Product Image

    Ingredient Transparency:

    4 / 5

    Scientific Support:

    4 / 5

    Brand Score:

    3.5 / 5

    overall Rating:

    4 / 5

    Read Review

    Product Overview

    Paramount Pet Health Liquid Glucosamine provides high-potency joint support in a convenient fluid form. It effectively targets pill-averse dogs with robust dosages, yet it lacks the reassurance of NASC certification. Users report excellent mobility gains, though pump mechanics and consistency vary.

    Key Benefits

    • Liquid form absorbs faster than pills
    • High-strength dose supports mobility
    • Savory flavor aids easy dosing
    • Ideal for large or aging dogs

    Pros

    • Mixes easily with any dog food
    • Higher potency than many chews
    • Economical for multi-dog homes
    • Fast absorption speed

    Cons

    • Lacks NASC certification
    • Pump dispensers can leak
    • Uses Glucosamine HCl (potentially less effective than Sulfate)
    • Batch color may vary

    Bottom line

    Paramount Pet Health delivers a potent liquid solution that eliminates the daily battle of pilling your dog. It offers superior absorption speed and great value for large breeds. While effective, the absence of an NASC safety seal is a notable omission that buyers must consider.

  • 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.

  • Zesty Paws 8-in-1 Multivitamin Bites

    Zesty Paws 8 in 1 Multivitamin Bites Product Image

    Ingredient Transparency:

    4 / 5

    Scientific Support:

    3.5 / 5

    Brand Score:

    3 / 5

    overall Rating:

    3.5 / 5

    Read Review

    Product Overview

    Zesty Paws 8-in-1 Bites provide convenient, tasty daily maintenance for healthy dogs. While ingredients like OptiMSM are high-quality, the recent manufacturing recall raises caution. Ultimately, the dosages for joints and skin are too low for managing established conditions, making it best for prevention only.

    Key Benefits

    • Supports joint, gut, and heart health daily.
    • Tasty soft chew format replaces pills to simplify administration.
    • Includes branded ingredients like OptiMSM for better sourcing traceability.

    Pros

    • High palatability makes daily dosing stress-free.
    • NASC certification ensures third-party quality assurance.
    • Convenient all-in-one formula simplifies routines.

    Cons

    • Low Omega-3s are insufficient for inflammation.
    • Recent manufacturing safety recall raises caution.
    • Unverified enzyme blend potency lacks transparency.

    Bottom line

    This supplement is a great preventative choice for healthy dogs due to high convenience and taste. However, it lacks the therapeutic potency needed for seniors with established joint or skin issues. It is best used as nutritional insurance rather than a targeted medical treatment.

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.