Big Dogs. Big Joints. Big Damn Relief.

Vet-reviewed*, giant breed tested, and tail-waggingly effective.

Built for our Lucy. Now made for yours.

We created this supplement for our own dog, Lucy - a 120-pound Great Dane who started slowing down at just five years old.

The joint supplements on the market weren’t made for dogs her size, so we built one that was: dosed for giants, packed with proven ingredients, and backed by results.

We watched it give Lucy more, better years. Now we’re here to help you give your dog the same.

Don’t Waste Time

The Big Dog Joint Care Advantage

  • 1

    Preserves Joint Function

    Glucosamine, chondroitin, MSM, and eggshell membrane collagen work together to maintain cartilage health, support flexibility, and protect against wear and tear.

  • 2

    Reduces Inflammation

    Natural anti-inflammatories like Boswellia and turmeric work together to help reduce stiffness, swelling, and discomfort at the source.

  • 3

    Relieves Discomfort

    Powerful, proven ingredients work to ease joint discomfort and improve daily mobility - so your big dog can move freely and comfortably.

Some of What’s Inside (and Why It Works)

  • Glucosamine

    Essential for cartilage repair and maintenance, glucosamine has been proven to delay the progression of joint issues, keeping your dog mobile and comfortable for longer.

  • MSM & Chondroitin

    These proven ingredients work together to enhance cartilage elasticity and hydration, providing essential cushioning and long-term joint protection for your dog.

  • Eggshell Membrane

    A natural source of collagen, elastin, and glycosaminoglycans, eggshell membrane has been clinically shown to rebuild cartilage, improve flexibility, and reduce stiffness.

  • Boswellia Serrata

    This powerful anti-inflammatory helps alleviate discomfort and improve mobility, particularly in dogs with arthritis.

  • Turmeric (Curcumin)

    Known for its potent anti-inflammatory and antioxidant properties, turmeric supports joint health by reducing swelling and protecting against oxidative damage.

  • Manganese

    A vital mineral that supports cartilage formation, enzyme function, and overall joint health, ensuring long-term mobility for your dog.

They Made the Switch - Here’s What Happened | Real Customer Reviews

  • ★★★★★
    I cannot recommend this enough!!!! - I was hesitant at first, but after my vet reviewed the ingredients and dosing, she said it was absolutely worth trying—and wow, was she right. After just a few weeks, our big boy was back to his zoomies, pouncing, happy self. We’ve tried other joint supplements with no real change, but this one brought his personality back. I’ve never felt better about supporting a company—it’s clear they truly care about improving dogs’ lives.
    Jennifer W.
  • ★★★★★
    Best supplement for giant dogs - We have a 206 pound Old English Mastiff known for joint issues. These joint supplements are the only ones that actually have enough of each ingredient necessary for a large dog. No guessing how many to give your dog since most supplements only give number of tablets up to 100 pounds. My dog (Mugsy) loves these as treats. He's 5 years old and still running around, playing. Our vet checks him for joint pain and ability to get up off the floor at each visit and he's showing no signs of slowing down.
    Cindy B.
  • ★★★★★
    Love this vitamin! - I looked all over for a supplement for our giant boy and finally found Big Damn Dog Co. And have been so happy. Our boy is 130lb great dane/german shepherd mix and he loves his vitamins morning and night. I feel confident he's getting what he needs.
    Megan D.
  • ★★★★★
    Switched to This - I used to give my Great Dane a different product, but I never really saw much of a difference. It felt like I was just giving it because I was supposed to, not because it was actually helping. After switching to this supplement, I noticed a real improvement. He gets up easier, isn’t as stiff after naps, and seems more comfortable on longer walks. The fact that it’s made specifically for giant breeds gives me a lot more confidence in what I’m giving him. I wish I had switched sooner.
    Savanah
  • ★★★★★
    Back to his old self! Max, my 5-year-old Great Dane, was getting stiff after our walks. I tried different products, but nothing made a difference until I found this joint supplement. After one bottle, Max is getting back to his playful self! It's dosed by weight and has natural ingredients, so I feel good about giving it to him. Highly recommend for big dog owners!
    Shelby M.
  • ★★★★★
    Now a staple in our house! Bella, our 5-year-old Mastiff, had been struggling with joint pain for over a year. We were skeptical about trying yet another supplement, but this one has been a game-changer. The combination of glucosamine and eggshell membrane is what stood out to us and made us give it a try. Bella’s mobility has improved significantly, and she seems much happier and more active. This supplement is now a staple in our household!
    John K.
  • ★★★★★
    Really helped with the inflammation! Our Bernese Mountain Dog was having a tough time with his early onset arthritis. We tried a few things, but nothing really made a difference until we found this joint supplement. Honestly, I didn’t expect much, but wow—what a difference! He’s got more energy, and he’s not limping nearly as much as before. You can really tell it’s helping with the inflammation. I’m just happy to see him enjoying his walks again! This stuff is now part of his daily routine, and I’m so glad we gave it a shot.
    Mike
  • ★★★★★
    I’m really impressed! Duke is my first Newfoundland and after talking with my vet I've had him on this joint supplement since he stopped growing. I just wanted to get ahead of any future joint issues since Newfies can be prone to that. So far, I’m really impressed! He’s running around like a puppy, and we haven’t seen any stiffness at all. What I love is the natural ingredients—I feel good about what I’m giving him. Plus, it’s specifically made for big dogs, which is a big win in my book. If you’ve got a giant breed, I’d say give this a try.
    Linda M.
  • ★★★★★
    Worth the investment. We have a Saint Bernard and started this joint supplement about two months ago, and he’s like a new dog. He used to struggle with stairs, but now he moves easily. I love that it's for big dogs. Worth the investment for his health.
    Emma R.

How We Compare | See why more big dog owners are making the switch.

Scroll left to right  Others
Glucosamine
2000mg
900mg
MSM
1800mg
800mg
Chondroitin
900mg
350mg
Comprehensive Formula
11 Ingredients
4 Ingredients
Eggshell Membrane Collagen
200mg
Made Exclusively for Big Dogs
Batch Tested for Potency & Purity

Your Questions, Answered. Your Dog, Supported.

Everything you need to know before (or after) hitting “add to cart.”

  • Giant breed dogs are prone to joint issues, and many vets recommend starting as early as 1–3 years old, or once your dog has finished growing. Starting before visible pain gives them the best chance at more comfortable, active years.

  • Many dogs see improvements within the first month, but 60–90 days is recommended to reach full efficacy. But if your dog isn’t showing symptoms yet—that’s actually a good thing. Our formula is designed for proactive joint care, helping you prevent pain before it starts. Long-term comfort starts with prevention. Still, if you're not satisfied, we offer a lifetime guarantee—just contact us for a refund on your most recent order.

  • Yes. Every batch is tested for potency, purity, and contaminants. We manufacture in an FDA-registered facility that follows strict Good Manufacturing Practices (GMP), using only high-quality, dog-safe ingredients.

  • Subscriptions ship every 30 or 90 days to ensure your pup never runs out. They include 20%+ off + free shipping. You can skip, pause, or cancel anytime—no hidden fees or commitments.

  • For dogs 100lb+, give two chewable tablets in the AM and PM, preferably with meals. One bottle is a one-month supply at full dose.

  • Yes—our formula is made with natural, non-reactive ingredients. That said, always consult your vet to ensure compatibility with your dog’s specific health needs.

Get Your Big Damn Dog Movin’ Again

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*Vet Reviewed: product formula and ingredient profile have been reviewed and approved by a small animal veterinarian.