If your dog has inflammatory bowel disease (IBD) and is also getting stiff, you are looking after two things at once. Anything new in the bowl feels like a risk, and many owners hold off on joint support because they are afraid of upsetting a gut that has finally settled.
A question we hear a lot is what to do when your dog cannot tolerate seafood, because several well-known joint ingredients come from the sea. Here we go through what to check, what to ask your vet, and how to think about a joint supplement for a dog with a sensitive digestive system.
A joint supplement is a complementary feed. It supports your dog alongside veterinary care and does not replace it. With an IBD dog, your vet's input matters even more than usual.
What the labels show when your dog has IBD or colitis
When a dog's gut has only just settled, every ingredient on a joint supplement label deserves a proper look. The table below puts six well-known UK options together so you can read their formulas in one place and take what you find to your vet.
MedPaw Hip & Joint Chews Max is our own product, and it sits in the first column. We have kept the comparison to what each formula lists, so you can judge the ingredients for yourself.
Key joint actives in the UK's leading dog joint supplements
| Ingredient | MedPaw Hip & Joint Chews Max | NutraPaw Joint Support | YuMOVE Joint Support PLUS Max | Seraquin Joint | Synoquin EFA | Nutraquin+ |
|---|---|---|---|---|---|---|
| Key joint actives | 6 of 6 | 4 of 6 | 3 of 6 (+1 via mussel) | 2 of 6 | 2 of 6 | 3 of 6 |
| Glucosamine | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Chondroitin | ✓ | ✗ | Via mussel | ✓ | ✓ | ✓ |
| MSM | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Green-lipped mussel | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ |
| Hyaluronic acid | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ |
| Boswellia | ✓ | ✗ | ✗ | ✗ | ✗ | ✓ |
| Omega-3 | Mussel, flax | Mussel | Mussel, fish oil | ✗ | Krill oil | ✗ |
| Turmeric | ✗ | ✓ | ✗ | ✓ | ✗ | ✗ |
| Collagen | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Antioxidants | Vit C, Vit E, zinc | Manganese | Vit C, Vit E, manganese | ✗ | Vit C, zinc | Vit C, zinc |
| Format | Soft chew | Tablet | Tablet | Chewable tablet | Tablet or capsule | Capsule |
| Guarantee | 60 days | 90 days | 6 weeks | Not stated | Not stated | Not stated |
✓ = included, ✗ = not listed. Key joint actives: glucosamine, chondroitin, MSM, green-lipped mussel, hyaluronic acid and Boswellia. Taken from each manufacturer's published information, September 2026.
The first row counts six key joint actives: glucosamine, chondroitin, MSM, green-lipped mussel, hyaluronic acid and Boswellia serrata. MedPaw is the only one of the six products to list all of them, scoring 6 of 6. NutraPaw scores 4, YuMOVE and Nutraquin+ 3 each, and Seraquin and Synoquin EFA 2 each.
For a dog with IBD or colitis, that means one daily chew supports hips and joints from several angles, so you are not adding a string of separate products to a carefully managed routine. MedPaw is made with rapeseed oil and glycerine, and the full ingredient list is easy to print or photograph for your vet.
The soft chew format is simple to give alongside a prescribed diet, and the 60-day money-back guarantee means you can take the time your dog's routine needs. Subscribe & Save is there if you decide to continue. MedPaw supports joints, mobility and comfort, alongside the care your vet provides.
MedPaw contains green-lipped mussel, which is a shellfish, along with rapeseed oil and flax seed. If your dog has a shellfish allergy, needs a low-fat diet, is pregnant or nursing, or is still a growing puppy, check with your vet before starting any joint supplement.
Read the MedPaw Hip & Joint Chews Max label See the full ingredient list and feeding guide for MedPaw Hip & Joint Chews Max, ready to share at your next appointment.
Start with the right diagnosis
Owners often use "arthritis" and "hip dysplasia" as though they mean the same thing, but they are different problems. Arthritis is a gradual, inflammatory joint condition in which the cushioning cartilage at the ends of the bones wears down over time. Hip dysplasia is a looseness in the hip joint, often inherited, that leads to wear as your dog moves.
Knowing which one you are dealing with, or whether it is something else entirely, shapes everything that follows. A vet visit also lets your vet see the whole picture: the IBD plan, the current diet, any medicines and your dog's weight.
For a dog with IBD, this check is the best place to begin. Your vet can tell you whether a supplement makes sense at all, and which formats and ingredients are worth considering.
Why seafood matters for a dog with IBD
Several popular joint ingredients come from the sea. If your dog reacts to seafood, or your vet has asked you to avoid it, these are the ones to look for on a label.
Common marine-derived ingredients in dog joint products
| Ingredient | What it is | Worth asking your vet |
|---|---|---|
| Green-lipped mussel | A shellfish-derived ingredient, used in joint products for its omega-3 content | Is a shellfish ingredient suitable for my dog's gut and sensitivities? |
| Fish oil | A marine omega-3 source, found in some joint products | Is extra oil sensible for my dog, given the IBD and their weight? |
| Krill oil | Another marine omega-3 source, found in some products | Does this count as seafood for my dog's purposes? |
For guidance only, not a diagnosis.
Fish oil deserves a second look for another reason. It is calorie-dense, so it is worth thinking about for dogs who are overweight or close to it. For an IBD dog on a carefully controlled diet, extra oil is a conversation to have with your vet, not a decision to make alone.
A dog with IBD that reacts to seafood may need a different route entirely. Formulations differ so much that the safest approach is to read the full ingredient list and ask your vet whether a particular product is suitable.
Reading the label properly
Complementary feeds are not regulated in the same way as medicines, so it pays to look closely at what a product says it contains. There is also no universal agreement on how much of each ingredient is ideal. That makes the label, and the brand behind it, all the more important.
- Read every ingredient, not just the headline actives. Check the base ingredients and anything added for flavour or texture.
- Look for clear amounts and a brand that explains what is in the product.
- Ask where ingredients come from. The source of an ingredient is not always obvious from its name, so if you are avoiding seafood, ask the manufacturer or your vet about each one.
- Choose a brand your vet is comfortable with. Transparency about ingredients and how a product is made is a good sign, and your vet can help you judge it.
Always follow the feeding guide on the pack, and keep chews well out of reach, as a dog that eats too many may get an upset stomach.
Where MedPaw Hip & Joint Chews Max fits, and where it does not
MedPaw Hip & Joint Chews Max is a daily soft chew and a complementary feed for dogs. Its joint actives are glucosamine, chondroitin, MSM, green-lipped mussel, hyaluronic acid and Boswellia serrata. It also provides omega-3 from green-lipped mussel and flax seed, vitamins C and E, and zinc, and it is made with rapeseed oil and glycerine.
It contains green-lipped mussel, which is a shellfish-derived ingredient. If your IBD dog cannot tolerate seafood, please speak to your vet before using it. We would never suggest it suits every dog, and for some it will not be the right choice.
The feeding guide is 1 chew a day up to 4kg, 2 for 5-17kg, and 2-3 for 18kg and over. The amount is doubled for the first three weeks, and we recommend 2-3 months of daily use. For a dog with a sensitive gut, ask your vet about that doubled starting amount before you begin. Your vet may prefer a gentler introduction.
MedPaw comes with a 60-day money-back guarantee, and Subscribe & Save is available. Neither tells you whether a product will suit your dog's stomach, so the vet conversation comes first.
How other products differ
Products list quite different things, which is why reading the label matters. The details below come from each manufacturer's published information as of September 2026.
- NutraPaw Joint Support is a tablet containing glucosamine, MSM, green-lipped mussel, hyaluronic acid, turmeric and collagen, with omega-3 from the mussel and manganese. It does not list chondroitin or Boswellia, and has a 90-day guarantee.
- YuMOVE Joint Support PLUS Max is a tablet containing glucosamine, green-lipped mussel, hyaluronic acid and fish oil, with chondroitin only via the mussel, plus vitamins C and E and manganese. It has a 6-week guarantee.
- Seraquin Joint is a chewable tablet containing glucosamine, chondroitin and turmeric. It does not list mussel, fish oil or other omega-3 sources. A guarantee is not stated.
- Synoquin EFA is a tablet or capsule containing glucosamine, chondroitin and krill oil, plus vitamin C and zinc. A guarantee is not stated.
- Nutraquin+ is a capsule containing glucosamine, chondroitin and Boswellia, plus vitamin C and zinc. It does not list omega-3 sources. A guarantee is not stated.
For a seafood-sensitive dog, the useful point is that some of these list marine-derived ingredients (mussel, fish oil, krill oil) and some do not. That is not the same as saying a product is seafood-free or suitable for an IBD dog. Only the full label, and your vet, can tell you that.
Introducing anything new to a sensitive gut
With IBD, how you introduce something matters almost as much as what it is. A few simple habits make life easier and give your vet better information.
- Ask your vet about timing. Starting something new during a flare makes it hard to know what is causing what, so wait until your dog's gut is settled.
- Introduce one new thing at a time. If you change two things together, you cannot tell which one caused a reaction.
- Keep a simple diary of stools, appetite, energy and mobility, and share it with your vet.
- Follow the feeding guide, and ask your vet before using any doubled starting amount.
- Ask about medicines. An IBD dog may be on several medicines, so check with your vet that a supplement suits alongside them.
If vomiting or diarrhoea appears, or gets worse after you start something new, stop the supplement and call your vet.
Weight and everyday life come first
Whatever you decide about supplements, the most useful steps for joints tend to be the everyday ones. A healthy weight matters a great deal, because extra weight puts more strain on your dog's joints. Keeping your dog lean is one of the kindest things you can do for their comfort and mobility.
For a dog with IBD, the vet often controls the diet closely, so any chew or treat-style supplement should be part of that plan rather than an addition on top of it. Weigh your dog regularly, and adjust food and treats with your vet's guidance.
Small changes at home can make a stiff dog far more comfortable:
- Rugs or runners on wooden and laminate floors, to reduce slipping
- A ramp for the car, so there is no need to jump
- Raised feeding bowls, if your vet agrees they suit your dog
- A supportive, warm bed away from draughts
- Regular, gentle, suitable exercise rather than occasional long bursts
Being realistic about the evidence
Veterinary experts are candid that research on joint supplements is still developing, and that results vary between ingredients and products. It is sensible to be wary of any product that promises too much. Your vet can help you weigh up what is reasonable for your dog.
A supplement is best thought of as longer-term daily support rather than a quick fix. Dogs also vary a great deal from one to the next. That is why daily use over several weeks to months is typical, and why patience is part of the plan.
As for when to start, it depends on the individual dog, including their age, activity level, breed and any signs of stiffness. For a dog with IBD, your vet is the right person to decide.
When to speak to your vet
A dog with IBD and sore joints deserves a vet who knows the whole story. This guide shows how quickly to act on different signs.
How quickly to act on what you notice
Mild, gradual changes
Slower on walks, a little stiff after rest, or less keen on the car. Raise it at your next appointment and keep your diary going.
Signs that are new or worsening
Stiffness getting worse, struggling to get up, reluctance to climb stairs, weight loss, reduced appetite, unusual tiredness, or vomiting or diarrhoea that is persistent after starting a supplement (stop it and call).
Call your vet straight away
Blood in the stool, black stools, a swollen or painful tummy, sudden lameness or yelping, refusing to put weight on a leg, or facial swelling, hives, intense itching or breathing difficulty (treat as an emergency).
Joint support for a dog with IBD is possible, but it takes more care than usual. Get the diagnosis, read the whole label, ask about marine ingredients, introduce one thing at a time, and keep your vet involved at every step. The daily basics of a healthy weight, comfortable floors and sensible exercise are a supportive foundation, and a joint supplement can be one part of that routine if your vet agrees.
Can I give a joint supplement to a dog with IBD or colitis?
There is no single answer that fits every dog, so this is a decision to make with your vet. They know your dog's diet, medicines and how settled the gut is at the moment. Take the supplement label along so they can check each ingredient, and do not start, stop or change anything prescribed without their say-so.
Does MedPaw Hip & Joint Chews Max contain seafood?
Yes. It contains green-lipped mussel, which is a shellfish-derived ingredient, and it also provides omega-3 from flax seed. If your dog cannot tolerate seafood, or your vet has asked you to avoid it, please speak to your vet before using it. It will not be the right choice for every dog.
What should I check on a joint supplement label if my dog has a sensitive gut?
Read the whole ingredient list, not just the headline actives, including the base ingredients and anything added for flavour or texture. Look for any marine ingredients such as mussel, fish oil or krill oil, and ask the manufacturer where an ingredient comes from if it is unclear. Then show the label to your vet, who can judge it against your dog's IBD plan.
How should I introduce a joint supplement to a dog with IBD?
Ask your vet about timing, and avoid starting anything new during a flare, as it makes it hard to tell what is causing what. Introduce one new thing at a time and keep a simple diary of stools, appetite and mobility to share with your vet. If vomiting or diarrhoea appears or gets worse, stop the supplement and call your vet.
How many MedPaw chews would a 20kg dog have, and how long does a tub last?
The label guide for 18kg and over is 2-3 chews a day, doubled for the first three weeks. At 2 chews a day, a 60-chew tub lasts 30 days, and at 3 chews it lasts 20 days. During the doubled first three weeks, 4 to 6 chews a day would use a tub far faster, so ask your vet whether they want a gentler introduction for a dog with a sensitive gut.
Do other joint supplements contain marine ingredients too?
Some do and some do not, according to each manufacturer's published information. For example, YuMOVE Joint Support PLUS Max lists green-lipped mussel and fish oil, Synoquin EFA lists krill oil, and Seraquin Joint does not list mussel, fish oil or other omega-3 sources. That is not the same as saying a product suits an IBD dog, so the full label and your vet are the only reliable guide.
