WITHIN dog joint supplement, Advanced Joint Care Chews 120 tub with chews

Advanced Joint Care Chews For Dogs | 120

Price: £34.99

Advanced Joint Care Chews For Dogs | 120

Name: Advanced Joint Care Chews For Dogs | 120
Brand: Within
SKU: 3041074
Price: 34.99 GBP
Availability: InStock

Our Advanced Joint Care Chews are a daily dog joint supplement, formulated by our expert pet nutritionist and vet approved. Each chew combines Kynosil®, a highly bioavailable silicium, with glucosamine, chondroitin and MSM to support bone health, flexibility and movement through the joints, and help dogs stay active.

Supports Flexibility

Aids Mobility

Supports Bone Health

Daily chew guide
Dog’s weight	Daily chews
Under 10 kg	1
10 – 30 kg	2
30 – 45 kg	3
Over 45 kg	4

These amounts apply to all Within supplement chews. Always follow the recommended daily amount for your dog's weight.

Best results

Allow 4–6 weeks of consistent daily use to see optimum results. Works best as part of your dog's regular daily routine.

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1 tub £0.22 / chew Full Price 2 tubs £0.20 / chew Most popular 3+ tubs £0.19 / chew Best value

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A supplementary chew to our Food for Dogs; with Kynosil® Silicon (Silicium) which supports collagen synthesis and bone mineralisation whilst optimising skeletal strength. Contains Glucosamine & Chondroitin to help maintain joint structure and cartilage integrity. Enriched with Egg membrane & Vitamin C to support collagen synthesis and MSM for joint comfort and tissue resilience.

Chickpea Flour, Salmon Oil, Potato Starch, Glycerine, Glucosamine (5%), Chondroitin Sulphate (3.3%), Egg Membrane (source of collagen) (3.3%), Inactivated Yeast, Saccharomyces cerevisiae, 2.3%), Prebiotic MOS (2%), Prebiotic Inulin (2%), MSM (1.6%), Sunflower Lecithin, Dextrose, Xylose, Sunflower Oil, Natural Flavouring.

Nutritional Additives: Vitamin C (Ascorbic Acid) 8330 mg.
Technical Additives: Sorbic Acid, Tocopherol extracts from vegetable oils, Silicon Dioxide 1430mg.
Sensory Additives: Stevia Extract (Stevia Rebaudiana).

Analytical Constituents
Crude Protein 13.7%
Crude Fat 15.8%
Crude Fibre 4.4%
Crude Ash 3.4%
Moisture 15.8%
351 Kcal/100g – 10.5Kcal per chew

Formulated by our expert pet nutritionist and vet approved. This daily supplement contains Kynosil® a mesoporous silica to help maintain healthy bones, joints, and a vibrant coat in dogs. It’s the only solid bioactivated ingredient clinically proven to contribute to the normal function of collagen fibres involved in the connective tissue and bone health. Perfect for ageing and active dogs. Use daily as part of your dog's routine to support whole-body health and happiness.

Daily chew guide
Dog’s weight	Daily chews
Under 10 kg	1
10 – 30 kg	2
30 – 45 kg	3
Over 45 kg	4

These amounts apply to all Within supplement chews. Always follow the recommended daily amount for your dog's weight.

Best results

Allow 4–6 weeks of consistent daily use to see optimum results. Works best as part of your dog's regular daily routine.

The Secret is Within

Every ingredient earns its place. Here's what we put in and why it matters for your dog.

Chickpea Flour

Rich in plant-based protein, which supports muscle maintenance and repair, and contain…

Salmon Oil

The natural source of essential fatty acids that keep skin healthy and coat glossy. Sa…

Inactivated yeast

The cornerstone of FormulaBiotics™. Unlike live probiotics, inactivated yeast cell wal…

Egg Membrane

A natural supplement that supports joint health, reduces inflammation, and promotes sk…

Glucosamine

Glucosamine is a naturally occurring compound in a dog's cartilage and joint fluid…

Sunflower Oil

Rich in essential fatty acids, particularly linolic acid (omega-6) and oleic acid (ome…

Loved by dogs. Trusted by owners.

Discover why owners across the UK choose WITHIN for healthier, happier dogs, backed by proper science.

"Really easy to navigate, order and reorder through the website and Murphy (my 1 year old staffy) loves the food! Looking forward to trying some of the treats and other flavours of the food!"

Joel
2 Oct, 2026

"The dog food is excellent, it smells nice comes in different size packaging so no waste does not make the fridge smell and my dogs love it. It gets delivered weekly ,"

Mrs Linda O'Brien
27 Sep, 2026

"within is very easy to order you can change what you want at any time"

sharon harding
26 Sep, 2026

"Always great service & good products"

Mrs Yarwood
24 Sep, 2026

"My Yorkshire terrier skin and coat is 100% better and she loves the food"

Robert Rees
22 Sep, 2026

"My dog has been hypoallergenic to food and I have really struggled over the last year since my vet said he was overweight. The only food that suited him was royal canine hypoallergenic dry food but when I read about within I decided to try it. He absolutely loves the food and I haven’t had any problems with upset stomach. I would highly recommend it."

maureen dale
21 Sep, 2026

"My order was delivered very quickly and packed really well.
The online ordering process was very simple to navigate.
Best of all my girl is enjoying the food very much."

Kim
19 Sep, 2026

"Easy to order quick delivery, my dog is actually eating all from bowl which he wasn’t with other food tried.
Would definitely recommend and price is good to and portions different sizes."

Mrs. Theresa O'Neill
18 Sep, 2026

"Fast delivery.. first time using within.. so far so good"

Karen Johnson
18 Sep, 2026

"Highly recommended. Great food and customer service"

Sarah
12 Sep, 2026

"Quick delivery food is very good for a very reasonable price and my dog likes it hes quite old so his digestion is tricky but this food agrees with him"

Lynnette
9 Sep, 2026

"Dog loves this food she licks it clean and asks for more"

Sharon Howard
29 Aug, 2026

"Now I’ve had time to look at the product and my Dog has now tasted two of the meals. I can say that the Dog seems to enjoy it hence why I’ve ordered another four boxes and set up a two monthly supply."

Wayne Frost
29 Aug, 2026

"Dogs are loving the food. Empty bowls every time."

Padraig McCarthy
28 Aug, 2026

"Good delivery time"

Richard Anthony Cooley
25 Aug, 2026

"always good and my dog loves the food"

Joanne Sharp
25 Aug, 2026

"Excellent customer service. I will buy from this food place again as my pooch loves it.
Would recommend to anyone especially with the high meat content.
Fast delivery on orders which also helps."

Gemma
22 Aug, 2026

"New company doing well. Watch this space"

Neil
20 Aug, 2026

"Very good food which my dog loves and it's cheaper"

Kelly david
12 Aug, 2026

"I bought first time Within a few days ago only 3trays to try -my girls seem to like it (which is great as one of them is very fussy) I've ordered 36trays so will see if she will eat them all(normally she stops to eat after 1week of same food)so far so good.Thank you"

Eva Bobokova
5 Aug, 2026

"Within dog food is so good! My dog loves it. The team at Within are really helpful and efficient."

Ginnie Davis
4 Aug, 2026

"Great website, products delivered quickly. The dogs approve of the taste! Im looking forward to seeing how settle in to it."

Tom Bennett
27 Jul, 2026

"I bought this food for my spaniel because the recommended portion sizes were perfect for him. He absolutely loves the wet food, and the delivery was super fast too."

Mike Hughes
16 Jul, 2026

"A fast turn around certainly helps with orders. Next day in fact. Boxed and shipped with care and a great product that my dog loves."

Tim
16 Jul, 2026

"Very quick service"

Mrs Yarwood
25 Jul, 2026

"Super fast delivery and SUCH good dog food! My dog Poppy loves it and she can be a little fussy. I really like the fact the meat comes in recyclable trays."

Georgina
Jul 12, 2026

"My dogs love this food! Ordering was quick and simple and my order was delivered in perfect condition. Will definitely be ordering again soon!"

Jodie
13 Jul, 2026

"Swapped my dog over to Within a few weeks ago and he's absolutely loving it. Bowls are always empty and the delivery was really quick too. I've set up a subscription."

Izzy Kay
7 Jul, 2026

"Great product which all 3 of my dogs aged from 3 to 12 loved! Arrived very quickly also. Highly recommend."

Adam
6 Jul, 2026

Joints built to last.
Science built to deliver.

Powered by Kynosil® one of the first dog supplements in the UK to use this breakthrough bioactive silicium. Every chew delivers clinically meaningful levels of the ingredients that matter most for joint health, mobility and long-term comfort

Stronger Bones & Joints

Kynosil® delivers bioavailable silicium with 380x better absorption than standard silica - supporting bone density, collagen synthesis and structural joint integrity.

Supports Flexibility & Movement

150mg Glucosamine and 100mg Chondroitin per chew maintain healthy cartilage and keep joints moving freely - at every age and every stage.

Repairs & Rebuilds Connective Tissue

100mg of collagen-rich Egg Membrane targets ligaments, tendons and cartilage from the inside. Combined with MSM, it supports tissue repair and long-term resilience.

Results You'll Actually See

Vitamin C drives collagen production while MSM reduces joint discomfort. Most owners notice a real difference in their dog's mobility within 4-6 weeks.

Supports Bone Health

Supports Flexibility & Movement

Helps Dogs Remain Active

Veterinary Reviewed & Approved

Golden Retriever relaxing behind the WITHIN Advanced Joint Care supplement with heart-shaped chews in a home lifestyle image.

Joints built to last.
Science built to deliver.

Powered by Kynosil® one of the first dog supplements in the UK to use this breakthrough bioactive silicium. Every chew delivers clinically meaningful levels of the ingredients that matter most for joint health, mobility and long-term comfort

Stronger Bones & Joints

Kynosil® delivers bioavailable silicium with 380x better absorption than standard silica - supporting bone density, collagen synthesis and structural joint integrity.

Supports Flexibility & Movement

150mg Glucosamine and 100mg Chondroitin per chew maintain healthy cartilage and keep joints moving freely - at every age and every stage.

Repairs & Rebuilds Connective Tissue

100mg of collagen-rich Egg Membrane targets ligaments, tendons and cartilage from the inside. Combined with MSM, it supports tissue repair and long-term resilience.

Results You'll Actually See

Vitamin C drives collagen production while MSM reduces joint discomfort. Most owners notice a real difference in their dog's mobility within 4-6 weeks.

Supports Bone Health

Supports Flexibility & Movement

Helps Dogs Remain Active

Veterinary Reviewed & Approved

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THE PEOPLE BEHIND THE SCIENCE

Built with experts. Backed by proper science.

WITHIN isn’t built on trends or marketing claims. It’s developed alongside vets, nutritionists and formulation specialists who care about what goes into your dog’s bowl and why.

Emma Passman

Pet Nutritionist

"Every pet deserves nutrition that is thoughtfully formulated, scientifically balanced, and made with care."

Emma Passman is a qualified pet nutritionist who has worked across animal health and nutrition for over a decade. Her focus is digestive wellbeing understanding how the right ingredients, in the right combinations, support a dog's gut microbiome and long-term health. Don't just take our word for it. Here's what Emma had to say about Within."Every p…

Dr Jason Aldiss BEM BVSc MRCVS

Veterinary Public Health Specialist

"Good nutrition should never be about marketing claims. It should be about science, quality ingredients and giving people confidence they are making the right choice."

Dr Jason Aldiss BEM BVSc MRCVS is a qualified veterinary surgeon with extensive experience in canine health and clinical nutrition. Every Within recipe passes through his 11-point approval framework, covering ingredient provenance, manufacturing standards, nutritional balance and labelling, before it carries the vet approved mark. Don't just take o…

Got a question? Let’s get into it.

From FormulaBiotics™ to feeding and supplements — here’s what you need to know.

Labrador Retriever looking attentively at the camera in a home setting in a lifestyle image for WITHIN.

Kynosil® is a highly bioavailable form of mesoporous silica, with 380 times higher water solubility than standard silica. It supports collagen synthesis and bone mineralisation, helping to maintain healthy bones and joints. In WITHIN Joint Care Chews it works alongside glucosamine, chondroitin, MSM and egg membrane, a natural source of collagen. Every chew also contains FormulaBiotics™, a blend of prebiotics, postbiotics, and vitamins and minerals. All ingredients are traceable, vet approved and made in the UK.

Dosing is based on your dog's weight and must be followed as directed. Under 10kg: 1 chew per day. 10 to 30kg: 2 chews per day. 30 to 45kg: 3 chews per day. Over 45kg: 4 chews per day. Feed daily in one sitting. Allow 4 to 6 weeks to see optimum results.
Suitable for adult and senior dogs and for puppies from 12 weeks. Always refer to the on-pack feeding guide.

Yes. WITHIN supplement chews are designed as complementary products to sit alongside the WITHIN food range or your dog's existing diet. They are not a complete food. Feed the daily chew allowance separately from mealtimes or alongside food, following the on-pack dosing guidance for your dog's weight.

Yes. WITHIN Joint Care Chews have been reviewed and approved by our veterinary advisor, Dr Jason Aldiss BEM BVSc MRCVS. They're made in the UK to BRCGS-certified standards and formulated with science-backed active ingredients at effective inclusion levels.

All orders are dispatched from our UK fulfilment centre. Standard delivery takes 2 to 3 working days. Next day delivery is available at checkout. Orders placed before 11am are processed the same day. Free standard delivery is available on orders over £35.

Yes. Subscribe and save 25% on all subscription deliveries. Choose your delivery frequency at checkout and manage, pause, skip, or cancel your subscription at any time from your account area. No lock-in, no hassle.

Look for established joint ingredients at stated amounts, vet approval and a format your dog will happily eat. Each WITHIN Joint Care Chew contains 150mg glucosamine and 100mg chondroitin, alongside MSM, egg membrane and Kynosil®, a highly bioavailable silicium that supports collagen synthesis and bone mineralisation. Every chew is vet approved by Dr Jason Aldiss and made in the UK.

Yes. WITHIN Joint Care Chews are suitable for adult and senior dogs and for puppies from 12 weeks of age. Always follow the weight-based dosing on the pack.