WITHIN probiotics for dogs, Advanced Probiotic Chews 120 tub with chews

Advanced Probiotic Chews For Dogs | 120

Price: £29.99

Advanced Probiotic Chews For Dogs | 120

Name: Advanced Probiotic Chews For Dogs | 120
Brand: Within
SKU: 3041072
Price: 29.99 GBP
Availability: InStock

Our Advanced Probiotic Chews are daily probiotics for dogs, formulated by our expert pet nutritionist and vet approved. These probiotic chews for dogs combine two live strains, Bacillus velezensis and Enterococcus faecium, with Yucca Root to support healthy digestion, a balanced gut microbiome and healthy stools.

Supports a Balanced Microbiome

Aids Healthy Digestion

Promotes Healthy Stools

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 £0.19 / chew Full Price 2 tubs £0.17 / chew Most popular 3+ tubs £0.16 / chew Best value

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A supplementary chew formulated to complement our food for dogs; with Yucca Root to support digestion and stool odour, plus scientifically backed Bacillus Velezensis and Enterococcus Faecium to help support a healthy gut microbiome and digestive wellbeing.

Chickpea Flour, Potato Starch, Glycerine, Rapeseed Oil, Inactivated Yeast, (Saccharomyces cerevisiae), Yucca Root (3.33%), Hydrolysed Chicken Liver, Sunflower Lecithin, Dextrose, Xylose.

Zootechnical Additives: Bacillus Velezensis DSM 15544 1.60 x 1011 CFU, Enterococcus
faecium DSM 10663, 1.75 x 1011 CFU.

Nutritional Additives: Vitamin C (Ascorbic Acid) 833 mg.

Technological Additives: Sorbic Acid, Tocopherol
extracts from vegetable oils.

Sensory Additives: Stevia rebaudiana Stevia
Extract.

Analytical Constituents:

Crude Protein 13.6%

Crude Fat 11.8%

Crude Fibre 0.7%

Crude Ash 2.8%

Moisture 15.8%

362 Kcal/100g – 10.9 Kcal per chew

Formulated by our expert pet nutritionist and vet approved. This daily probiotic supplement is designed to support healthy digestion and a balanced gut microbiome whilst easing digestive discomfort and supporting stool quality. Use daily as part of your dog’s routine to support digestive wellbeing, 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.

Inactivated Yeast

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

Yucca Root

Helps support healthy digestion and gut wellbeing, whilst also helping to naturally re…

Chickpea Flour

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

Potato Starch

A gentle source of fibre that helps support healthy digestion and a balanced gut envir…

Rapeseed Oil

Provides a source of healthy omega fatty acids to support skin, coat and overall wellb…

Gylcerine

Helps retain moisture and maintain softness for a chewy, enjoyable texture.

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

A Healthier Gut.
A Happier Dog.

Introducing our Advanced Probiotic Chews - formulated with scientifically backed Bacillus velezensis, Enterococcus faecium and Yucca Root to support digestive health, stool quality and microbiome balance, whilst also helping support immunity and overall wellbeing.

Scientifically Backed Probiotic Support

Our advanced Probiotic Chews - formulated with scientifically backed Bacillus velezensis and Enterococcus faecium to help support beneficial gut bacteria, digestive comfort and overall gut health .

Yucca Root for Digestive Wellbeing

Each chew contains 100mg of Yucca Root, traditionally used to help support digestion while also helping reduce stool odour.

Helps Maintain a Balanced Microbiome

Formulated with beneficial probiotics to help encourage a healthy and balanced gut microbiome for optimal digestive function and daily wellbeing.

Everyday Support for Happy, Healthy Dogs

Designed to be fed daily as part of your dog's routine, these chews help support digestive wellbeing, stool consistency and overall daily wellness.

Supports a Balanced Microbiome

Aids Healthy Digestion and Nutrient Absorption

Promotes Healthy Stools

Veterinary Reviewed & Approved

WITHIN Advanced Probiotic supplement with heart-shaped chews and an Australian Shepherd in a home lifestyle image.

A Healthier Gut.
A Happier Dog.

Introducing our Advanced Probiotic Chews - formulated with scientifically backed Bacillus velezensis, Enterococcus faecium and Yucca Root to support digestive health, stool quality and microbiome balance, whilst also helping support immunity and overall wellbeing.

Scientifically Backed Probiotic Support

Our advanced Probiotic Chews - formulated with scientifically backed Bacillus velezensis and Enterococcus faecium to help support beneficial gut bacteria, digestive comfort and overall gut health .

Yucca Root for Digestive Wellbeing

Each chew contains 100mg of Yucca Root, traditionally used to help support digestion while also helping reduce stool odour.

Helps Maintain a Balanced Microbiome

Formulated with beneficial probiotics to help encourage a healthy and balanced gut microbiome for optimal digestive function and daily wellbeing.

Everyday Support for Happy, Healthy Dogs

Designed to be fed daily as part of your dog's routine, these chews help support digestive wellbeing, stool consistency and overall daily wellness.

Supports a Balanced Microbiome

Aids Healthy Digestion and Nutrient Absorption

Promotes Healthy Stools

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.

Look for named probiotic strains with a stated count, a format your dog will happily eat, and vet approval. WITHIN Probiotic Chews contain two named live strains, Bacillus velezensis and Enterococcus faecium, alongside Yucca Root and inactivated yeast. Every chew is vet approved by Dr Jason Aldiss 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 Probiotic 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.

Yes, from 12 weeks of age. WITHIN Probiotic Chews are suitable for puppies over 12 weeks, making them a simple way to add puppy probiotics to your dog's daily routine. Always follow the weight-based dosing on the pack.