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Prebiotic Probiotic Postbiotic Powder for Dogs – Gut Health Supplement 250g

  • Triple-action gut health support formula
  • Helps balance digestion & stool quality
  • Supports immunity & nutrient absorption

Mr Barnaby’s prebiotic, probiotic & postbiotic powder for dogs is a natural gut health supplement designed to support digestion, immunity, and overall wellbeing. This easy daily powder helps balance gut bacteria and improve stool quality. Suitable for all breeds, especially dogs with sensitive stomachs or digestive upset.

If you’re looking for simple, natural supplements your dog will love, then buying our Pre, Pro & Post Biotic Powder is the right choice.

Nutritional Information

Typical values Per 250g

Crude Protein, 13%
Crude Fat, 4%
Crude Fibre, 3%
Crude Ash, 24%

Ingredients

Yeast Products (mannan-oligosaccharides (MOS) beta-glucans and postbiotics from Saccharomyces cerevisiae)
Fructo-oligosaccharides (FOS)
Chicory Root (Inulin)
Sodium Bicarbonate
Calcium Sulphate

Feed Additives per kg:
Bacillus Subtilis C-3102 (4b1820) 15 x 10¹⁰
Cells of Tyndallised Bacteria Tyndallised Lactobacillus acidophilus HA-122 150 x 10⁹ cells/g
Cells of Tyndallised Bacteria Tyndallised Lacticaseibacillus paracasei HA-108 105 x 10⁹ cells/g
Technological:
Bentonite (1m558i) 35000mg
 

Shipping & Returns

Order Processing

We aim to process orders within 24 hours, Monday to Friday. Orders placed over the weekend will be processed on Monday. Once your order is on its way, we’ll send you an email to let you know.

UK Mainland Shipping

Orders are usually dispatched within 24 hours and sent using Yodel 3 Business Days or Royal Mail Tracked 48.

Shipping rates for UK Mainland are:

  • Yodel 3 Business Days: £2.59
  • Royal Mail Tracked 48: £3.95

Free UK 3 Day Tracked Delivery on orders over £39.99.

Returns

If something isn’t quite right, you have 14 days from delivery to request a return. Items must be unopened and in their original packaging. Simply email hello@mrbarnabys.co.uk and we’ll guide you through the next steps.
 

24/7 Support

Got a question or some feedback?

We’d love to hear from you. Get in touch and we’ll do our best to help. We aim to reply as soon as we can during normal business hours.

Email: hello@mrbarnabys.co.uk

Phone: 01245 202540

Contact Form

★★★★★ ✔ Verified
“My dog had ongoing digestive issues and this natural dog gut health supplement made a real difference. His stools are more consistent and he seems much happier overall. Easy to use and part of our daily routine now.”

Laura Hemming

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  • Supports Healthy Digestion

    Helps maintain balanced gut bacteria for smoother, healthier digestion every day.

  • Everyday Immune Support

    Supports your dog’s natural immune system through better gut health balance.

  • Helps Improve Stool Quality

    Designed to support firmer, more consistent stools and digestive comfort.

  • Easy Daily Gut Support

    Simply sprinkle onto food for stress-free digestive support with every meal.

Pre, Pro & Post Biotic Powder, made simple.

Giving you peace of mind, knowing your dog is living a happier and healthier life.

Product Information

Mr Barnaby’s prebiotic, probiotic & postbiotic powder for dogs is a natural gut health supplement designed to support digestion, immunity, and overall wellbeing. This easy daily powder helps balance gut bacteria and improve stool quality. Suitable for all breeds, especially dogs with sensitive stomachs or digestive upset.

Feeding Guide

Introduce this supplement gradually over 3–5 days by mixing into food. Use once daily. Always provide fresh drinking water alongside.

Daily:

Dogs up to 10 kg 1/2 teaspoon (lasts 120 days)

Dogs 10 – 40 kg 1 teaspoon (lasts 60 days)

Dogs over 40 kg 1 1/2 teaspoon (lasts 33 days)

Simple Reasons Owners Choose This

  • Triple-action pre, pro & postbiotics
  • Supports healthy gut microbiome balance
  • Helps reduce digestive upset naturally
  • Improves stool consistency & digestion
  • Easy daily sprinkle-on powder

Ideal For

  • Dogs with sensitive stomachs
  • Digestive upset or irregular stools
  • Supporting long-term gut health
  • Dogs needing immune support
  • Daily wellness routines

We take the worry out of feeding your dog.

Choosing what to feed your dog can be overwhelming, confusing and tiring. We understand.

Mr Barnaby's is here to support you and help remove the worry when choosing what your dog needs nutritionally because feeding your dog shouldn't feel like a weight on your shoulders.

Click here to find out how

Real stories from happy dogs (and their humans)

  • ✔ Verified on Trustpilot

    "Absolutely fantastic treats, our cocker spaniel loves them. We opened a couple of packs and mixed them and he is as happy as Larry"

    Isabella Lindsay

  • ✔ Verified on Trustpilot

    "Very pleased with my dog treats,it's nice to be able to treats that are kind to your dogs digestive system, my wee dog loves them, easy to order and fast delivery"

    Donna Clark

  • ✔ Verified on Trustpilot

    "Speedy service. My Westie loves the Salmon treats but not the chicken liver but the Westie we look after loves the liver ones."

    Jean Smith

  • ✔ Verified on Trustpilot

    "These are the best dog treats! My terriers were very impressed"

    Alex & Mark

  • ✔ Verified on Trustpilot

    "My dog wouldn’t eat them, but he’s always been a very picky eater, so I gave them to my friends dog and she’s enjoying them so Thanks"

    Linda Hill

  • ✔ Verified on Trustpilot

    "My dog went crazy for these treats. Nice packaging and promptly despatched"

    Lia

  • ✔ Verified on Trustpilot

    "My rescue dog loves all of them.
    Great for training"

    Linda Pay

  • ✔ Verified on Trustpilot

    "We ordered several flavours and Mara thought all were delicious great for snacks training and distraction"

    Diane Wilson

Frequently Asked Questions

Why do gut health supplements matter?

A healthy gut is essential for your dog’s overall wellbeing. Prebiotic probiotic postbiotic powders for dogs help support beneficial gut bacteria, improve digestion, and strengthen immune function. Prebiotics feed good bacteria, probiotics add beneficial organisms, and postbiotics support gut lining health. This natural dog gut health supplement is ideal for daily digestive balance and long-term wellness.

What is a prebiotic probiotic postbiotic powder for dogs?

It is a dog gut health supplement that combines three types of support to improve digestion, gut balance, and immune health.

Are probiotic powders good for dogs?

Yes, probiotic powders for dogs help support healthy gut bacteria and can improve digestion and stool consistency.

What does a prebiotic do for dogs?

Prebiotics feed beneficial gut bacteria, helping maintain a balanced digestive system and better overall gut health.

Can I give my dog this supplement every day?

Yes, this natural gut health powder for dogs is designed for daily use as part of a balanced diet.

Does this help dogs with sensitive stomachs?

Yes, digestive health supplements for dogs can help support dogs with sensitive stomachs by promoting gut balance.

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Simple choices. Real peace of mind.

When you feel confident in what you’re feeding, you can stop worrying and simply enjoy life with your dog.

If you’re still guessing, you don’t have to, we’re here to help you feel sure.

Make it simple for me