Mannan-oligosaccharides (MOS)

Ingredient record found in evidence.pet/ product ingredient information. Source products linked; evidence review pending.

Ingredient Directory / Ingredient record

Ingredient record

Mannan-oligosaccharides (MOS)

“Mannan-oligosaccharides (MOS)” appears in the ingredient information of at least one indexed pet food. Preparation, inclusion amount and the rest of the formulation can differ between products.

Functional ingredientsNamed ingredientDog FishEvidence review pending

How to read this entry

We classify this term as named ingredient in the functional ingredients category. The linked products supply the observation; they do not by themselves establish the ingredient’s nutritional effect.

Check the declared form and amount, and whether any claim concerns this ingredient alone or a tested complete product.

Evidence status

This is an ingredient index entry linked to product information. We have not completed an ingredient-specific research appraisal for this entry. A term’s presence in a product does not demonstrate a health outcome, nutritional adequacy or the effect of that product.

Source and review

Product ingredient sections checked 24 September 2026. The linked product records show the wording and available source context. Manufacturer formulations and labels may change; verify the current pack and the intended market.

Research on this ingredient

Dog

FOS and MOS in dogs: digestion, microbes and immune markers

One study with 1 reviewed arm or dose connection(s).

Arm mos-supplement

FOS and MOS in dogs: digestion, microbes and immune markers

Direct · dog. Four adult female dogs with ileal cannulas; 14-day periods.

Tested form: MOS supplied at 1 g per feeding, twice daily. Dose: 1 g per feeding, twice daily (Oral feeding supplement). Duration: 14-day periods. Comparator: The same kibble without these supplements.

Measured finding: MOS changed some immune and microbial measures; several reported effects were only trends. Combined FOS/MOS increased ileal IgA versus control.

Limitations: Very small, surgically instrumented population; short periods and multiple surrogate outcomes. Related papers may share experiments.

Abstract reviewed · Checked 25 September 2026 · Evidence.pet study summary · Primary source

Products listing or mentioning this ingredient

91 products linked through reviewed ingredient occurrences from manufacturer declarations or partial editorial summaries. Whole-label verification may remain pending. An ingredient’s presence alone does not establish a nutritional outcome.

  • Lamb Tagine Premium Dinner for Dogs Lamb Tagine Premium Dinner for Dogs - Lamb Tagine Premium Dinner for Dogs; United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • McAdams Awards Bedtime Free Range Turkey McAdams Awards Bedtime Free Range Turkey - Awards Bedtime Free Range Turkey (UK); UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • McAdams Awards Best Behaviour Free Range Turkey McAdams Awards Best Behaviour Free Range Turkey - Awards Best Behaviour Free Range Turkey (UK); UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • McAdams Awards Free Range Roast Turkey McAdams Awards Free Range Roast Turkey - Awards Free Range Roast Turkey (UK); UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • McAdams Awards Fresh Breath Free Range Turkey McAdams Awards Fresh Breath Free Range Turkey - Awards Fresh Breath Free Range Turkey (UK); UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • McAdams Cats & Kittens Free Range Chicken & Turkey McAdams Cats & Kittens Free Range Chicken & Turkey - Cats & Kittens Free Range Chicken & Turkey (UK); UK; partial summary Cat; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Natures Menu 80% Beef Nuggets Natures Menu 80% Beef Nuggets, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Natures Menu 80% Duck and Chicken Nuggets Natures Menu 80% Duck and Chicken Nuggets, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Natures Menu 80% Goose and Turkey Nuggets Natures Menu 80% Goose and Turkey Nuggets, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Natures Menu 80% Lamb Nuggets Natures Menu 80% Lamb Nuggets, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Natures Menu 80% Salmon and Chicken Nuggets Natures Menu 80% Salmon and Chicken Nuggets, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Natures Menu 80% Turkey Nuggets Natures Menu 80% Turkey Nuggets, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pero Foods High Meat - Pork & Sweet Potato with Apple Pero Foods High Meat - Pork & Sweet Potato with Apple - Pero Foods High Meat - Pork & Sweet Potato with Apple; United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Crunch Chicken with Sweet Potato, Carrots & Peas Pure Pet Food Crunch Chicken with Sweet Potato, Carrots & Peas - Crunch Chicken with Sweet Potato, Carrots & Peas UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Crunch Game with a Trio of Veg and Sweet Blueberries Pure Pet Food Crunch Game with a Trio of Veg and Sweet Blueberries - Crunch Game with a Trio of Veg and Sweet Blueberries UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Crunch Turkey with Sweet Potato, Spinach & Strawberries Pure Pet Food Crunch Turkey with Sweet Potato, Spinach & Strawberries - Crunch Turkey with Sweet Potato, Spinach & Strawberries UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Lamb Pure Pet Food Lamb - Lamb UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Sensitive Chicken Pure Pet Food Sensitive Chicken - Sensitive Chicken UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Sensitive Game Pure Pet Food Sensitive Game - Sensitive Game UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Sensitive Salmon Pure Pet Food Sensitive Salmon - Sensitive Salmon UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pure Pet Food Sensitive Turkey Pure Pet Food Sensitive Turkey - Sensitive Turkey UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Rest Up Recipe for Dogs (400g) Rest Up Recipe for Dogs (400g) - Rest Up Recipe for Dogs (400g); United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Salmon Medley Premium Dinner for Dogs Salmon Medley Premium Dinner for Dogs - Salmon Medley Premium Dinner for Dogs; United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Senior Recipe Wet Food for Older Dogs (400g) Senior Recipe Wet Food for Older Dogs (400g) - Senior Recipe Wet Food for Older Dogs (400g); United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Betta Granules Sera Betta Granules, editorial ingredient summary 2026-09-24; ; partial summary Bettas, Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Flora Flakes Sera Flora Flakes, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Immune Probiotic Granules Sera Immune Probiotic Granules, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Insect Granules Sera Insect Granules, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Plankton Color Tabs Sera Plankton Color Tabs, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera San Color Flakes Sera San Color Flakes, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera San Color Granules Sera San Color Granules, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Vipachips Wafers Sera Vipachips Wafers, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Vipagran Granules Sera Vipagran Granules, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Sera Vipan Flakes Sera Vipan Flakes, editorial ingredient summary 2026-09-24; ; partial summary Fish; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Skipper's Ocean Puppy Grain Free Complete Food Skipper's Ocean Puppy Grain Free Complete Food - Ocean Puppy Grain Free Complete Food; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Steak & Kidney Premium Dinner for Dogs Steak & Kidney Premium Dinner for Dogs - Steak & Kidney Premium Dinner for Dogs; United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Super Boost Topper Super Boost Topper - Super Boost Topper; United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Turkey Feast Premium Dinner for Dogs Turkey Feast Premium Dinner for Dogs - Turkey Feast Premium Dinner for Dogs; United Kingdom; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Yora Pate Apple & Parsnip Yora Pate Apple & Parsnip - Pate Apple & Parsnip UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Yora Pate Beetroot & Swede Yora Pate Beetroot & Swede - Pate Beetroot & Swede UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Yora Pate Carrot & Potato Yora Pate Carrot & Potato - Pate Carrot & Potato UK formulation; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
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