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Ingredient file // Ingredient

Dried Enterococcus Faecium Fermentation Product

The dried product of fermenting with Enterococcus faecium, including the culture medium.

Our read // In our catalog

In 1 of every 4 foods we track

Share of foods that list it

22%

506 of the 2,250 foods we track, from 23 brands. 502 dry dog food, 3 dog food topper.

Each square is 1% of the catalog

Where it sits on the label

Median position 37. In the top five of 0 foods, so it is usually a minor ingredient.

Top five List position, heaviest first

Above the salt

1%

Usually listed after the salt, which caps it at roughly 1% of the recipe in 99% of foods.

Price per lb

Foods with it $3.07
All foods $3.24

Median of the cheapest bag price across 372 priced foods, 5% below the catalog. The price is the food's, not the ingredient's.

Who leans on it

20%

of the foods that list it are from Blue. 23 brands use it in total.

What it is

Why it turns up in dog food

  • Supplies beneficial bacteria that support gut balance and stool consistency.

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Blue 101
  2. Wellness 64
  3. NutriSource 49
  4. Diamond 27
  5. Nature's Logic 24
  6. Horizon 22
  7. Earthborn Holistic 22
  8. Instinct 19
  9. Go! Solutions 18
  10. Merrick 18

Plus 13 more brands.

Amazon best sellers that list it

  1. #1 Blue Life Protection Formula Adult Chicken and Brown Rice Recipe Dry Dog Food
  2. #7 Blue Life Protection Formula Adult Small Breed Chicken and Brown Rice Recipe Dry Dog Food
  3. #10 Diamond Naturals Skin & Coat Formula All Life Stages Salmon & Potato Formula Dry Dog Food
  4. #17 Taste of the Wild High Prairie Canine Recipe with Roasted Bison & Roasted Venison Dry Dog Food
  5. #27 Blue Life Protection Formula Senior Chicken and Brown Rice Recipe Dry Dog Food
  6. #30 Blue Life Protection Formula Puppy Chicken and Brown Rice Recipe Dry Dog Food
  7. #39 Blue Life Protection Formula Small Breed Senior Chicken and Brown Rice Recipe Dry Dog Food
  8. #44 Blue Wilderness Adult Chicken plus Grains Recipe Dry Dog Food

Rank on Amazon's dog food best seller list, checked October 2026.

Usually listed with, share of the foods that list it

  1. Peas 56%
  2. Chicken Fat 55%
  3. Chicken Meal 49%
  4. Flaxseed 45%
  5. Natural Flavor 36%
  6. Oatmeal 34%
  7. Chicken 32%
  8. Brown Rice 29%
  9. Turkey Meal 24%
  10. Dried Plain Beet Pulp 24%
  11. Barley 23%
  12. Potatoes 22%
An ingredient on its own tells you very little. What matters is how much of it there is and where it sits in the list. That is why we weigh the top five rather than reacting to any single name further down. Back to the wiki

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