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Ingredient file // Ingredient

Dried Lactobacillus Acidophilus Fermentation Product

The dried product of fermenting with Lactobacillus acidophilus, including the culture medium.

Our read // In our catalog

In 1 of every 4 foods we track

Share of foods that list it

28%

622 of the 2,250 foods we track, from 35 brands. 602 dry dog food, 13 frozen dog food, 5 dog food topper.

Each square is 1% of the catalog

Where it sits on the label

Median position 36. 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 $3.19
All foods $3.24

Median of the cheapest bag price across 470 priced foods, about level with the catalog. The price is the food's, not the ingredient's.

Who leans on it

16%

of the foods that list it are from Blue. 35 brands use it in total.

What it is

Why it turns up in dog food

  • Supplies beneficial bacteria and their fermentation compounds, which support digestive balance and stool quality.

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Blue 101
  2. Stella & Chewy's 54
  3. NutriSource 49
  4. Fromm 30
  5. Diamond 27
  6. Nature's Logic 24
  7. Horizon 22
  8. Earthborn Holistic 22
  9. Instinct 19
  10. Bil-Jac 19

Plus 25 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. #40 Stella & Chewy’s Marie’s Magical Dinner Dust Grass-Fed Beef Recipe Freeze-Dried Raw Dog Food Topper

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

Usually listed with, share of the foods that list it

  1. Chicken Fat 47%
  2. Peas 46%
  3. Chicken Meal 43%
  4. Flaxseed 36%
  5. Chicken 32%
  6. Oatmeal 32%
  7. Natural Flavor 29%
  8. Brown Rice 27%
  9. Potatoes 21%
  10. Turkey Meal 19%
  11. Barley 18%
  12. Pea Protein 16%
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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