Ingredient file // Other
Dried Pineapple Extract
An enzyme label claim, not a digestive aid
Dried pineapple extract is a powder made from pineapple juice or stems, sold for bromelain, an enzyme that splits protein. In kibble it does little anyone has measured: heat destroys bromelain, and no dog trial has tested it in a cooked food.
- What it is
- A dried powder from pineapple juice or stems, sold mainly for its protein-splitting enzyme, bromelain.
- Made from
- Pineapple juice, stems and processing leftovers
- Main job
- Enzyme source for label claims
- Typical amount
- Not published
- Watch for
- Enzyme claims on a kibble cooked past bromelain's heat limit
- Not the same as
- Dried pineapple fruit
Our read // In our catalog
In 1 of every 433 foods we track
Share of foods that list it
0%
6 of the 2,595 foods with an ingredient list on file, from 1 brand. All dry dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 31.5. In the top five of 0 foods, so it is usually a minor ingredient.
Price per lb
Median of the cheapest bag price across 3 priced foods, 24% above the catalog. The price is the food's, not the ingredient's.
Who leans on it
100%
of the foods that list it are from Nature's Logic. 1 brand use it in total.
What it is
How it is made
Pineapple canneries throw away peel, cores, crowns and stems, about 30 to 35% of the fruit's weight. The stem holds the most bromelain and has no food use, so it is a cheap place to extract the enzyme.1,2,3
- 01 // Source Stems and juice Pineapple stems are a waste product of the fruit industry and carry more bromelain than the fruit.
- 02 // Process Juiced and kept cool Juice is kept cool because fruit bromelain loses about 17% of its activity in an hour at 50°C.
- 03 // Process Spun and filtered The cooled juice is centrifuged and ultrafiltered to concentrate the enzyme.
- 04 // Process Freeze-dried Lyophilization, or freeze-drying, turns the concentrate into powder without the heat that would destroy the enzyme.
- 05 // Output Yellowish powder A powder graded by enzyme activity, in units such as gelatin digestion units, not by its nutrient content.
What is in it
Composition, dry matter
40-75
% sugars
Sugar share of pineapple processing waste, the raw material. No analysis of the extract itself is published, and in a food its job is the enzyme, not nutrients.
Why it is in the bag
What the manufacturer gets
-
01
Puts an enzyme on the label
FDA lists bromelain as a food enzyme used to split proteins. Adding the extract lets a bag mention a digestive enzyme, whether or not any survives cooking.3,4
-
02
Made from cheap waste
Stems have no food market, and processing leftovers make up 30 to 35% of the fruit, so the enzyme comes from material that would otherwise be discarded.1,2
How much No source publishes a kibble inclusion rate; the only dog feeding trial gave bromelain inside a three-part powder added to food for 28 days.5
Our read // The claims
What the evidence supports
Strong: controlled studies in dogs agree. Some: small or mixed dog data. Thin: mechanism or lab work only. None: nothing, or the evidence points the other way.
-
Brands say
Bromelain helps dogs digest their protein
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Bromelain does split protein, which is why FDA lists it as a food enzyme. Fruit bromelain lost almost all activity after 8 minutes at 80°C, kibble is cooked hotter, and no dog trial has measured better digestion.3,4
-
Brands say
Pineapple enzymes calm inflammation and help joints
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
The dog evidence is a lab dish study: canine cartilage cells treated with bromelain showed lower cell death and shifts in cartilage-related genes. In people the support is mostly about wisdom tooth surgery. No dog feeding trial tests joints.6,8
-
Brands say
Bromelain supports a healthy gut
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
One 28-day trial in 30 kennel dogs saw lower fecal calprotectin and cortisol, but bromelain was mixed with quercetin and shiitake mushroom and fed as a supplement. Nothing isolates bromelain or tests it in kibble.5
-
Owners say
Pineapple stops dogs from eating poop
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
No study has tested pineapple for this. In a survey of 1,475 owners of poop-eating dogs, 11 commercial deterrent products worked 0 to 2% of the time, and the habit showed no link to diet.7
Straight answers
What owners ask
-
Q01
Is it just filler?
No, a label itemFiller adds bulk, and this is not a bulk ingredient. It is there to supply bromelain, a protein-splitting enzyme, and whether that enzyme still works after the kibble is cooked is doubtful.3,4
-
Q02
Does the enzyme survive kibble cooking?
UnlikelyFruit bromelain kept full activity at 40°C but lost almost all of it after 8 minutes at 80°C. Unless the extract goes on after cooking, little active enzyme should reach the bowl.3
-
Q03
Is pineapple safe for dogs?
Yes, in moderationRipe pineapple is a fine treat in small amounts. The real hazards are the tough core and spiny skin, which can block the gut, and a dried extract contains neither.9
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Usually listed with, share of the foods that list it
- Yeast Culture 100%
- Pumpkin Seeds 100%
- Tapioca Root 67%
- Montmorillonite Clay 67%
- Dehydrated Kale 50%
- Dried Kelp 50%
- Spray Dried Porcine Plasma 50%
- Duck Meal 33%
- Turkey Meal 33%
- Spray Dried Chicken Liver 33%
- Pork Fat 33%
- Menhaden Fish Meal 33%
Our read // On the bag
Ignore the enzyme claim and judge the rest
Dried pineapple extract usually sits near the end of a list among supplement-style extras, which tells you it adds little by weight. Read past it to the proteins and fats at the top, and do not pay more for a digestive enzyme claim on a cooked kibble.
Sources
What we read
Checked October 1, 2026.
- 1 Properties and therapeutic application of bromelain: a review
- 2 Pineapple by-products
- 3 Effect of Temperature on the Stability of Fruit Bromelain from Smooth Cayenne Pineapple
- 4 21 CFR 184.1024 Bromelain
- 5 A Supplement with Bromelain, Lentinula edodes, and Quercetin: Antioxidant Capacity and Effects on Morphofunctional and Fecal Parameters (Calprotectin, Cortisol, and Intestinal Fermentation Products) in Kennel Dogs
- 6 Effects of bromelain on cellular characteristics and expression of selected genes in canine in vitro chondrocyte culture
- 7 The paradox of canine conspecific coprophagy
- 8 Bromelain
- 9 Can Dogs Eat Pineapple?