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Ingredient file // Preservative

Sage Extract

A food antioxidant, not a dog supplement

Sage extract concentrates compounds pulled from sage leaves. Food makers use it to slow fat oxidation or add herbal flavor. A study measured less oxidation in stored poultry pâté, but the evidence does not show a health benefit for dogs eating it.

What it is
A concentrated preparation of flavor and antioxidant compounds extracted from sage leaves.
Made from
Leaves of common culinary sage
Main job
Protect fats from oxidation
Typical amount
Not published
Watch for
Do not substitute concentrated sage essential oil
Not the same as
Sage essential oil

Our read // In our catalog

In 1 of every 56 foods we track

Share of foods that list it

2%

46 of the 2,595 foods with an ingredient list on file, from 5 brands. 45 dry dog food, 1 freeze-dried dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 24. In the top five of 0 foods, so it is usually a minor ingredient.

Top five List position, heaviest first

Above the salt

0%

Usually listed after the salt, which caps it at roughly 1% of the recipe in 100% of foods.

Price per lb

Foods with it $3.23
All foods $3.23

Median of the cheapest bag price across 26 priced foods, about level with the catalog. The price is the food's, not the ingredient's.

Who leans on it

43%

of the foods that list it are from AvoDerm. 5 brands use it in total.

What it is

How it is made

Herb processors dry and mill sage leaves, then use a solvent or pressurized carbon dioxide to recover selected compounds. Removing the liquid concentrates them for use as a food additive.1,2,3

  1. 01 // Source Dried sage leaves Processors start with dried leaves of common culinary sage and mill them before extraction.
  2. 02 // Process Compounds extracted Ethanol and water recover rosmarinic acid; pressurized carbon dioxide recovers carnosic acid and carnosol.
  3. 03 // Process Liquid removed Plant solids are separated from the liquid, which is then removed to concentrate the recovered compounds.
  4. 04 // Output Sage extract The concentrated preparation reaches the food maker with a composition shaped by its extraction method.

What is in it

Composition, dry matter

120

g/kg extract

The high end for carnosic acid in laboratory carbon dioxide extracts. It describes the extract, not an amount in dog food.

Carnosic acid 0.3-120 g/kg2
Carnosol 0.5-65.5 g/kg2
Rosmarinic acid 23.4 g/kg3

The first 2 rows describe carbon dioxide extracts; the rosmarinic acid row describes a dried ethanol and water extract. These are different preparations, so the figures cannot be added into one formula.2,3

Why it is in the bag

What the manufacturer gets

  1. 01

    Slows fat oxidation

    Sage compounds interrupt reactions that make fats stale. In a poultry pâté experiment, extract reduced measured lipid oxidation during storage. Dry dog food was not tested.1

  2. 02

    Adds herbal flavor

    The FDA lists sage as a flavoring agent for human food. That supports its flavoring role, but does not show whether dogs prefer food containing sage extract.5

  3. 03

    Treats a whole batch

    A poultry pâté experiment used 2 g of concentrated extract per kilogram of food. At that scale it serves as an additive, not a meaningful nutrient source.1

How much A preservation experiment used 2 g/kg in poultry pâté; it did not determine an inclusion amount for dog food.1

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.

  1. Brands say

    Sage extract keeps fats from going stale

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    In a controlled poultry pâté experiment, extract reduced measured lipid oxidation by 32% after 28 days. That supports a food preservation role, though the experiment did not test dry dog food or its shelf life.1

  2. Brands say

    Sage extract protects your dog's cells

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    Laboratory carbon dioxide extracts quenched radicals in a chemical assay. That shows activity outside the body, not absorption or a health effect in dogs eating food with sage extract.2

  3. Brands say

    Sage extract kills harmful bacteria in the gut

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    A dried sage extract inhibited tested bacteria in laboratory broth at 1 mg/mL. The test did not feed dogs or show that sage extract reaches an effective concentration in their gut.3

  4. Critics say

    Sage extract is just filler

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    A preservation experiment used 2 g/kg of extract and measured less fat oxidation. That is a technical job, not an attempt to bulk up the food. A label does not reveal the actual dose.1,4

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    No

    Its useful job is slowing fat oxidation, not supplying bulk or protein. Ingredient lists put small additives near the end, where sage extract belongs. Judge the food's nutrition by its main ingredients.1,4

  2. Q02

    Is sage essential oil the same?

    No

    An extract made for food is different from a bottle of concentrated essential oil. The ASPCA lists the sage plant as nontoxic to dogs but warns that concentrated essential oils can harm pets.6,7

  3. Q03

    Does it help my dog directly?

    No proof

    The cited evidence measures oxidation in stored food and antioxidant activity in a laboratory assay. Neither measures a health benefit in dogs fed sage extract, so read it as a food additive.1,2

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. AvoDerm 20
  2. Health Extension 17
  3. Canidae 4
  4. Pinnacle 4
  5. Wysong 1

Usually listed with, share of the foods that list it

  1. Chicken Fat 57%
  2. Peas 54%
  3. Chicken Meal 43%
  4. Brown Rice 41%
  5. Avocado 41%
  6. Dried Tomato Pomace 39%
  7. Natural Flavor 37%
  8. Pea Flour 37%
  9. Oatmeal 35%
  10. Sweet Potatoes 33%
  11. Flax Seed 30%
  12. Dried Beet Pulp 28%

Our read // On the bag

Read it as a small preservation ingredient

Sage extract near the end of a list, beside other minor additives, is there for flavor or fat protection. Look higher up for the protein and fat sources that shape the food. Do not choose a bag for a promised antioxidant benefit to your dog.

Sources

What we read

Checked September 1, 2026.

  1. 1 Antioxidant Properties of Lyophilized Rosemary and Sage Extracts and its Effect to Prevent Lipid Oxidation in Poultry Pátê Molecules, 2020 // Journal
  2. 2 Extraction of Carnosic Acid and Carnosol from Sage (Salvia officinalis L.) Leaves by Supercritical Fluid Extraction and Their Antioxidant and Antibacterial Activity Plants, 2019 // Journal
  3. 3 Promising Preserving Agents from Sage and Basil: A Case Study with Yogurts Foods, 2021 // Journal
  4. 4 What’s in the Ingredients List? AAFCO, n.d. // Regulator
  5. 5 Substances Added to Food: Sage (Salvia officinalis L.) U.S. Food and Drug Administration, n.d. // Government
  6. 6 Sage ASPCA Animal Poison Control, n.d. // Nonprofit
  7. 7 The Essentials of Essential Oils Around Pets ASPCA Animal Poison Control, 2022 // Nonprofit
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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