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Ingredient file // Vitamin or mineral

Zinc Polysaccharide Complex

Useful zinc, with limited extra benefits

Zinc polysaccharide complex combines zinc with carbohydrate chains to supply dietary zinc. A small dog trial found less zinc lost in feces than with zinc oxide, not proof of better absorption, and the complex does not promise a shinier coat.

What it is
A feed ingredient made by combining a soluble zinc salt with polysaccharides to supply dietary zinc.
Made from
A soluble zinc salt and polysaccharides
Main job
Supplies dietary zinc
Typical amount
Not published; a trial added 50 mg zinc per kg food
Watch for
Adding zinc supplements to complete food
Not the same as
Zinc amino acid chelate

Straight answer

Is Zinc Polysaccharide Complex safe for dogs?

Read it as zinc, then check the food

Expect this small mineral addition near the end of the ingredient list. It tells you one source of zinc, not the finished food's total. Check the nutritional adequacy statement for your dog's life stage. Treat coat and immunity promises tied to this particular complex skeptically.

Why it is in the food
Supplies dietary zinc

Our read // In our catalog

In 1 of every 214 foods we track

Share of foods that list it

<1%

15 of the 3,204 foods with an ingredient list on file, from 2 brands. All dry dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 57. In the top five of 0 foods, so it is usually a minor ingredient.

Top five List position, heaviest first

Price per lb

Foods with it $3.33
All foods $3.25

Median of the cheapest bag price across 15 priced foods, about level with the catalog. The price is the food's, not the ingredient's.

Who leans on it

93%

of the foods that list it are from Health Extension. 2 brands use it in total.

What it is

How it is made

Mineral ingredient makers combine a soluble zinc salt with polysaccharides to make a concentrated zinc source for feed. It is purpose-made for mineral additions, not a leftover from food processing. Suppliers sell it as a powder.1,4,5,6

  1. 01 // Source Salt and carbohydrate A soluble zinc salt supplies the mineral, and a polysaccharide solution supplies carbohydrate chains.
  2. 02 // Process Complexed together The salt and polysaccharides are combined to form the named mineral complex.
  3. 03 // Process Prepared for blending A supplier sells the concentrated complex as a free-flowing powder for feed production.
  4. 04 // Output Zinc complex powder The powder goes into a mineral premix, which helps distribute small mineral additions through food.

What is in it

Composition, as fed

65

% ash

One supplier's nominal composition for the product as sold is mostly ash. Zinc sits within that mineral fraction, not on top of it.

Ash 65%5
Nitrogen free extract 35%5
Zinc (minimum) 22%5
Crude fiber 0-1%5

These are one supplier's nominal specifications for the powder as sold, not measured ranges, and the sheet states no moisture or basis. The complex used in the dog trial held less zinc, 16.7%.1,5

Why it is in the bag

What the manufacturer gets

  1. 01

    Meets zinc targets

    Zinc is required in complete dog food. This concentrate gives formulators a measured source to add toward the food's total zinc target.3,5

  2. 02

    Fits bulk premixes

    The supplier sells powder in bulk bags. Premixes combine small mineral additions into one blend, improving weighing accuracy and distribution through production batches.5,6

  3. 03

    Offers another zinc form

    A small dog trial found differences between zinc sources. That gives formulators a reason to compare this complex with zinc oxide, without showing it is the best source.1

How much A dog trial added 50 mg zinc per kg of food from this complex; a usual commercial inclusion rate is not published.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

    Supplies zinc dogs need

    Evidence

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

    AAFCO's adult maintenance profile specifies at least 80 mg zinc per kg of food dry matter. This complex supplies zinc toward that total. Its name alone does not reveal the finished food's zinc content.3,5

  2. Brands say

    Absorbs better than zinc oxide

    Outruns the evidence

    Evidence

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

    In a trial of 4 Beagles, this complex lost less zinc in feces than zinc oxide did, a fecal measure, not direct proof of absorption. An amino acid chelate did best on hair zinc and growth. One small industry-linked trial does not prove an edge.1

  3. Brands say

    Makes a healthy dog's coat shinier

    Outruns the evidence

    Evidence

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

    A dog study found better coat gloss after 9 weeks of zinc combined with linoleic acid, but it did not test this complex. The complex trial measured hair growth and zinc, not visible shine.1,2

  4. Brands say

    Boosts your dog's immune defenses

    Outruns the evidence

    Evidence

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

    Zinc is needed for normal immune function. The 4-Beagle complex trial measured zinc excretion and hair outcomes, not immune responses. It does not show an immune boost in a dog already getting enough zinc.1,7

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    No

    It supplies an essential trace mineral. The carbohydrate is part of a small mineral addition, not a meaningful fiber serving. Use the nutritional adequacy statement to judge the complete food, rather than this ingredient line.3,4,8

  2. Q02

    Is it zinc sulfate?

    No

    The dog trial used zinc sulfate combined with modified brewer's wort. Zinc sulfate listed alone is a different ingredient, although both supply zinc. The polysaccharide name tells you how this source is made.1,4

  3. Q03

    Does more zinc mean better food?

    No

    A complete food needs enough zinc for its life stage. Extra zinc does not guarantee a better coat, and excessive zinc interferes with other minerals. Check the food's adequacy statement before considering a supplement.2,3,7,8

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Health Extension 14 / 47
  2. Eagle Pack 1 / 6

Foods that list it / all the brand's recipes we track.

Usually listed with, share of the foods that list it

  1. Mixed Tocopherols 93%
  2. Dried Beet Pulp 93%
  3. Brewers Dried Yeast 67%
  4. Chicken Meal 60%
  5. Chicken Fat 60%
  6. Chicken 53%
  7. Brown Rice 53%
  8. Flaxseed 53%
  9. Sweet Potatoes 53%
  10. Oatmeal 47%
  11. Pearled Barley 47%
  12. Menhaden Fish Meal 47%

On the shelf

Foods that list Zinc Polysaccharide Complex

15 foods in our catalog list it, highest on the label first.

Eagle Pack Large & Giant Breed Adult Dry Dog FoodEagle PackEagle Pack Large & Giant Breed Adult Dry Dog FoodDry // No. 16 on the labelHealth Extension Grain Free Little Bites Grain Free Chicken & Turkey Little Bites Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Little Bites Grain Free Chicken & Turkey Little Bites Recipe Dry Dog FoodDry // No. 56 on the labelHealth Extension Grain Free Duck & Sweet Potato Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Duck & Sweet Potato Recipe Dry Dog FoodDry // No. 56 on the label
Show 12 more
Health Extension Grain Free Salmon & Sweet Potato Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Salmon & Sweet Potato Recipe Dry Dog FoodDry // No. 56 on the labelHealth Extension Grain Free Buffalo, Whitefish & Sweet Potato Little Bites Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Buffalo, Whitefish & Sweet Potato Little Bites Recipe Dry Dog FoodDry // No. 56 on the labelHealth Extension Grain Free Chicken & Turkey Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Chicken & Turkey Recipe Dry Dog FoodDry // No. 56 on the labelHealth Extension Little Bites Lite Chicken & Brown Rice Recipe Dry Dog FoodHealth ExtensionHealth Extension Little Bites Lite Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 57 on the labelHealth Extension Lite Chicken & Brown Rice Recipe Dry Dog FoodHealth ExtensionHealth Extension Lite Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 57 on the labelHealth Extension Original Chicken & Brown Rice Recipe Dry Dog FoodHealth ExtensionHealth Extension Original Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 57 on the labelHealth Extension Puppy Little Bites Dry Dog FoodHealth ExtensionHealth Extension Puppy Little Bites Dry Dog FoodDry // No. 58 on the labelHealth Extension Grain Free Venison & Sweet Potato Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Venison & Sweet Potato Recipe Dry Dog FoodDry // No. 58 on the labelHealth Extension Grain Free Little Bites Grain Free Venison & Sweet Potato Little Bites Recipe Dry Dog FoodHealth ExtensionHealth Extension Grain Free Little Bites Grain Free Venison & Sweet Potato Little Bites Recipe Dry Dog FoodDry // No. 58 on the labelHealth Extension Original Little Bites Chicken & Brown Rice Recipe Dry Dog FoodHealth ExtensionHealth Extension Original Little Bites Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 58 on the labelHealth Extension Original Lamb & Brown Rice Recipe Dry Dog FoodHealth ExtensionHealth Extension Original Lamb & Brown Rice Recipe Dry Dog FoodDry // No. 59 on the labelHealth Extension Original Large Bites Chicken & Brown Rice Dry Dog FoodHealth ExtensionHealth Extension Original Large Bites Chicken & Brown Rice Dry Dog FoodDry // No. 60 on the label

Sources

What we read

Checked October 1, 2026.

  1. 1 Zinc source influences zinc retention in hair and hair growth in the dog The Journal of Nutrition, 1994 // Journal
  2. 2 Effects of zinc and linoleic acid supplementation on the skin and coat quality of dogs receiving a complete and balanced diet Veterinary Dermatology, 2000 // Journal
  3. 3 AAFCO Dog and Cat Food Nutrient Profiles AAFCO, 2015 // Regulator
  4. 4 Official Feed Terms, Common or Usual Ingredient Names and Ingredient Definitions AAFCO, 2024 // Regulator
  5. 5 SQM Zinc 22% Product Specification QualiTech, 2020 // Industry
  6. 6 Pet Food Premix ADM, n.d. // Industry
  7. 7 Zinc Toxicosis in Animals Merck Veterinary Manual, 2026 // Book
  8. 8 Selecting the Right Pet Food AAFCO, n.d. // Regulator
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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