Ingredient file // Vitamin or mineral
Cobalt Amino Acid Chelate
A trace cobalt source without proven dog benefit
Cobalt amino acid chelate is a manufactured mineral ingredient made by binding cobalt to amino acids. It adds cobalt to food, but dogs need vitamin B12 in its assembled form. Better absorption and a health benefit from this chelate remain unproven in dogs.
- What it is
- A manufactured feed ingredient that binds cobalt from a soluble salt to amino acids.
- Made from
- A soluble cobalt salt and amino acids
- Main job
- Adds trace cobalt
- Typical amount
- Not published for complete dog foods
- Watch for
- It does not replace vitamin B12
- Not the same as
- Vitamin B12 supplement
Our read // In our catalog
In 1 of every 63 foods we track
Share of foods that list it
2%
41 of the 2,595 foods with an ingredient list on file, from 4 brands. 37 wet dog food, 2 dog food topper, 2 dry dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 27. In the top five of 0 foods, so it is usually a minor ingredient.
Above the salt
Usually listed after the salt, which caps it at roughly 1% of the recipe in 100% of foods.
Price per lb
Median of the cheapest bag price across 6 priced foods, 11% below the catalog. The price is the food's, not the ingredient's.
Who leans on it
80%
of the foods that list it are from Blue. 4 brands use it in total.
What it is
How it is made
Feed ingredient suppliers make this chelate from a cobalt salt and amino acids. It is manufactured for mineral blends, not recovered as a leftover. One supplier sells the finished ingredient as a free-flowing powder.4,6
- 01 // Source Cobalt and amino acids A soluble cobalt salt supplies the metal, while amino acids supply the molecules that bind it.
- 02 // Process Reacted together The cobalt and amino acids react to form the chelate described in the feed ingredient definition.
- 03 // Output Chelate powder One supplier sells a free-flowing powder with a guaranteed minimum cobalt content in bulk bags.
What is in it
Composition, dry matter
≥2
% cobalt
One supplier's minimum cobalt guarantee for its powder. It describes the additive, not the cobalt concentration of finished dog food.
Why it is in the bag
What the manufacturer gets
-
01
Adds measured cobalt
A declared minimum cobalt content lets a formulator calculate how much cobalt the ingredient adds. That makes it useful in a mineral blend without proving that dogs benefit from extra cobalt.4,6
-
02
Fits bulk mineral blending
One supplier ships the free-flowing powder in 25 kg bags. That packaging suits manufacturers buying a trace ingredient for larger mineral blends.6
-
03
Offers a chelate label
The name distinguishes it from a cobalt salt. A supplier promotes absorption through intestinal transporters, but has not shown that its cobalt chelate outperforms a salt in dogs.4,8
How much A dog supplement declares 0.014 mg cobalt per tablet; that example does not give an inclusion rate for complete dog foods.7
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
It adds cobalt to the food
Evidence
- Strong
- Some
- Thin
- None
A supplier guarantees at least 2% cobalt in its chelate powder, so adding that powder adds cobalt. This is a formulation fact; it does not show that extra cobalt improves a dog's health.4,6
-
Brands say
Chelated cobalt absorbs better than cobalt salts
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A supplier proposes 2 uptake routes, through PepT1 and amino acid transporters. It reports no controlled dog comparison with a cobalt salt, so the advertised absorption advantage remains untested in dogs.8
-
Owners say
Cobalt chelate supplies vitamin B12 to dogs
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A randomized trial enrolled 37 dogs with low B12 and gave them cyanocobalamin, not cobalt chelate. Dogs' gut bacteria make B12 beyond its main absorption site. Cobalt chelate cannot replace assembled B12.1,2
Straight answers
What owners ask
-
Q01
Is it just filler?
NoIt supplies measurable cobalt, so it has a formulation job. AAFCO's dog nutrient profiles set a target for vitamin B12 but no separate cobalt target. Its presence alone does not show a nutritional advantage.5,6,10
-
Q02
Does it replace vitamin B12?
NoCobalt bound to amino acids is a different ingredient from vitamin B12. In a randomized dog trial, the treatment for low B12 was cyanocobalamin itself. A dog supplement even lists the chelate and B12 separately.1,2,7
-
Q03
Should I avoid food containing it?
Not by itselfThe ingredient list does not reveal total cobalt in the food. FDA expected no cobalt harm from the pet foods it reviewed, although dog-specific tolerance data were lacking. Check the food's nutritional adequacy statement.3,9
-
Q04
Is cobalt chelate a protein source?
NoThe additive contains amino acids, but manufacturers use it to deliver trace cobalt. Its powder specification does not make those amino acids a meaningful protein contribution to a finished dog food.4,6
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
- Chicken 76%
- Chicken Liver 61%
- Chicken Broth 59%
- Potatoes 54%
- Carrots 46%
- Peas 46%
- Flaxseed 46%
- Guar Gum 32%
- Pea Flour 29%
- Carrageenan 29%
- Brown Rice 27%
- Barley 24%
Our read // On the bag
Check the complete food, then its B12
Expect this trace ingredient near other minerals toward the end of the list. Its presence tells you cobalt was added, but not how much cobalt the finished food contains or whether the chelate absorbs better. Check the nutritional adequacy statement. If your dog has diagnosed low B12, follow the prescribed B12 treatment.
Sources
What we read
Checked October 1, 2026.
- 1 Efficacy and tolerance of oral versus parenteral cyanocobalamin supplement in hypocobalaminaemic dogs with chronic enteropathy: a controlled randomised open-label trial
- 2 Review of cobalamin status and disorders of cobalamin metabolism in dogs
- 3 Target Animal Safety Review Memorandum
- 4 Official Feed Terms, Common or Usual Ingredient Names and Ingredient Definitions
- 5 AAFCO Dog Food Nutrient Profiles
- 6 Cobalt Amino Acid Chelate 2% Technical Data Sheet
- 7 Fastrack Adult Dog Supplement for Animal Use
- 8 Cobalt Amino Acid Chelate Small Peptide Chelated Cobalt
- 9 Reading Labels
- 10 What’s in the Ingredients List?