You're standing in the pet shop aisle.
On one shelf: collagen powder. On another: collagen chews.
The chews look more convenient. Your dog would probably love them. But the powder is cheaper, purer and easier to give per dose.
Which one actually works better?
Here's the honest comparison, backed by science.
The Key Difference: Absorption vs Convenience
This is the fundamental trade-off:
Powder:
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Maximum absorption
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Accurate dosing
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Best value
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Less convenient
Chews:
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More convenient
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Dogs love them
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Less accurate dosing
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Often lower absorption
The question is: Which factors matter most for your dog?
Let's break down every aspect.
1. Collagen Content: How Much Are You Actually Getting?
Collagen Powder
Pure collagen powder should be 90%+ protein.
Example (our Pure Collagen):
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One 6g scoop = 5.4-5.7g actual collagen (90-95% purity)
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Zero fillers
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Every gram is working for your dog
What to look for:
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Ingredient list with ONE ingredient: "Hydrolysed collagen peptides"
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Protein content 90%+ per serving
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Clear dosing guide
Collagen Chews
Most chews are 10-30% collagen. The rest is filler.
Typical chew breakdown:
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5g chew weight
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500mg-1,000mg actual collagen (10-20%)
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4g-4.5g of: glycerin, tapioca starch, vegetable oil, natural flavouring, preservatives
Why so much filler?
Chews need:
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Binders (to hold shape)
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Flavoring (to taste good)
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Texture agents (to be chewy)
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Preservatives (to stay shelf-stable)
The result: You're paying for a lot of ingredients that don't support joints.
Example calculation:
To get 6,000mg collagen (therapeutic dose for medium dog):
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Powder: 1 scoop (6g)
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Chews (20% collagen): 12 chews (60g total weight)
You'd need to give 12 chews to equal one scoop of powder.
2. Absorption: Does It Get Into Your Dog's Body?
Collagen Powder (Hydrolysed)
If it's properly hydrolysed:
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Molecular weight 2,000-5,000 Da
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Small enough to pass through gut wall
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Absorbed intact into bloodstream
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Studies show 90%+ absorption rate
Critical factor: Must say "hydrolysed collagen peptides" on label.
Collagen Chews
This is where it gets complicated.
Three types of chews exist:
Type 1: Hydrolysed collagen chews
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Same absorption as powder (good)
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But often lower dose per chew
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More expensive per milligram of collagen
Type 2: Standard collagen chews
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NOT hydrolysed
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Molecular weight too large (300,000 Da)
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Absorption: poor to none
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Essentially expensive dog treats
Type 3: Undenatured Type II collagen chews
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Different mechanism (immune modulation)
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Only works for autoimmune arthritis (rare)
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Wrong choice for regular osteoarthritis
The problem: Most chew packaging doesn't clearly state which type they contain.
Red flags:
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Label says "collagen" without "hydrolysed" or "peptides"
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Very low collagen content (under 500mg per chew)
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Focus on flavouring and palatability, not absorption
3. Dosing Accuracy: Are You Giving The Right Amount?
Collagen Powder
Extremely precise.
How it works:
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Measuring scoop included
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Clear dosing guide by weight
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Same amount every time
Example:
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Small dog (under 10kg): 3g (half scoop)
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Medium dog (10-25kg): 6g (1 scoop)
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Large dog (over 25kg): 12g (2 scoops)
No guesswork.
Collagen Chews
Variable and often unclear.
Problems:
1. Inconsistent sizing
Chew size varies within the same bag. One might be 4g, another 6g.
2. Unclear dosing
Labels often say "1-2 chews per day" without specifying by weight.
Is 1 chew enough for a 5kg dog? A 40kg dog?
3. Dogs won't always eat the full chew
Some dogs nibble. Some bury them. Some leave them in the bowl.
Did they get 100% of the dose? 50%? Who knows.
4. Difficult to adjust
Can't easily give "half a chew" to a small dog or "3.5 chews" for precise dosing.
4. Cost Comparison: Value for Money
Let's calculate cost per milligram of actual collagen.
Example: Medium Dog (20kg) Needing 6,000mg Daily
Option A: Pat's Pet Kitchen Pure Collagen
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Price: £31.99 per 180g pouch
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Dose: 6g daily (1 scoop)
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Servings per pouch: 30 (medium dog)
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Cost per day: £1.07
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Cost per 1,000mg collagen: £0.18
Option B: Typical Premium Collagen Chews
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Price: £25 for 90 chews
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Collagen per chew: 500mg (typical)
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Chews needed daily: 12 (to get 6,000mg)
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Servings per bag: 7.5 days
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Cost per day: £3.33
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Cost per 1,000mg collagen: £0.56
Powder is 3x cheaper for the same amount of collagen.
Option C: Low-Dose Collagen Chews (Common)
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Price: £20 for 60 chews
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Collagen per chew: 200mg (many products)
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Chews needed daily: 30 (to get 6,000mg - impractical)
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Can't even achieve therapeutic dose with this product
Why Chews Cost More
Manufacturing costs:
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Flavoring
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Binding agents
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Special equipment for chew production
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Packaging (individual chews)
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Marketing (convenience premium)
None of these costs improve effectiveness.
You're paying for convenience, not better results.
5. Palatability: Will Your Dog Actually Eat It?
Collagen Powder
Pure hydrolysed collagen is:
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Tasteless
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Odourless
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Invisible when mixed into food
Pros:
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Won't affect food flavor
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Most dogs don't notice it
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Works for picky eaters (they don't know it's there)
Cons:
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If your dog is EXTREMELY fussy and won't eat anything added to food, powder won't work
Solution for fussy eaters: Mix powder with small amount of water first (makes a paste), then mix into food. Or try our Beef Bone Broth (naturally flavoured, 40% collagen content).
Collagen Chews
Flavoured to be palatable.
Pros:
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Dogs usually love them
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Can be given as treat (training reward, occupies them)
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Good for dogs who won't eat food with supplements mixed in
Cons:
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Some dogs still refuse them (yes, even "delicious" chews)
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Dogs with food allergies may react to flavoring
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Can be left in the bowl (didn't actually consume it)
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Some dogs swallow whole without chewing (reduced absorption)
The reality:
If your dog eats their regular meals without issue, powder mixed into food works fine for 95% of dogs.
Chews solve a problem (picky eaters) that most dogs don't have.
6. Additives & Fillers: What Else Are You Giving?
Collagen Powder (Pure)
Good quality powder should contain:
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Hydrolysed collagen peptides
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Nothing else
Our Pure Collagen:
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One ingredient
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No fillers
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No flavouring
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No preservatives
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No artificial anything
What you see is what you get.
Collagen Chews
Typical chew ingredient list:
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Collagen (10-30%)
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Glycerin (humectant, makes it soft)
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Tapioca starch (binder)
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Vegetable oil (texture)
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Natural flavoring (beef, chicken, bacon flavor)
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Preservatives (sorbic acid, citric acid)
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Colorants (often)
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Rosemary extract (antioxidant)
Some dogs are sensitive to:
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Glycerin (digestive upset)
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Artificial flavoring
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Preservatives
If your dog has a sensitive stomach, chews may cause:
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Soft stools
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Gas
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Occasional vomiting
Powder avoids all these issues.
7. Storage & Shelf Life
Collagen Powder
Storage:
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Cool, dry place
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Resealable pouch
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Stays fresh for months
Shelf life:
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Unopened: 2-3 years
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Opened: 3-6 months
No refrigeration needed.
Collagen Chews
Storage:
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Cool, dry place
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Often individually wrapped (more packaging waste)
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Can become hard if exposed to air
Shelf life:
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Similar to powder (1-2 years unopened)
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Once bag is open, use within 6-8 weeks (can dry out)
Pros:
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Individual packaging = longer freshness per chew
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Portable (can bring on trips)
Cons:
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More packaging waste
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Harder to store large quantities
8. Ease of Use: Daily Routine
Collagen Powder
Steps:
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Scoop powder
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Sprinkle on food
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Mix (or don't, they often eat it anyway)
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Done
Time: 10 seconds
Works with:
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Dry kibble
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Wet food
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Raw food
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Mixed into water for gravy
Flexible.
Collagen Chews
Steps:
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Give chew
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Wait for dog to eat it
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Hope they actually eat it
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Check bowl later to confirm
Time: 5 seconds to give it, but...
Potential issues:
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Dog buries it in the garden
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Dog saves it for later
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Dog eats part of it, leaves the rest
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Need to monitor to ensure consumption
Less reliable.
9. Multi-Dog Households
Collagen Powder
Easy to manage different doses.
Example:
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Dog 1 (10kg): Half scoop in their bowl
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Dog 2 (25kg): Full scoop in their bowl
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Dog 3 (40kg): Two scoops in their bowl
Each dog gets precisely what they need.
Collagen Chews
Complicated.
Problems:
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Dog 1 needs 1 chew, Dog 2 needs 3 chews, Dog 3 needs 5 chews
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Risk of dogs stealing each other's chews
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Have to separate dogs during treat time
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Expensive (buying enough for multiple large dogs)
Not practical for households with multiple dogs of different sizes.
When Chews Might Be Better
Despite all the above, there ARE scenarios where chews make sense:
1. Extreme Picky Eaters
If your dog:
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Refuses food with anything mixed in
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Can detect even tasteless powder
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Will only eat treats, not meals
Then chews might be the only option.
But try powder first. Most "picky eaters" will eat it fine when mixed into wet food or our Beef Bone Broth.
2. Training Rewards
If you're using high-value treats for training:
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Collagen chews can serve as training reward + supplement
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Two birds, one stone
But: Make sure chews contain adequate collagen (1,000mg+ per chew minimum).
3. Portability
If you travel frequently with your dog:
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Chews are easier to transport
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No need for measuring scoops
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Less mess
But: You can also put powder in a small container or zip-lock bag. Not that much harder.
4. Occupational Therapy
If your dog needs something to chew on:
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Dental health
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Anxiety relief
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Boredom prevention
Then collagen chews serve double duty.
But: Regular dental chews might be more cost-effective, and you can add powder to their meals separately.
The Verdict: Which is Actually Better?
For 90% of dogs: Powder is superior.
Why:
✅ Higher collagen content per dose
✅ Better absorption (if using hydrolysed peptides)
✅ More cost-effective (2-3x cheaper)
✅ Precise dosing
✅ No fillers or additives
✅ Works for multi-dog households
✅ Less packaging waste
✅ Flexible (mix into any food)
Chews only make sense if:
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Your dog absolutely refuses food with powder
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You need a portable option for travel
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You want a dual-purpose training treat
But even then, you're sacrificing efficacy and cost for convenience.
Our Recommendation
Start with powder:
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6,000mg hydrolysed collagen peptides per serving
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One ingredient
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£1.07 per day for medium dogs
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Tasteless, mixes into any food
For comprehensive joint support:
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2,500mg collagen + glucosamine + hyaluronic acid + vitamins
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Powder form
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£1.17 per day for medium dogs
If powder doesn't work (rare):
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40% collagen content
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Natural beef flavor (dogs love it)
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Mix with water to create gravy
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Whole-food alternative
We don't make chews.
Why?
Because when we tested the cost-benefit analysis, powder delivered better results at lower cost. We couldn't make a chew product that met our standards without charging 3x more.
If it isn't good enough for us, it isn't good enough for them.
How to Make Powder Work for Picky Eaters
If you're worried your dog won't eat powder, try these methods:
Method 1: The Paste
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Mix powder with 1-2 tablespoons water
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Stir into paste
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Mix paste thoroughly into wet food
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They won't taste it
Method 2: The Gravy
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Use our Beef Bone Broth
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Mix with warm water (creates beef-flavored liquid)
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Pour over kibble
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Add Pure Collagen or Mobility & Joints to this
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They'll lick the bowl clean
Method 3: The Hide
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Mix into something smelly and delicious
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Sardines, tuna, raw egg
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They won't notice the powder
Method 4: Start Small
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Week 1: Quarter dose
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Week 2: Half dose
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Week 3: Three-quarter dose
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Week 4: Full dose
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Gradually desensitizes them
95% of dogs accept powder when mixed into food. Give it a fair try before switching to chews.
Common Questions
"Are collagen chews safe for dogs?"
Generally yes, if from reputable brand. But watch for:
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Choking hazard (if dog swallows whole)
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Digestive upset from fillers
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Allergic reaction to flavoring
"Can I give both powder and chews?"
Yes, just watch total dose. Don't accidentally double-dose.
"My dog loves chews. Should I switch to powder?"
If they're getting adequate collagen from chews (6,000mg+ daily) and you can afford it, stick with what works.
But most chews deliver far less collagen than needed. Check the math.
"What if the powder changes the taste of food?"
Pure hydrolysed collagen is tasteless. If you're noticing a taste, the product either:
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Isn't pure collagen
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Has added flavoring
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Is low quality
Switch to a purer product.
"Can puppies have collagen chews?"
Powder is safer for puppies:
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Precise dosing by weight
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No choking risk
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No unnecessary additives
If giving chews: Only soft chews, supervise closely, ensure appropriate size.
The Bottom Line
Collagen powder is more effective, more economical, and more flexible than chews for most dogs.
Chews are convenient but expensive, often under-dosed, and full of fillers.
Make your decision based on:
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Your dog's actual needs (not convenience)
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Cost per milligram of collagen
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Absorption (must be hydrolysed)
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Dosing accuracy
Don't pay 3x more for inferior collagen just because it comes in chew form.
Your dog's joints deserve the best.
Sources & Further Reading
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Consumer studies on pet supplement absorption and efficacy
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Market analysis: Pet supplement pricing and value comparison
Last Updated: December 2025