★★★★★ 16,012 Reviews

Biopawlabs® Cruciate Support Premium Collagen Drops

Every joint supplement feeds the cartilage. This one feeds the ligament - the rope that actually holds the knee together. Dosed for his weight. Zero calories. Daily.

  • Rebuilds cruciate ligament fibers
  • 400 mg collagen per mL
  • 13 vet-formulated ingredients
  • Bacon flavor, one dropper
  • 3rd-party lab tested for purity

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Dosage & How To Use

One dropper. One meal. 10 seconds. Most dogs lick the bowl clean.

Dosage by weight (one dropper = 1 mL):
→ Under 11 kg: 1 mL per day, one bottle lasts about 2 months
→ 11 to 34 kg: 2 mL per day, one bottle lasts about 1 month
→ Over 34 kg: 3 mL per day, one bottle lasts about 3 weeks

A 2 mL dose delivers 800 mg of hydrolysed collagen peptides and 80 mg of UC-II. A 3 mL dose delivers 1,200 mg and 120 mg.

Already had surgery on one knee? Same dose. You're feeding the other one.

A ligament with almost no blood supply of its own only gets what arrives every day. Skip days, and the rope goes unfed.

Not sure yet? Start with one bottle. 90-day money-back guarantee.

The real reason joint supplements don't protect the cruciate

Most joint supplements are built for cartilage: glucosamine, chondroitin, green-lipped mussel. Good ingredients. Wrong tissue. The cruciate ligament isn't cartilage. It's a rope of collagen, and nothing in a hip and joint chew feeds a rope.

Why a dog's cruciate never rests

A dog's shin bone slopes, about 24 degrees on average. Every time he puts weight on the leg, the shin tries to slide forward and the cruciate ligament holds it back. Standing, walking, waiting for dinner: the rope is loaded every second he's on his feet. Yours rests when you stand. His never does.

Why it frays instead of snapping

The core of that ligament has almost no blood supply of its own. It's fed by diffusion, by whatever is in the blood that day. A rope under constant load that isn't fed loses the cells that repair it, and its fibres come apart over years. About 80% of cruciate tears are degenerative, not accidents. The pop in the garden is the last fibre going. And the other knee has the same slope, the same rope, the same blood: 22 to 54% of dogs tear the second one within 6 to 17 months.

How BioPawLabs® is different

We feed the rope. Hydrolysed collagen peptides, types I and III, already broken down so they're in the blood the same day, with the vitamin C his cells can't build collagen without, and UC-II for the cartilage of the same joint. Dosed to the millilitre for his weight, zero calories, every day.

✓ Feeds the ligament itself
✓ Dosed for a 40 kg dog, not a one-size chew
✓ The knee that's still holding, fed every day

90-Day Money-Back Guarantee

Most owners see the first change by week 3. But we give you 90 days - because a ligament is fed over months, not days.

That's why we offer our guarantee: try it for a full ninety days, and if you're not satisfied, email us at support@tryalvona.com and we'll refund you, no questions asked. The risk is on us, not on you.

How quickly will I see results?

Weeks 1 to 2: nothing you can see. The peptides are in his blood, the ligament is being fed, but a rope doesn't change in a week. We'd rather tell you that now.

Weeks 3 to 4: most owners notice the first thing in the morning. He gets up from his bed with less of that stiff pause, and walks it off faster.

Weeks 6 to 8: the crooked sit happens less, he plants all four paws after play, the stairs and the car stop being a negotiation.

3 months: that's how long it takes to feed a ligament, and it's the window in which the other knee is decided. Then keep going. A ligament under load every day needs to be fed every day.

Fast & Tracked Shipping

We offer tracked shipping on all orders.

Our fulfillment team processes orders within 24 business hours. Depending on your location, delivery typically takes 4–8 business days.

If you have a question about an order, email support@tryalvona.com.

Why Trust BioPawLabs?

  • No Fillers or Additives
  • Non-GMO
  • Hypoallergenic Formula
  • Zero Calories
  • No Synthetic Preservatives
  • 3rd-Party Lab Tested

They Stopped Limping. Their Owners Stopped Worrying.

Nature's Paw reference: before and after photos of Karen W.'s beagle

Karen W.

★★★★★
Verified buyer · Murhpy's Mom 🇬🇧 i was so skeptical. we had the brace, the ramp, the chews, all of it. Murphy still did the crooked sit. started the drops in may and by july my husband said when did he stop sitting weird lol. thats the review
Nature's Paw reference: before and after photos of Debra S.'s German Shepherd

Debra S.

★★★★★
Verified buyer · Marli's Mom 🇬🇧 Six months after Marlir's TPLO, the other knee is still holding. He's 75 pounds. This is the first thing that felt like doing something instead of waiting.
Nature's Paw reference: before and after photos of Marisol G.'s dog

Marisol G.

★★★★★
Verified buyer · Sasha's Dad 🇺🇸 Sasha had his left knee done in March. By June the right one was starting to skip. Eight weeks in, he sits square again and I've stopped holding my breath.
Nature's Paw reference: Delores W.'s dog Jasper

Delores W.

★★★★★
Verified buyer · Duke's Mom 🇬🇧 Duke was toe-touching after every walk. Six weeks on the drops and she plants all four. Our vet noticed before I said a word.
Review 1 of 4

THE SCIENCE BEHIND THE DROPS.

The Knee Has One Stabilizer. We Feed It.

One ligament holds the knee together. Collagen is what it’s made of. That’s the entire idea.

  1. The ligament

    The one band between stable and surgery.

    The cruciate ligament is a rope of collagen under load every second your dog stands. No blood supply of its own. Fed only by what’s in the blood that day. When the fibers weaken, the knee doesn’t warn you - it gives. 80% of cruciate tears are degenerative, not accidents. The pop in the garden is the last fiber going.

  2. The formula

    Collagen goes in. Every day.

    400 mg hydrolyzed collagen peptides to feed the ligament. 40 mg UC-II® for the cartilage. Quercetin and Bromelain to fight inflammation. Omega-3s for cell repair. Vitamin C because his cells can’t build collagen without it. MSM, Colostrum, Zinc, Biotin, Hyaluronic Acid - 13 ingredients, every milligram printed.

  3. The research idea

    Rebuild the fibers. Restore stability.

    Most joint supplements throw glucosamine at cartilage and call it done. The cruciate isn’t cartilage - it’s a rope, and nothing in a hip-and-joint chew feeds a rope. Biopawlabs delivers the raw material the cruciate actually needs, dosed to the milliliter for his weight, zero calories, every single day. The knee that’s still holding keeps holding.

Alvona

Here’s What Happens
When You Finally Feed the Rope.

Most owners notice the first change at week 3. By week 4, their vet notices too.

Start Their Recovery →
Before starting: This is what you’re watching right now.
  • One back leg kicked out when he sits.
  • Stiff after every nap. Slow through those first steps.
  • Hesitating at stairs he used to fly up.
  • That click in the knee you pretend not to hear.
Week 1: Nothing visible yet. The rope is being fed.
  • Measure 1, 2 or 3 mL by weight.
  • Mix into one daily meal.
  • Keep the existing care plan.
Week 3: The morning changes first.
  • Getting up with less struggle.
  • Less stiffness after naps.
  • More comfortable, confident first steps.
Week 4+: The dog you had before the limp.
  • Running after his favorite ball again.
  • Keeping up on the walks he used to love.
  • Getting up from his bed, ready to go.

MEASURED FOR YOUR DOG

His Weight. His Dose. Every Milligram Accounted For.

From a small companion to a big best friend, measure the daily serving by body weight. Each full dropper holds 1 mL.

Under 25 lb

1 mL per day

1 dropper · 60 days per bottle

25–75 lb

2 mL per day

2 droppers · 30 days per bottle

Over 75 lb

3 mL per day

3 droppers · 20 days per bottle

Bottle duration is calculated from a 60 mL bottle at the daily servings shown.

HOW TO USE IT

3 Steps. 10 Seconds. Done.

  1. Hands measuring Biopawlabs collagen drops with the full-length glass dropper
    Step 1

    10 Seconds. One Dropper.

    Use 1, 2 or 3 mL based on your dog's weight. One full dropper = 1 mL.

  2. Biopawlabs collagen drops being added to a dog's food
    Step 2

    Straight Onto Food. Done.

    Pour it over wet or dry food. Bacon flavor — most dogs lick the bowl clean.

  3. A golden Labrador eating beside the Biopawlabs bottle
    Step 3

    Make It A Habit.

    One daily serving keeps the ligament fed. That's the whole routine.

See the Difference for Yourself

See the Difference for Yourself
Feature
Biopawlabs
Biopawlabs Cruciate Support Collagen Drops bottle
Other brands
Feeds the cruciate ligament, not just cartilage Yes No
13 ingredients, every milligram printed Yes No
Liquid drops, no giant chews Yes No
First bottle free Yes No
Zero calories, zero fillers Yes No
90-day money-back guarantee Yes No

Frequently Asked Questions

How does it work exactly?

Your dog's cruciate ligament is a rope of collagen that never rests: his shin bone slopes, so the ligament holds his weight every second he's standing. The core of that rope has almost no blood supply of its own. It's fed by diffusion, by whatever is in the blood that day. A rope that's loaded all day and not fed frays over years, which is why most cruciate tears aren't accidents. BioPawLabs puts hydrolyzed collagen peptides, vitamin C and UC-II into his blood every day, dosed for his weight, so the ligament gets what it's made of while it works.

How is it different from glucosamine or Dasuquin?

Glucosamine and chondroitin are the building blocks of cartilage. Good ingredients, wrong tissue. The cruciate ligament isn't cartilage: it's collagen, type I mostly, and nothing in a hip and joint chew feeds it. BioPawLabs is built around the collagen the ligament is made of, with the vitamin C his cells need to assemble it. Many owners keep their joint chew for the cartilage and add BioPawLabs for the rope. They do different jobs.

My dog already had TPLO surgery. Is it too late?

It's exactly the time. The surgery leveled one shin, so that knee no longer depends on its ligament. The other knee still does. It has the same slope, the same rope, the same blood, and 22 to 54% of dogs tear it within 6 to 17 months of the first one. That's the knee we feed. Same dose as any dog his weight, on his food, every day, starting now. BioPawLabs doesn't replace your surgeon's recovery plan. It runs alongside it.

How long does it take to see results?

Weeks 1 to 2, nothing visible. Weeks 3 to 4, most owners notice a steadier rise after rest. Weeks 6 to 8, the crooked sit happens less and he plants all four paws after play. Three months is how long it takes to feed a ligament, and it's the window in which the other knee is decided, which is why most owners choose the three-bottle pack.

Is it safe with his medication, or after surgery?

Yes. These are nutrients his body already uses to build connective tissue. BioPawLabs doesn't suppress anything and doesn't interfere with anti-inflammatories, pain medication or a post-surgery recovery plan. Produced in a cGMP-certified facility, safe for daily long-term use. It contains bovine colostrum, so if your dog is dairy-sensitive, ask your vet first.

My dog weighs 90 pounds. How much should I give?

3 mL a day, three droppers on his food. Under 25 lbs is 1 mL, 25 to 75 lbs is 2 mL, over 75 lbs is 3 mL. That's the point of drops: a big dog's ligament gets a big dog's dose. At 3 mL a bottle lasts about three weeks, which is why large-breed owners usually take the three or five-bottle pack.

What if it doesn't work for my dog?

We offer a 90-day money-back guarantee. Give it a full ninety days, and if you don't see the difference, contact us for a full refund. No questions asked. The risk is on us.

Why drops instead of chews?

Two reasons. Dose: a ligament is fed in proportion to the dog, and one dropper per 25 pounds does what a fixed chew count can't. Weight: drops carry zero calories, and every extra pound loads the rope harder with every step. Overweight dogs tear their cruciate at close to four times the rate. Bacon flavor, on his food, no pill fights.

Try Biopawlabs Risk-Free

Try it for 90 days. No noticeable improvement? Email us for a full refund. Keep the bottle.