Feed This Liquid Gold To Help Your Best Friend Stop Itching & Limping and Age More Gracefully

Name: Liquid Collagen
Brand: BACK 40 Dogs
SKU: Back40Collagen4oz
Price: 29.97 USD
Availability: InStock
Rating: 4.8 (139 reviews)

Protect their joints, skin & coat
with a daily proven formula.

Protect their joints, skin & coat with a daily proven formula.

FUEL MORE MEMORIES

10,000+ customers | 3,100,000 meals served

Picky eater guarantee or your money back

Why This Liquid Gold Superfood Matters

Up to 80%

of dogs over 8 years old suffer from osteoarthritis.

9 in 10

dogs with ongoing skin issues show serious symptoms before age 5.

Protect their joints, skin & coat by replenishing the nutrient they lose as they age.

The Pet Industry Failed My Dogs, So I Built Something Better.

Jack developed our first products simply to feed his own dogs natural, proven superfoods after seeing how modern dog diets were taking their toll.

Now I’m proud to say Back 40 Dogs has helped countless furry family members fuel like farm dogs; for more memories together.

- Jack Cole, Founder

Help Your Dog Age More Gracefully

Collagen naturally declines with age, taking joints, skin, coat & immunity down with it. So we built a once daily formula to help replenish it.

Here's what happens after 3 months of Back 40 Liquid Collagen daily use.

Results Your Dog Will Love

*based on in house study of customers

91%

of users reported visible changes in their dogs' coat shine & texture within 2-4 weeks of daily use.

87%

said their dogs had more energy and improved mobility after 2-4 weeks of daily use.

90%

of users reported noticeably less itching & scratching within 2-4 weeks of daily use.

What's Inside (And Why It Matters)

Grass-fed Beef Collagen Peptides

Supports skin elasticity and joint structure.

Vitamin C

Helps collagen production and immune support.

Biotin

Supports coat shine and skin health.

MSM

Known for joint and mobility support.

Built to support how your dog looks, moves & feels.

Why Pick Our Formula From The Farm?

This is strategic daily support for your dog, not a junk food treat

		Typical Chews
Liquid formula
Easy to absorb
Canine-nutritionist formulated
Skin + joints in one		Sometimes
Measurable dose		Hard to split
Made in USA		Made overseas

Real Ingredients For Real Support

Chews are treats. This is daily nutrition.

Our liquid gold formula absorbs quickly and blends easily into any food.

NO HEAVY HEAT PROCESSING

NO JUNK

NO BRIBING

NO SUGARY CHEW BASES

NO BATTLING

Pour it over their meal, and you're done!

Trusted By Thousands Of Dog Owners

Her stiffness after walks is 10x better!

“Honestly, I wasn’t sure if a collagen supplement would make a big difference, but it really has. My dog eats it up with no problem, and her coat looks way shinier and softer. She’s barely shedding now (for an aussie), and I can tell her joints are doing better when we go on walks. Super happy with this so far!”

Ammar O.

Replaced apoquel for this and couldn't be happier

“Amazing product. Helped my GSD's itching and made a noticeable impact on coat. Going to buy again. He is usually pretty picky for being 90lbs but he seems to love this stuff. Our vet said he liked the formula when I showed it to him too. Glad I got recommended to Back 40.”

Jacob C.

This product is FANTASTIC

“My Lab has severe food allergies and constant paw licking. Two weeks on Liquid Collagen and the difference is incredible. No more licking, softer coat, better mobility, and he’s acting like a puppy again. This product is FANTASTIC!”

Rhonda L.

With consistent daily use:

SHINIER, SOFTER COAT

HEALTHIER-LOOKING SKIN

LESS DRYNESS

EASIER MOVEMENT OVER TIME

Easy To Use

STEP 1:

Select your dog's weight.

STEP 2:

Follow the daily dropper recommendation.

STEP 3:

Pour over food once per day.

STEP 4:

See improvements in coat & movement.

No scoops. No breaking chews in half.
Measure and pour on food, it's that easy.

Simple formula

Clear purpose

Fuel more memories

Select Your Dog's Weight

Bundle & Save:

1 Bottle

✓ Fast shipping
✓ Pause or cancel anytime
✓ 90-day money-back guarantee

2 Bottles

✓ Fast shipping
✓ Pause or cancel anytime
✓ 90-day money-back guarantee

3 Bottles

✓ Fast shipping
✓ Pause or cancel anytime
✓ 90-day money-back guarantee

This combination is currently out of stock.

🚚 Shipped in 24 hours

Overall rating: 4.8428574 / 5 from 140 reviews.

AI Generated Review Summary

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Review highlights

Reviews

Yow-Za! After 4 weeks on

"Yow-Za! After 4 weeks on your Collagen my Shorty Bull "Tony" is chewing and licking much much less. I adopted him in April and he came to me with "yeasty" feet and overall itchiness. I am very happy with this product. And the added bonus is that his skin isn't as "stinky" as before. This was a happy surprise for me! You have made both Tony and myself very happy! Thanks so very much!"

— Luanna V. (5/5)

"Too soon to report on any benefits but so far my dog loves this product. No issues mixing with his food. :)"

— Tamara (5/5)

Thor has just finished his

"Thor has just finished his first bone broth can and pumpkin along with the liquid collagen. . . he's off apoquel now and for the 1st time with no meds, his ears are 75% cleaner and less itchy, his anxiety attacks have gone down 75% as well and his coat. . . OMG his coat is lush, Shinny and soft. He is in quality of life care now since he has a growing tumor that we chose to not operate due to complications. these products along with lazarous cbd oil have been his holy grail of healthy and quality life. We regret not doing this sooner. But we will give it to him for as long as he's with us. Please invest in quality products for your furry baby."

— Diana V. (5/5)

We LOVE the liquid collagen!

"We LOVE the liquid collagen! We have four dogs, all different sizes and ages and each with unique needs. Since adding the collagen to our routine, our senior Dachshunds coat condition has improved and our GSD has been far less itchy. Highly recommend it!"

— Michelle L. (5/5)

Licking and scratching

"My dog just started to use it so I really don’t know if it will help him with his licking and scratching"

— Virginia O. (5/5)

Finally relief

"I waited a few weeks before doing this review but after years of shots, lotions, potions and pills these products really work. Our dog’s itching and rashes are almost completely gone"

— Christina M. (5/5)

"I just started my dog on this so it is a bit early to tell the effects it is having on her yet. Thank you."

— Ruth (5/5)

She absolutely hates it and

"She absolutely hates it and it's not even helping her."

— Dolly O. (1/5)

"Too early to tell if it works or not. It’s only been four or five days."

— Michael (3/5)

Still waiting

"Still waiting for this to work 90 German Shepard , how long before this starts working"

— John L. (1/5)

Q&A

Why Back 40 Dogs

We make products that we use with our own pets.

Honest ingredients
Purposeful formulas
Nothing unnecessary
Canine-nutritionist developed

Our goal is simple:
daily support that fuels more memories.

Select your dog's
weight and start today

SAVE ON COLLAGEN

Choose your dog's weight above and
save up to 40% for the best value and
easiest routine

Customers who subscribe stay consistent and see the best results over 90-day period based on in house study.

Support their coat

Support their skin

Support their joints

Feed This Liquid Gold To Help Your Best Friend Stop Itching & Limping and Age More Gracefully