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Good Stretch

Good Stretch

The only mobility formula that supports your dog's joints, spine & nerves in one super scoop. Now available for pre-order: ships early April 2026.

Most dog joint supplements use only a few ingredients, dose at a fraction of what research supports, and don’t help with the nerves or spine. We formulated Good Stretch to fix that.

21 active ingredients vs. 5-6 in most other supplements.
4-8x higher dosages than what you'll find in a joint chew.
Joint, spine & nerve support in one complete formula.
Manufactured in the USA in an FDA-registered, NASC-approved facility.
3rd-party tested for purity, potency & label accuracy.
90-day money-back guarantee - no returns needed.

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21 active ingredients (Two types of collagen, glucosamine, anti-inflammatories, B-vitamins, antioxidants, and absorption enhancers) supporting joint, spine, nerve function and mobility.

Active Ingredients:

  • Glucosamine Sulfate (shellfish)
  • Hydrolyzed Type I Collagen (bovine)
  • Hydrolyzed Type II Collagen (avian)
  • Chondroitin Sulfate (bovine)
  • New Zealand Green Lipped Mussel
  • Methylsulfonylmethane (MSM)
  • N-Acetyl Glucosamine (NAG)
  • Hyaluronic Acid
  • Boswellia Serrata Extract (std. to 60% AKBA)
  • Turmeric Extract Powder (std. to 95% curcumin)
  • Palmitoylethanolamide (PEA)
  • Bromelain (≥600 GDU/g)
  • Acerola Cherry (std. to 17% vitamin C)
  • Vitamin E (d-alpha tocopherol)
  • VegD3® (vitamin D3)
  • Zinc (as picolinate)
  • Vitamin B Complex (organic quinoa sprout)
  • BioPerine® (black pepper extract)
  • Sunflower Lecithin Powder
  • L-Taurine
  • Magnesium (as citrate)

Inactive Ingredients: Flaxseed  

Small dogs (<25 lbs): 1 scoop a day
Medium dogs (25-50 lbs): 2 scoops a day
Large dogs (51-100 lbs): 3 scoops a day
Giant dogs (> 100 lbs): 4 scoops a day

Start with half the suggested amount and increase gradually to the recommended daily amount.

Every KIN blend is tested for contaminants, heavy metals, and potency.

COAs for each batch will be available here once our first production run is ready to ship.

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Why serious dog parents choose Good Stretch

Why serious dog parents choose Good Stretch

If your dog is slowing down or you're trying to get ahead of it before they do - you want to make sure what you're giving them actually works.

Dog parents who've done the research are realizing that most joint supplements are:

Underdosed. The doses in most formulas are a fraction of what research supports and not enough to make a real difference.

Incomplete. When mobility is affected, it's rarely just the joints. Your dog’s spine, nervous system, and inflammatory response all need support.

A joint supplement that isn't covering all these areas isn't doing enough. That's why we built Good Stretch to do more.

ONE SMARTER FORMULA

ONE SMARTER FORMULA

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WHAT OTHERS SKIP
WHAT OTHERS SKIP
Good Stretch
Other Supplements (What you'll typically find in other brands)

600mg Glucosamine Sulfate

300mg - 500mg Glucosamine

400mg Chondroitin Sulfate

50 - 150mg Chondroitin

400mg NZ Green Lipped Mussel

50mg - 100mg Green Lipped Mussel

300mg MSM

200 - 400mg MSM

25mg Hyaluronic Acid

10-20mg Hyaluronic Acid

400mg Hydrolyzed Type I Collagen

No collagen or single type

400mg Hydrolyzed Type II Collagen

No collagen or single type

200mg Acerola Cherry Extract

(17% vitamin C)

Usually synthetic vitamin C

50mg Turmeric Extract Powder

(95% curcumin)

Generic low-potency turmeric

200mg N-Acetyl Glucosamine (NAG)

Rarely included

100mg L-Taurine

Rarely included

50mg Boswellia Serrata Extract

(60% AKBA)

Rarely included

50mg Bromelain

(≥600 GDU/g)

Rarely included

50mg Vitamin B Complex

Rarely included

50mg Sunflower Lecithin Powder

Rarely included

40mg PEA

Rarely included

10 IU Vitamin E

Rarely included

10mg Magnesium Citrate

Rarely included

5 IU VegD3® (Vitamin D3)

Rarely included

5mg Zinc Picolinate

Rarely included

1mg BioPerine®

(black pepper extract)

Rarely included

HOW GOOD
STRETCH WORKS

21 active ingredients at
research-backed dosages.

HOW GOOD STRETCH WORKS

21 active ingredients at
research-backed dosages.

An amino sugar that supports healthy cartilage structure and joint function. Studied in dogs to help maintain joint comfort and mobility.

Works With: Chondroitin Sulfate to support joint structure and cartilage integrity.

Bioactive collagen peptides that support connective tissue health. Studied in dogs to help maintain healthy joints, tendons, and ligaments through the provision of building blocks for tissue structure.

Works With: Hyaluronic Acid and Glucosamine to support overall joint structure and cartilage health.

Specialized collagen peptides from chicken cartilage that support joint cartilage health. Provides building blocks for cartilage maintenance and helps support normal joint function.

Works With: Glucosamine and Chondroitin to support cartilage health and maintanence.

A major component of cartilage that supports joint structure and helps maintain healthy cartilage integrity. Studied in dogs to support joint comfort and normal joint function.

Works With: Glucosamine Sulfate to support joint structure and cartilage health.

A natural source of omega-3 fatty acids and glycosaminoglycans (including chondroitin). Studied in dogs to support joint comfort, healthy inflammatory response, and normal mobility.

Works With: Glucosamine and Chondroitin for comprehensive joint support.

An organic sulfur compound that provides biologically active sulfur for connective tissue formation. Sulfur is essential for the synthesis of collagen and glycosaminoglycans, supporting normal joint structure and function.

Works With: Glucosamine and Chondroitin for connective tissue support.

A specialized form of glucosamine studied in dogs to help build the structural components of healthy cartilage and connective tissue. Supports joint structure and helps maintain normal joint function.

Works With: Glucosamine and Chondroitin for comprehensive cartilage support.

A naturally occurring component of synovial fluid that supports joint lubrication and cushioning. Studied in dogs to help maintain healthy synovial fluid viscosity and support normal joint comfort and mobility.

Works With: Hydrolyzed Collagen and Glucosamine to support comprehensive joint structure and function.

A natural, whole-food source of B vitamins from organic quinoa sprouts including B1 (thiamine), B6 (pyridoxine), and B12 (cobalamin) that support normal neurological function and nerve health.

Works With: Other vitamins and nutrients in the formula to support overall well-being.

A naturally-occurring fatty acid that the body produces in response to cellular stress. Studied in dogs to help maintain normal inflammatory responses, support nerve comfort, and promote healthy mast cell function.

Works With: Turmeric and Boswellia to support multiple pathways for inflammatory balance and comfort.

A botanical extract studied in dogs to help maintain normal inflammatory responses in joints and support comfortable movement and mobility by naturally modulating inflammatory pathways.

Works With: Turmeric Extract and Green Lipped Mussel to provide comprehensive joint support through complementary inflammatory pathways.

A highly concentrated extract standardized to 95% curcuminoids, providing potent antioxidant support. Studied in dogs to help maintain normal inflammatory responses, support joint comfort, and promote healthy cellular function throughout the body.

Works With: Boswellia, Hydrolyzed Collagen, and Green Tea Extract to support multiple pathways for joint comfort and healthy inflammatory responses.

An enzyme derived from pineapple stem studied in dogs to help maintain normal inflammatory responses, support nutrient absorption, and promote comfortable recovery from physical activity.

Works With: Turmeric Extract to support inflammatory balance and increases bioavailability of collagen peptides (Type I and Type II).

A natural source of vitamin C that supports collagen synthesis and acts as a powerful antioxidant, helping protect joint tissues from oxidative stress and supporting the body's natural inflammatory response.

Works With: Glucosamine, Chondroitin, and Collagen for comprehensive cartilage and connective tissue support.

A naturally-occurring amino acid studied in dogs to support healthy heart muscle function and promote heart health.

Works With: Antioxidants like Vitamin E and Vitamin C for comprehensive support against oxidative stress in joints.

A fat-soluble antioxidant studied in dogs to help protect joint cartilage from oxidative damage and supports normal inflammatory responses in joints.

Works With: Curcumin, Boswellia, and other anti-inflammatories for comprehensive joint inflammation support.

An essential fat-soluble vitamin that supports calcium absorption and bone mineral metabolism, critical for maintaining healthy bones that support joint function. Unlike humans, dogs cannot synthesize vitamin D through sun exposure and must obtain it from their diet.

Works With: All other joint-supporting nutrients in the formula.

An essential mineral studied in dogs to support collagen synthesis, bone health, and normal muscle and nerve function.

Works With: Vitamin D3 and other structural support nutrients for comprehensive mobility support.

An essential trace mineral required for collagen synthesis and cartilage development. Zinc acts as a cofactor for enzymes involved in building and maintaining cartilage structure and supports the body's natural tissue repair processes.

Works With: Vitamin C, Glucosamine and Collagen for comprehensive cartilage support.

A natural source of phospholipids and choline that enhances the absorption of fat-soluble nutrients, including Vitamin E and Vitamin D3.

Works With: Vitamin E and Vitamin D3, enhancing their bioavailability for better support.

A standardized black pepper extract containing piperine that enhances the bioavailability and absorption of nutrients in the gastrointestinal tract. Helps joint-supporting ingredients reach effective levels in the body for better support.

Works With: Curcumin (Turmeric), Boswellia, and other botanicals to increase their absorption and effectiveness.

  • Tag

    LESS HESITATION

    You'll probably notice less hesitation in movement first - things like more willingness to take the stairs. Nothing huge, just small stuff that makes you go "huh, that's better."

  • Tag

    MORE ENERGY

    Small but meaningful changes start. Their stamina gets better and walks can start going a bit longer.

  • Tag

    MORE PLAYFUL

    This is usually when people really notice something's changed. More interested in their toys. More enthusiastic when it's time to play. Movement looks easier.

  • Tag

    MORE COMFORT

    This is the new normal. Steadier movement, more energy day to day. You might notice stuff they'd stopped doing start coming back, like hopping on the couch or initiating play.

GOOD DAYS GUARANTEE

GOOD DAYS GUARANTEE

Most supplement guarantees give you 30 days. That's barely enough time for the ingredients to build up in your dog's system for real changes.

That’s why we offer a 90-day money-back guarantee instead. Because real improvements in mobility and comfort take consistency - and you deserve to see that process happen, risk-free.

If you don't see noticeable improvements within 90 days, we'll refund every cent.
No return needed.

SHOP GOOD STRETCH
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE
COMPLEMENTS FRESH DIETS
MADE IN USA
TESTED FOR POTENCY
90-DAY GUARANTEE

THE GOOD STUFF

THE GOOD STUFF

Glucosamine Sulfate

Glucosamine Sulfate

An amino sugar studied in dogs to support healthy cartilage structure and joint function.
Hydrolyzed Type I Collagen

Hydrolyzed Type I Collagen

Bioactive collagen peptides studied in dogs to help maintain healthy joints, tendons, and ligaments.
Hydrolyzed Type II Collagen

Hydrolyzed Type II Collagen

Specialized collagen peptides from chicken cartilage studied in dogs to support cartilage maintenance and joint function.
N-Acetyl Glucosamine (NAG)

N-Acetyl Glucosamine (NAG)

A specialized form of glucosamine studied in dogs to help build structural components of healthy cartilage and connective tissue.
Chondroitin Sulfate

Chondroitin Sulfate

Studied in dogs to support joint structure and help maintain healthy cartilage integrity.
MSM

MSM

Methylsulfonylmethane: An organic sulfur compound that supports connective tissue formation and collagen synthesis.
PEA

PEA

Palmitoylethanolamide: A naturally-occurring fatty acid studied in dogs to help maintain normal inflammatory responses and support nerve comfort.
Vitamin B Complex

Vitamin B Complex

A natural, whole-food source of B-vitamins from organic quinoa sprouts that supports normal neurological function and nerve health.
Acerola Cherry

Acerola Cherry

One of nature's richest sources of vitamin C to support immune function and cellular health.
Vitamin E (d-alpha tocopherol)

Vitamin E (d-alpha tocopherol)

Studied in dogs to help protect joint cartilage from oxidative damage and supports normal inflammatory responses in joints.
Bromelain

Bromelain

Studied in dogs to help maintain normal inflammatory responses, support nutrient absorption, and promote comfortable recovery.
L-Taurine

L-Taurine

A naturally-occurring amino acid studied in dogs to support healthy heart muscle function and promote heart health.
Magnesium

Magnesium

An essential mineral studied in dogs to support collagen synthesis, bone health, and normal muscle and nerve function.
Zinc

Zinc

Essential trace mineral involved in skin, immune and cellular health. Studied in dogs to support T-cell activity and tissue repair.
  • ABOUT GOOD STRETCH
  • PRODUCT & INGREDIENTS

Good Stretch is formulated to support your dog’s joints, spine and nervous system. Its key ingredients are Hydrolyzed Collagen Types I and II, Glucosamine, Chondroitin, NZ Green Lipped Mussels and Palmitoylethanolamide (PEA) to help maintain healthy cartilage, normal inflammatory responses and designed for dogs who need dependable mobility support at any age.

Every dog is different, but many pet parents notice early signs of improvement within 2–4 weeks; things like looking more at ease during routine movement, including getting up from rest. More noticeable mobility improvements may appear around 6–8 weeks with consistent daily use.

Good Stretch can often be used alongside pain relief medications but we always recommend checking with your veterinarian first, especially if your dog is taking any pain-relief or long term medication.

Good Stretch is formulated with adult and senior dogs in mind. Puppies under 12 months should only use it under the guidance of a veterinarian to ensure it meets their developmental needs.

Good Stretch isn’t intended to treat or prevent medical conditions. It’s designed to support overall joint, spine and nerve health.

Type I and II Collagen support the structure of your dog’s joints, cartilage, and connective tissues. Hydrolyzed Collagen is collagen that’s been broken down into tiny peptides so it’s easier for the body to use and typically less reactive than whole proteins. Our collagen comes from bovine and avian sources, so if your dog has known sensitivities, it’s best to review the ingredient list with your veterinarian before starting any new supplement.

PEA is a naturally occurring fatty acid compound found in the body that helps support normal nerve function and comfort. The PEA in Good Stretch is generally well tolerated when used as directed.

Our Vitamin B Complex is a patented form (PANMOL® B-COMPLEX) that contains higher vitamin B content (100x higher than in whole grains). It supports energy metabolism, nerve function, and muscle function - all areas that naturally need more support as dogs get older.

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