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Glyco-Flex

Glyco-FlexGlyco-Flex is an innovative formulation for dogs with abnormal joint conditions. All products contain glucosamine and extract of perna mussel plus Dimethylglycine (DMG), an antioxidant thought to aid in oxygen utilization and circulation in the joints. Smoke flavored tablets. For dogs.

Glyco-Flex I is recommended by veterinarians for puppies, adult dogs, and breeds predisposed to hip and joint dysfunction.

Glyco-Flex II is formulated for adult and maturing dogs, especially sporting and working breeds. Additional ingredients include methylsulfonylmethane (MSM) and manganese, a mineral synergist of glucosamine.

Glyco-Flex III is for geriatric and retired working and sporting breeds. This powerhouse adds the bioflavonoid grape seed extract, and the powerful antioxidants Vitamins C & E, L-Glutathione, and Selenium, all which fight environmental effects on a cellular level.

Comparison between old and new formulas




Glyco-Flex Series


Glyco Flex I
Glyco Flex I

Glyco Flex II for Dogs
Glyco Flex II for Dogs

Glyco Flex III for Dogs
Glyco Flex III for Dogs


Glyco-Flex I for Puppies & Adult Dogs


Glyco Flex I (90 Tablets)
Glyco Flex I (90 Tablets)

($32.99)  $26.99
Glyco Flex I (120 Tablets)
Glyco Flex I (120 Tablets)

($64.99)  $29.99
Glyco Flex I 2-PACK (240 Tablets)
Glyco Flex I 2-PACK (240 Tablets)

($74.99)  $56.89
Glyco Flex I 3-PACK (360 Tablets)
Glyco Flex I 3-PACK (360 Tablets)

($110.99)  $84.99
Glyco Flex I 6-PACK (720 Tablets) + FREE Joint Treats!
Glyco Flex I 6-PACK (720 Tablets) + FREE Joint Treats!

($218.99)  $169.99
Glyco Flex I (120 Bite-Sized Chews)
Glyco Flex I (120 Bite-Sized Chews)

($28.99)  $22.79
3 PACK Glyco Flex I (360 SOFT CHEWS) FREE Joint Treats
3 PACK Glyco Flex I (360 SOFT CHEWS) FREE Joint Treats

($81.99)  $53.59
6 PACK Glyco Flex I (720 SOFT CHEWS) FREE Joint Treats
6 PACK Glyco Flex I (720 SOFT CHEWS) FREE Joint Treats

($168.99)  $106.99
Glyco Flex I (180 SOFT CHEWS)
Glyco Flex I (180 SOFT CHEWS)

($32.99)  $25.99

Glyco-Flex II for Adult & Maturing Dogs


Glyco Flex II (120 Tablets)
Glyco Flex II (120 Tablets)

($83.99)  $39.89
Glyco Flex II 2-PACK (240 Tablets)
Glyco Flex II 2-PACK (240 Tablets)

($99.99)  $75.79
Glyco Flex II 3-PACK (360 Tablets)
Glyco Flex II 3-PACK (360 Tablets)

($153.99)  $113.69
Glyco Flex II 6-PACK (720 Tablets) + FREE Joint Treats!
Glyco Flex II 6-PACK (720 Tablets) + FREE Joint Treats!

($304.99)  $226.99
Glyco Flex II (60 SOFT CHEWS)
Glyco Flex II (60 SOFT CHEWS)

($22.99)  $17.39
Glyco Flex II (120 Bite-Sized Chews)
Glyco Flex II (120 Bite-Sized Chews)

($37.99)  $31.59
3 PACK Glyco Flex II (360 SOFT CHEWS) FREE Joint Treats
3 PACK Glyco Flex II (360 SOFT CHEWS) FREE Joint Treats

($109.99)  $72.99
6 PACK Glyco Flex II (720 SOFT CHEWS) FREE Joint Treats
6 PACK Glyco Flex II (720 SOFT CHEWS) FREE Joint Treats

($215.99)  $145.89
Glyco-Flex II Soft Chews for CATS (60 CHEWS)
Glyco-Flex II Soft Chews for CATS (60 CHEWS)

($17.99)  $9.49
GLYCO-FLEX II EQ 120 Servings (5.55 lbs)
GLYCO-FLEX II EQ 120 Servings (5.55 lbs)

($203.99)  $70.39

Glyco-Flex III for Retired & Geriatric Dogs


Glyco Flex III (120 Tablets)
Glyco Flex III (120 Tablets)

($104.99)  $45.79
Glyco Flex III 2-PACK (240 Tablets)
Glyco Flex III 2-PACK (240 Tablets)

($126.99)  $86.89
Glyco Flex III 3-PACK (360 Tabs) + FREE Joint Treats!
Glyco Flex III 3-PACK (360 Tabs) + FREE Joint Treats!

($188.99)  $129.99
Glyco Flex III 6-PACK (720 Tablets) + FREE Joint Treats!
Glyco Flex III 6-PACK (720 Tablets) + FREE Joint Treats!

($374.99)  $259.99
Glyco Flex  III (120 Bite-Sized Chews)
Glyco Flex III (120 Bite-Sized Chews)

($45.99)  $33.99
3 PACK Glyco Flex III (360 SOFT CHEWS) FREE Joint Treats
3 PACK Glyco Flex III (360 SOFT CHEWS) FREE Joint Treats

($128.99)  $82.39
6 PACK Glyco Flex III (720 SOFT CHEWS) FREE Joint Treats
6 PACK Glyco Flex III (720 SOFT CHEWS) FREE Joint Treats

($259.99)  $164.69
Glyco Flex III Canine Mini Bite-Sized Chews (60 count)
Glyco Flex III Canine Mini Bite-Sized Chews (60 count)

($19.99)  $10.89
Glyco Flex III Feline Bite-Sized Chews (60 count)
Glyco Flex III Feline Bite-Sized Chews (60 count)

($18.99)  $10.89

Other Glyco-Flex Products


Glyco Flex 300
Glyco Flex 300

Glyco Flex Classic
Glyco Flex Classic

Glyco-C-Mine
Glyco-C-Mine

Glyco Flex I For Cats (45 Tablets)
Glyco Flex I For Cats (45 Tablets)

($6.99)  $3.89
Glyco Flex II For Cats (45 Tablets)
Glyco Flex II For Cats (45 Tablets)

($12.99)  $11.59
GlycoFlex II Equine (212 Servings)
GlycoFlex II Equine (212 Servings)

($179.99)  $174.89
Glyco Flex Soft Chews
Glyco Flex Soft Chews


Glyco-Flex I for Cats is made from pure freeze-dried Perna canaliculus (New Zealand Green-Lipped Mussel). Perna contains all major classes of glycosaminoglycans (GAGs) including Chondroitin -4- and -6- Sulfates. GAGs are referred to as the "glue of life" and make up the core of all connective tissue. The Perna in Glyco-Flex® I for Cats is also rich in amino acids, naturally chelated minerals, numerous enzymes, vitamins and nucleic acids (RNA and DNA).

GLYCO-FLEX® I FOR CATS

  • Contains 300 mg of Perna for cats
  • Maintenance of joint and connective tissue health
  • Perna provides factors for rebuilding and protecting joints in cats
  • For breeds predisposed to hip and joint dysfunction
  • Chewable tablets for easy administration
  • Available in a 45 count bottle
  • As with any animal supplementation, correct and consistent administration is essential.


  • Frequently Asked Questions
    5.00 rating based on 1 review
    Featured Reviews for Glyco Flex I For Cats (45 Tablets)
    Cats love them. by Cresentia from Pittsburgh, PA06/23/2013

    My cats gobble these up. Seems to be helping older cats somewhat....little more energy or easier to move around maybe. They are not to point where they need glyco flex II.

    Featured Reviews for Glyco Flex III for Dogs
    Great for Joints! by Deborah from Knoxville, TN01/06/2012

    Glyco-Flex is a great product as it relieves my dogs joint problems She is 13 years old now and on Glyco-Flex III. At 11 she was treated by a vet and placed on Glyco-Flex II. Although it took about two weeks to see results, she stopped limping. She just recently moved to Glyco-Flex III due to her advancing age. I give one tablet a day and she is 65 pounds. I am very happy with this product and would recommend it to anyone who has a dog with joint issues.

    Great Product by GreytDawg from Crown Point, IN03/27/2012

    My 11.5 yr old Collie takes Glcyo-Flex III and I can see a real difference in her since she's been on it. She doesn't strain as much when getting up and she loves them....takes them like a treat. I highly recommend Glyco-Flex to friends and clients (I'm a dog trainer).

    Taste by Tara10/13/2011

    A friend had recommended the product to me. I basically wasted $45. I have tried breaking them into pieces, putting peanut butter, cream cheese, and cat food on them, and basically any other food to disguise the pill and she still will not eat them. I have a lab who will eat anything. I wish that there would have been a smaller bottle that I could have tried first before spending that much money.

    Its never in stock ! by DogFather from NY02/10/2012

    EntirelyPets has consistently advertised this product in stock, and when you place the order they never notify you that it is not in stock. That has been my experience, when you pay for 2-3 day shipping you may not get the product for a week. When I emailed the owner to call me it was ignored.

    It works for Madeline! by Karen03/22/2012

    Glyco-Flex III has worked for my 13 year old basset for the last 4 years. It helps her move more easily without pain.

    Best Product for Joint or Ligament Pain by acterrier from San Francisco, CA10/16/2011

    I have used this product for over 20 years. Having raised and shown purebred dogs, I've seen torn cruciate ligaments as well as aging and joint arthritis. This product has always resulted in significant improvement in movement and pain reduction. I always turn to it first. It was recommended to me by another breeder. I've also recommended it to puppy buyers who have had the same result. I highly recommend it.

    Featured Reviews for Glyco Flex I For Cats (45 Tablets)
    Cats love them. by Cresentia from Pittsburgh, PA06/23/2013

    My cats gobble these up. Seems to be helping older cats somewhat....little more energy or easier to move around maybe. They are not to point where they need glyco flex II.



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