VetriScience GlycoFlex II Chicken Liver Flavored Soft Chews Joint Supplement for Dogs
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Clinically Proven Joint Support
GlycoFlex gives your dog comprehensive joint support for mobility, flexibility and everyday comfort in the form of a delicious treat that she'll actually want to eat. Available in both tablets and bite-sized chews, GlycoFlex is recommended by veterinarians to provide joint support at every stage of your pet's life.


Formulated to Support a Lifetime of Healthy Joints
GlycoFlex 1 s a great proactive joint supplement for growing and active dogs.
GlycoFlex 2 has higher levels of glucosamine and is recommended for adult or maturing dogs.
GlycoFlex 3 is an extra-strength formula for dogs in need of maximum joint support.
GlycoFlex Classic is an introductory hip and joint health supplement that supports proper joint and connective tissue growth and function in dogs of all ages.
GlycoFlex Plus provides advanced support to help cushion joints, promote cartilage building and alleviate discomfort caused by normal daily activities.
Time-Tested Ingredients
GlycoFlex uses time-tested active ingredients to provide support for joint mobility, flexibility and overall comfort. Perna canaliculus, or green-lipped mussel, is found in every formula to help maintain healthy connective tissue. Glucosamine helps build healthy cartilage, and MSM is included as a necessary ingredient for forming connective tissue in the joints.

About VetriScience
As the makers of GlycoFlex and an extensive line of pet supplements, VetriScience Laboratories is a leader in the pet health industry. For over 40 years, VetriScience has led the way by providing exceptional and innovative supplements created for the health and well-being of companion animals. They are committed to using only pure and highly researched ingredients to produce quality products that are safe and effective.
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Customer Rating | |||||
Price | $29.50Chewy Price | $27.00Chewy Price | $42.75Chewy Price | $25.00Chewy Price | $35.00Chewy Price |
Autoship | $28.02Chewy Price | $25.65Chewy Price | $40.61Chewy Price | $23.75Chewy Price | $33.25Chewy Price |
Top Ingredients | Active Ingredients: (Per 2 Chews) Glucosamine HCl (Shrimp and Crab), Perna Canaliculus (Glycomega Brand Green Lipped Mussel), Methylsulfonylmethane (MSM)... | Active Ingredients: (Per 2 Chews) Perna Canaliculus (Glycomega Brand Green Lipped Mussel) (600 mg), Glucosamine HCl (Shrimp and Crab) (500 mg), N... | Active Ingredients: (Per 2 Chews) Glucosamine HCl (Shrimp and Crab), Methylsulfonylmethane (MSM), Perna Canaliculus (Glycomega Brand Green Lipped Mussel)... | Active Ingredients: Glucosamine Hci (Shrimp and Crab), Perna Canaliculus (Glycoomega Brand Green-Lipped Mussel), Chondroitin Sulfate (Porcine)... | Active Ingredients: (Per Tablet) Glucosamine HCl (Shrimp and Crab), Perna Canaliculus (Glycomega Brand Green Lipped Mussel), Methylsulfonylmethane (MSM)... |
Breed Size | Small Breeds, Medium Breeds, Large Breeds... | Small Breeds, Medium Breeds, Large Breeds... | Small Breeds, Medium Breeds, Large Breeds... | Small Breeds, Medium Breeds, Large Breeds... | Small Breeds, Medium Breeds, Large Breeds... |
Health Feature | Hip & Joint Support | Hip & Joint Support | Hip & Joint Support | Hip & Joint Support | Hip & Joint Support |
Food Flavor | Chicken, Liver, Poultry, Meat | Chicken, Liver, Poultry, Meat | Chicken, Poultry | Duck, Poultry | Chicken, Poultry |
Special Diet | N/A | N/A | N/A | N/A | N/A |
Food Form | Supplement | Supplement | Supplement | Supplement | Supplement |
15 Customer Questions
So my working GSD is 10 months old, and 81lbs. Currently he gets stage 1 glycoflex. When do I switch to stage 2 then stage 3??
Also is this okay to use with victor brand dog food, that already has glucosamine in it?
Answer by • Sep 20, 2017
The GlycoFlex Program has 3 stages. There is not a definitive time frame to change from Stage 1 to Stage 2 or from Stage 2 to Stage 3. When it is noticed that your pet is showing signs of discomfort or having limited mobility, it's recommended to proceed to the next stage. For any assistance in determining if your pet needs to change stages or for combining supplements, we recommend consulting your Veterinarian, who is familiar with your pet, for the safest opinion.
DOES GLYCOFLEX 2 HAVE A HIGH CALORIE CONTENT? MY POODLE IS ALWAYS BORDERLINE ON HER WEIGHT AND DOESN'T NEED THE EXTRA CALORIES. I CAN ADJUST HER OTHER FOOD INTAKE IF I KNOW.
Answer by • Feb 09, 2019
These supplements contain 24 Calories per chew.
My yorkie only weighs 4 lbs and has bad joints. He limps all of the time. Are these safe to use for such a small dog? If so, should I break them up and only give him part of one? Thanks.
Answer by • Feb 04, 2019
This supplement is suitable for all dog breeds. It's recommended to give dogs under 30 pounds one chew a day.
Is it better to give the product after the night meal or after morning meal?
Answer by • Apr 22, 2022
This chew can be given during either morning or evening meal times. If giving more than 1 chew daily, it is recommended to divide dosage for AM and PM.