VetriScience GlycoFlex Stage 3 Joint Supplement for Dogs (60 bite sized chews)

VetriScience SKU: 0900569.060


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VetriScience GlycoFlex Stage 3 Joint Supplement for Dogs

GlycoFlex 3 Bite-Sized Chews represent the third stage in our comprehensive life stages joint support program for dogs, and is recommended for dogs in need of maximum joint support. It is also recommended by veterinarians for geriatric and working dogs and as a follow-up to support normal recovery after orthopedic surgery. This formula contains higher levels of glucosamine, MSM, manganese, and DMG, and includes grape seed extract and L-glutathione for added support. GlycoFlex 3 is designed to support joint comfort, flexibility, and mobility.


  • CLINICALLY PROVEN: Glycoflex 3 is the highest strength hip and joint supplement for dogs and is clinically proven to increase hind leg strength in dogs by up to 41% in just 4 weeks. Glycoflex has been trusted by veterinarians for over 40 years.
  • ADVANCED JOINT SUPPORT: Glycoflex 3 combines 11 active ingredients, including Perna canaliculus, glucosamine, MSM, DMG, and antioxidants to support your dog’s joints and connective tissue.
  • MAXIMUM STRENGTH: Glycoflex 3 is our highest strength formula, and is recommended for working dog breeds, active dogs, and senior dogs showing signs of joint health problems.
  • REAL CHICKEN: Our bite sized chews are made with naturally sourced ingredients and real chicken for a yummy taste your dog will love.
  • MADE IN THE USA: At VetriScience Laboratories, our mission is to help pets live happier, healthier lives. That's why all of our products are made with care right here in the USA and formulated by veterinarians.

Directions For Use

Weight Daily Feeding
Up to 30 lbs. 1 chew daily
31 ‒ 60 lbs. 2 chews daily
61 ‒ 100 lbs. 4 chews daily
101 lbs. and over 5 chews daily


Maintenance (After initial period)

Up to 30 lbs. 1 chew every other day
31 ‒ 60 lbs. 1 chew daily
61 ‒ 100 lbs. 2 chews daily
101 lbs. and over: 3 chews daily

If giving more than 1 chew daily, divide between AM and PM

Active Ingredients

Glucosamine HCl (Shrimp and Crab) 1000 mg
Methylsulfonylmethane (MSM) 1000 mg
Perna canaliculus (GlycOmega™ brand Green Lipped Mussel) 600 mg
N-N-Dimethylglycine HCl (DMG) 100 mg
dl-alpha Tocopheryl Acetate (Vitamin E) 50 IU
Ascorbic Acid (Vitamin C) (Chew) 24 mg
Manganese (as Mn Proteinate) 10 mg
Grape Seed Extract 5 mg
L-Glutathione 2 mg
Selenium (as Sodium Selenite) 0.002 mg

Inactive Ingredients

Arabic gum, brewer's yeast, calcium sulfate, canola oil, citric acid, glycerin, hydrolyzed chicken liver flavor, maltodextrin, mixed tocopherols, pectin, propionic acid, rosemary extract, silicon dioxide, sodium alginate, sorbic acid, soy lecithin, vegetable oil, water.

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