Rejensa Joint Care Chews for Dogs are clinically proven to deliver fast, effective joint support. Each chew contains
Gluco Blu (N-Butyryl Glucosamine), a proprietary and more bioavailable form of glucosamine that helps improve mobility and comfort.
Unlike traditional joint supplements, Rejensa begins to show results in as little as 16 days*, making it the ideal choice for pet owners
who want fast, visible improvement in their dog’s joint health.
Recommended by veterinarians, Rejensa is ideal for daily use and is formulated to support joint function, cartilage health, and overall mobility
in dogs of all breeds and sizes. The tasty, soft chews are easy to administer and loved by dogs, making joint care simple and enjoyable.
For more details, view the official product guide:
Rejensa Product Detailer (PDF).
Key Features:
Fast-Acting Formula: Noticeable improvement in joint comfort and mobility within 16 days of daily use.*
Powered by Gluco Blu: A next-generation, N-Butyryl Glucosamine that delivers superior absorption and effectiveness over traditional glucosamine.
Veterinarian Recommended: Clinically tested and backed by vets for supporting joint health in aging or active dogs.
Supports Joint Structure: Helps maintain healthy cartilage and lubricated joints for smoother, pain-free movement.
Tasty & Convenient: Soft chew format is easy to administer and palatable for even picky dogs.
Safe for Long-Term Use: Formulated for daily supplementation with proven safety and efficacy.
When to Use Rejensa:
Rejensa is ideal for dogs showing signs of joint discomfort or age-related mobility decline. Look for these common symptoms:
Reluctance to climb stairs or jump
Stiffness or difficulty rising from rest
Lagging behind on walks or reduced playfulness
Behavioral changes like irritability or withdrawal
Increased sleeping or less enthusiasm for activity
Ingredients
Active Ingredient (per chew):
N-Butyryl Glucosamine (Gluco Blu®): 100 mg – A patented, fast-acting form of glucosamine that supports joint function and mobility.
Inactive Ingredients:
Hydrolyzed vegetable protein
Powdered cellulose
Natural flavor
Soy lecithin
Canola oil
Glycerin
Mixed tocopherols (preservative)
Citric acid
Directions
Dog’s Weight
Number of Chews per Day
Days Supplied (30-Chew Jar)
Days Supplied (60-Chew Jar)
Up to 29 lbs
½
60 Days
120 Days
30 to 59 lbs
1
30 Days
60 Days
60 to 89 lbs
1½
20 Days
40 Days
90 to 120 lbs
2
15 Days
30 Days
Directions for Use:
Administer orally once daily according to your dog’s weight.
Use the following guideline unless directed otherwise by your veterinarian:
Dogs under 15 lbs: ½ chew daily
Dogs 15–30 lbs: 1 chew daily
Dogs 31–60 lbs: 2 chews daily
Dogs over 60 lbs: 3 chews daily
For best results, provide consistently every day.
No loading dose required.
Cautions:
For use in dogs only.
Not intended for use in pregnant or breeding animals.
Consult your veterinarian before use if your dog has a medical condition or is on medication.
Discontinue use and consult your veterinarian if adverse reactions occur.
Keep out of reach of children and other animals.
Storage:
Store at room temperature between 68°F–77°F (20°C–25°C).
Keep container tightly closed to preserve freshness.