Synovi G4 Joint Soft Chews for Dogs, 120 ct | EP Rx
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Synovi G4 Dog Joint Supplement Chews, 120-Count, for Dogs of All Ages, Sizes and Breeds

Item# 211389
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Synovi G4 Soft Chews Joint Supplement for Dogs are recommended to support joint function and flexibility and help strengthen joint cartilage in dogs as they age. Formulated with a synergistic blend of antioxidants in a highly palatable soft chew, Synovi G4 helps your dog maintain a healthy lifestyle. Powerful ingredients such as glucosamine, creatine, MSM, turmeric and boswellia serrata promote joint health, so getting older doesn't have to mean feeling older.

Key Benefits:

  • Hip and joint support for dogs of all ages, sizes, and breeds
  • Contains glucosamine for joint health and mobility support
  • Includes Boswellia serrata for healthy inflammatory response
  • Enriched with vitamin C, turmeric and other natural antioxidants
  • Treat-sized chews mean no hard-to-swallow pills


Active Ingredients (per 7.2 gram soft chew):
Glucosamine HCI (shellfish) 450 mg
Methylsulfonylmethane (MSM) 400 mg
Creatine Monohydrate 250 mg
Boswellia serrata Extract (containing 65% Boswellic Acids) 150 mg
Perna Canaliculus 150 mg
Proprietary blend of Dicalcium Phosphate, Citrus
Bioflavonoids, Ascorbic Acid (Vitamin C), Manganese Sulfate,
Grape Seed, Extract, Zinc Sulfate and Alpha Lipoic Acid
148 mg
Curcuma longa (Turmeric) 50 mg
Selenium (as L-Selenomethionine) 10 mcg
d-alpha Tocopheryl Acetate(Vitamin E) 25 IU


Cane Molasses, Corn Starch, Dried Poultry Liver, Glycerin, Lecithin, Mixed Tocopherols, Potassoum Sorbate, Soybean Oil, Sugar, and Wheat Flour.


Can be given during or after meal time.

Maintenance Recommendations
5 to 15 lb ½ chew every other day
16 to 30 lb ½ chew daily
31 to 60 lb 1 chew daily
61 to 100 lb 2 chews daily
Over 100 lb 2 ½ chews daily


For animal use only. Keep out of the reach of children and animals. In case of accidental overdose, contact a health professional immediately.


Store at room temperature. Available only through licensed veterinarians.


Synovi G4 builds upon the proven Synovi G3 matrix, a blend of various joint health ingredients, including glucosamine, manganese and Green-lipped mussel, which has sold over 250 million doses. (1) Synovi G4 is enriched with the naturally-derived ingredients turmeric, a potent antioxidant, and Boswellia serrata. Laboratory studies have shown that turmeric and Boswellia serrata help support a healthy inflammatory response. (2,3)

1. Reference on file. Bayer.

2. Safayhi H, Mack T, Sabieraj J, et al. (1992). J Pharmacol Exp Ther. 261(3):1143-1146.

3. Goel A, Kunnumakkara AB, Aggarwal BB. (2008). Biochem Pharmacol.75 (4):787-809.

Synovi G4 is based on the proven joint support matrix found in Synovi G3 which contains Perna canaliculus, also known as Green-lipped mussel, found off the coastal waters of New Zealand. Perna is a rich source of chondroitin as well as omega-3 fatty acids.
These two ingredients were added because they are not commonly found in traditional joint supplements and are known for a variety of health benefits. A growing body of evidence indicates that both Boswellia and Turmeric may be beneficial in the support of healthy joints, including cartilage and connective tissue, as well as a healthy inflammatory response.
Boswellia serrata, also known as Indian frankincense, is a large branching tree native to India, North Africa, and the Middle East. The tree’s resin contains boswellic acids, which have shown in laboratory studies to support a healthy inflammatory response1 and promote joint health. Boswellia serrata may also help with occasional discomfort and joint stiffness due to daily activity.


Review Summary
1 Reviews
100% (1)
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100% Recommend this product (1 of 1 responses)
North Liberty, Iowa
Aa palatable supplement
February 6, 2022
This is a supplement that my 14 year old dog will take.

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