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Also Known as Caninsulin

What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


Vetsulin is a veterinary insulin product formulated to manage diabetes mellitus in both dogs and cats. It is a porcine insulin zinc suspension that closely mimics the natural insulin response in animals, ensuring that your pet maintains a balanced blood sugar level. With its unique formulation Vetsulin has become a trusted choice for veterinarians and pet owners.

Before you buy Vetsulin for the managing diabetes mellitus for your dog or cat, it is crucial that you talk to your veterinarian about effectiveness and Vetsulin cost.

Buy Vetsulin online from online Canadian Pharmacy |


Shake the vial gently until the suspension appears uniformly milky.

Draw the required dose into a U-40 insulin syringe.

Administer subcutaneously (under the skin) as directed by your veterinarian.

Monitor your pet's blood sugar levels regularly.


The active ingredient in Vetsulin is porcine insulin zinc suspension.


Only use Vetsulin for dogs or cats with U-40 syringes.

Do not use if the solution appears clear or contains clumps.

Do not use in pets with a known allergy to pork or any other ingredient in Vetsulin.


Some drugs may interact with Vetsulin. These include beta-blockers, diuretics, steroids, and thyroid hormones.

Side Effects

While Vetsulin is generally safe, some side effects may occur, such as:

  • Low blood sugar
  • Swelling or redness at the injection site
  • Changes in appetite
  • Vomiting or diarrhea
  • Lethargy

Remember, these are not exhaustive lists, and it's important to consult with a healthcare professional for personalized advice and guidance. If you prefer, you may contact the U.S. Food and Drug Administration (FDA) directly. Visit or call 1-800-FDA-1088

Frequently Asked Questions about Vetsulin

How is Vetsulin different from insulin?

Vetsulin is a type of insulin specifically formulated for animals. While it is derived from porcine sources, it is designed to mimic the natural insulin response in pets, making it more effective for managing diabetes in dogs and cats compared to human insulin.

What type of insulin is Vetsulin?

Vetsulin is a porcine insulin zinc suspension. It is a U-40 insulin, meaning it contains 40 units of insulin per milliliter.

What is a substitute for Vetsulin?

There are other veterinary insulins available, such as Caninsulin and ProZinc. However, it is essential to consult with your veterinarian before switching insulins as they may have different dosing requirements and effects.

Is Vetsulin the same as Lantus?

No, Vetsulin and Lantus are not the same. Lantus is a long-acting human insulin, while Vetsulin is a veterinary insulin derived from porcine sources.

What is the best insulin for dogs?

The best insulin for dogs depends on the individual needs of the dog. Vetsulin is a popular choice due to its efficacy and safety profile. Always consult with your veterinarian to determine the best insulin for your pet's specific needs.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.