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We offer competitive pricing on all our medications. Find a lower price? We'll match it from any verified Canadian online pharmacy! Know More
Ordering your medication online is simple and convenient.
Select the prescribed dosage and quantity, then proceed to checkout.
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Select the prescribed dosage and quantity, then proceed to checkout.
Sign in or create a new account.
Upload your prescription.
Complete your purchase by processing the payment.
Shipping takes approximately 3-5 business days.
Levemir PenFill Cartridge is a long-acting insulin used to help control high blood sugar in people with Type 1 and Type 2 diabetes. It contains insulin detemir, a synthetic form of a hormone your body needs to regulate blood glucose (sugar). The PenFill cartridge formulation provides a consistent, slow-release of insulin that helps maintain stable blood sugar throughout the day.
Levemir PenFill Cartridge does not treat sudden high blood sugar and is not used for diabetic ketoacidosis (DKA). Because diabetes management is individualized, careful monitoring and consistent use are important. Licensed Canadian pharmacies can dispense these cartridges with a valid prescription.
| Product Name | Levemir PenFill Cartridge |
|---|---|
| Active Ingredient | Insulin detemir |
| Drug Category | Long‑acting insulin analog |
| FDA Approval Status & Date | Approved for diabetes mellitus (2005) |
| Available Forms | 3 mL PenFill cartridge (for reusable pens such as NovoPen) |
| Strengths Available | 100 u/mL (300 units per cartridge) |
| Dosage Information | Individualized; typically once or twice daily, depending on patient needs |
| Administration | Subcutaneous injection only |
| Injection Sites | Abdomen, thigh, or upper arm (rotate sites to avoid lipodystrophy/amyloidosis) |
| Uses | Improves glycemic control in adults and children with type 1 or type 2 diabetes |
| Limitations of Use | Not recommended for diabetic ketoacidosis (DKA); use IV rapid/short‑acting insulin instead |
| Pregnancy | Can be used if clinically indicated; insulin requirements may change during pregnancy |
| Pediatric Use | Approved for children ≥2 years for Type 1 diabetes (Type 2 pediatric use not approved) |
| Elimination Half‑Life | ~5-7 hours (duration of action up to 24 hours, dose‑dependent) |
| Storage (Unopened) | Refrigerate at 36°F-46°F (2°C-8°C); protect from light |
| Storage (In Use) | Keep it at room temperature (below 86°F / 30°C). Do not refrigerate once in use |
| Shelf Life (In Use) | Up to 42 days at room temperature |
| Freezing | Do not freeze; discard if frozen |
| Legal Status | Prescription only (Rx) |
| Manufacturer | Novo Nordisk |
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Use the injection technique exactly as instructed by your doctor or nurse, and carefully follow the instructions in the manual. Here are the usage guidelines on how to use the Levemir Penfill Cartridge for Type 1 and Type 2 diabetes management:
Levemir PenFill contains insulin detemir, a long-acting insulin that works by mimicking the body’s natural basal insulin. Once injected, insulin detemir binds to blood proteins, allowing it to be released slowly and evenly. This steady release helps lower blood glucose by improving cellular glucose uptake and reducing liver glucose production.
Head-to-head comparison table: Lantus (insulin glargine) and Levemir (insulin detemir)
| Attribute | Lantus (Insulin glargine) | Levemir (Insulin detemir) |
|---|---|---|
| Type | Long-acting basal insulin | Long-acting basal insulin |
| Dosing frequency | Usually once daily | Once daily or twice daily, depending on need |
| Efficacy (A1C lowering) | Similar to Levemir | Similar to Lantus |
| Hypoglycemia profile | Comparable overall; some reports of more nocturnal hypoglycemia vs Levemir | Clinical evidence of less nocturnal hypoglycemia vs Lantus |
| Weight effects | Weight gain possible | Some data suggest less weight gain |
| Injection site reactions | Generally low | May be slightly higher |
| Formulations/devices | Vials, prefilled pens; widely available | Vials, cartridges/pens |
| Conversion notes | 1:1 unit conversions are often used when switching from Levemir (clinical judgment required) | 1:1 unit conversions are commonly used when switching to Lantus (clinical judgment required) |
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Buying Levemir PenFill Cartridge from Polar Bear Meds allows patients in the U.S. to access authentic, prescription insulin from licensed Canadian pharmacies at significantly lower prices. Many patients often save up to 80-90% compared to U.S. retail pharmacy costs. For more savings, new customers can receive an extra 10% off their first order by using the coupon code WELCOMEPB10 at checkout.
Additional benefits include:
Secure ordering and prescription verification
Polar Bear Meds ships Levemir PenFill Cartridge from Canada directly to patients across the U.S. using reliable, trackable delivery services. What you can expect from Polar Bear Meds:
Here are the steps on how to order the Levemir online:
This content is for informational purposes only and does not replace any professional medical advice, diagnosis, or treatment. Always consult a licensed healthcare expert before starting, stopping, or changing Levemir dosages. Individual results, dosing, and Levemir side effects may vary.

Dr. Jackson Miller is a board-certified medicine physician & hospitalist. He is a healthcare professional with a strong background in patient care. With years of experience and a patient-first approach, he believes the foundation of good health is a patient who feels informed and empowered. He contributes to medical content review, drawing on his background in clinical practice and patient education. He focuses on presenting health information in a clear, accurate, and accessible way to help readers make informed decisions. His work emphasizes clarity, evidence-based guidance, and understandable explanations of medical topics.
Learn more about Levemir PenFill Cartridge and related topics

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