BD Nano Pro® Pen Needles Ultrafine

BD Nano Pro® pen needles are 32G x 4 mm single-use needles made for insulin and certain GLP-1 injection pens. This page explains features, safe technique, and how to order with Canadian pricing. Your order ships from Canada to the US with prompt, express shipping, and you can compare options if paying without insurance.

CanadianInsulin connects patients with licensed Canadian pharmacies. Prescriptions are verified with your clinic before dispensing.

What BD Nano Pro® Is and How It Works

BD Nano Pro pen needles are short, thin needles designed for comfortable subcutaneous injections. The 4 mm length helps place medicine into the fatty layer under the skin, reducing the chance of intramuscular injections. The 32 gauge diameter is very fine, which many users find gentle on the skin.

These needles screw onto most major insulin and GLP-1 pens that accept standard thread pen needles. After attaching a new needle, you prime the pen as directed, select your dose, and inject at a right angle to the skin. The short 4 mm length is suitable for adults and children when used with correct technique.

BD Nano Pro is part of the BD Ultra-Fine family. You may see it described as BD Ultra-Fine Nano Pro 32G 4 mm pen needles or BD Ultra-Fine Nano Pro 4 mm needles for pens. Product labeling indicates they are sterile, single-use, and not made with natural rubber latex.

Who BD Nano Pro® Is For

These needles are for people who use insulin or certain GLP-1 pens that require screw-on pen needles. A 4 mm needle is often chosen to help keep injections in the fat layer, which is important for consistent absorption. Many adults, teens, and children can use a 4 mm length with a 90-degree angle.

Do not use if your clinician has advised a different needle length or technique. Avoid use if you have a known sensitivity to any component of the needle. People with bleeding disorders or those on blood thinners can still use pen needles but may bruise more easily; discuss any concerns with your clinician. Never share pen needles or pens with anyone, including family members.

Dosage and Usage

Pen needles do not change your dose. Your medication and pen determine the dose. Use a new sterile BD Nano Pro needle for every injection. General steps:

1. Wash and dry your hands. Gather supplies.
2. Attach a new needle to your pen securely. Remove the outer cap and the inner cap.
3. Prime the pen as the manufacturer directs, often 2 units or a similar small amount, until you see a drop at the needle tip.
4. Dial the prescribed dose.
5. Choose a recommended injection site and rotate sites with each injection.
6. Insert the 4 mm needle at 90 degrees. A skinfold may be advised for children or very lean users; follow your clinician’s guidance.
7. Press and hold the injection button until the dose window returns to zero, then keep the needle in place for up to 10 seconds or as directed to ensure full delivery.
8. Remove the needle straight out. Carefully recap with the outer cap only and unscrew. Place the used needle in a sharps container.

For a visual walk-through, see our step-by-step article Use Insulin Pen.

Strengths and Forms

BD Nano Pro is available as 32G x 4 mm pen needles. Common packaging includes BD Nano Pro pen needles 100 count 32G 4 mm and BD Nano Pro pen needles 90 count 32G 4 mm. You may also see descriptions like BD Nano Pro 32 gauge 4 mm pen needles, BD Nano Pro ultra fine pen needles 32G 4mm, or BD Ultra-Fine Nano Pro pen needle 4 mm 32G. Availability can vary by package size and region.

Missed Dose and Timing

If you miss an injection, follow your medication’s label or the plan from your clinician. Do not reuse a needle to catch up. Use a new sterile needle for the next injection. Do not double your dose unless your clinician has told you to. If you are unsure what to do after a missed dose, check the official drug label or call your care team.

Storage and Travel Basics

Keep unused pen needles clean, dry, and at room temperature. Store them in the original box to protect sterility. Avoid excess heat, cold, or direct sunlight. Keep out of reach of children and pets.

When traveling, carry extras in your hand luggage and pack a sharps container or a travel-safe alternative approved in your area. If you also use vials, a protective case like the Vial Safe Insulin Protector can help prevent breakage. Review airport rules in advance; our article on TSA screening covers tips for needles, pens, and supplies: TSA Guidelines.

Pen Handling and Sharps Disposal

Use a new BD pen needle for every injection. This supports comfort and helps reduce contamination, clogs, and dullness. Reusing can increase pain and raise the risk of skin changes at injection sites.

• Recap with the outer cap only before removing the needle from the pen.
• Place used needles in an FDA-cleared sharps container right away.
• Do not throw loose needles into household trash or recycling.
• Follow local rules for sharps disposal or ask your pharmacy or clinic.

For more technique and size selection tips, see our overview: Pen Needles Guide.

Benefits

BD Nano Pro pen needles offer a short 4 mm length for subcutaneous delivery and a fine 32G diameter designed for comfort. The size can help reduce the chance of intramuscular injections and supports consistent dosing when used correctly. They are compatible with most standard-thread pens and are packaged for convenient daily use.

People often choose 32G x 4 mm BD Ultra-Fine Nano Pro diabetic pen needles for a simple, straight 90-degree technique. The compact length may be useful for children and adults across many body types when guided by a clinician.

Side Effects and Safety

• Mild pain or stinging at the injection site
• Small drop of blood or bruising
• Redness, itching, or minor swelling
• Skin irritation from repeated injections

Serious issues are uncommon but can include infection, significant bleeding, or a broken or deeply embedded needle if technique is incorrect. Seek medical help if you notice spreading redness, warmth, pus, fever, or severe pain. When used with insulin or certain diabetes medicines, the needle itself does not cause low blood sugar, but insulin can. Know the signs of hypoglycemia and follow your clinician’s plan.

Drug Interactions and Cautions

Pen needles are medical devices and do not have drug interactions. Still, use caution if you have a bleeding disorder or take blood thinners. Use only once. Do not share with others. Inspect the sterile seal before use; do not use if the package is damaged. BD labeling indicates these needles are not made with natural rubber latex.

What to Expect Over Time

With consistent technique and site rotation, most people find injections manageable and quick. Using a fresh needle each time supports comfort and reliable dosing. Over time, you and your care team can fine-tune sites and routines to fit your day while reducing the chance of lumps or irritation.

Compare With Alternatives

If you use vials rather than pens, a syringe option such as BD® Ultrafine II Syringes may fit your routine. If you prefer reusable pens that take cartridges, consider the Novopen® 4 Novo Nordisk paired with compatible insulin cartridges. Your clinician can recommend the format that best matches your dosing and dexterity needs.

Pricing and Access

See the current BD Nano Pro pen needles price on this page and compare box sizes. Many patients choose Canadian pricing for cash pay or out-of-pocket purchases. US delivery from Canada helps you access supplies at transparent costs. Checkout is protected with encrypted processing. For a broader look at accessories and tools, explore our Diabetic Insulin Supplies.

Looking for seasonal offers or education-based promotions? Visit our promotions page.

Availability and Substitutions

If a specific BD Nano Pro 32G x 4 mm box of 100 or 90 is unavailable, your prescriber may suggest an alternative size or another compatible pen needle brand. If your regimen changes to vials, you can review fast-acting options such as Novorapid Vials and discuss the switch with your clinician.

Patient Suitability and Cost Saving Tips

BD Nano Pro pen needles 32G 4 mm ships to US addresses from Canada. They are suited to many people using insulin pens or GLP-1 pens that accept standard needles. You may not be a candidate if you require a different needle length for clinical reasons or cannot safely self-inject.

• Ask your clinician if 32G x 4 mm is right for you.
• Order multi-month quantities to reduce per-box costs when appropriate.
• Rotate sites to maintain skin health and reduce waste from damaged needles.
• Set refill reminders so you do not run out unexpectedly.
• Compare BD Nano Pro 32G 4 mm box of 100 with 90-count packs to match your schedule.

Questions to Ask Your Clinician

• Is a 32G x 4 mm pen needle appropriate for my body type?
• Should I pinch a skinfold for my injections?
• How long should I keep the needle in the skin after pressing the dose button?
• Which sites should I use and how should I rotate them?
• What are signs of injecting too shallow or too deep?
• How many boxes should I keep on hand for travel and daily use?
• What is the plan if I miss a dose of my medication?

Authoritative Sources

• BD Nano Pro Product Family
• FDA Safe Sharps Disposal

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