Please note: a valid prescription is required for all prescription medication.
Humalog Mix KwikPens are prefilled insulin pens used in diabetes care when a clinician wants both mealtime and intermediate insulin coverage in one product. You can buy Humalog Mix KwikPens online, view the current price, and choose the available strength that matches your clinician’s directions. The pen contains a premixed insulin suspension, so safe handling, consistent meal timing, and glucose monitoring all matter.
This premix combines insulin lispro with insulin lispro protamine. Insulin lispro begins working quickly around meals, while the protamine component extends activity for between-meal and overnight needs. Humalog Mix is injected under the skin before meals as directed by your diabetes care team; it is not used in an insulin pump or given intravenously.
Humalog Mix 75/25 Pen Price and Strength Selection
The Humalog Mix 75/25 pen price depends on the strength, quantity, and pack configuration shown during ordering. Many people using insulin compare out-of-pocket costs because monthly use can vary with dose, refill timing, and the number of pens needed. Current pricing is shown before checkout so you can align the product with your treatment plan and budget.
Humalog Mix KwikPen 100 units/mL is a common concentration for this premixed insulin pen. The current product information also references Humalog Mix 75/25 KwikPen 5 x 3 mL packaging for typical ongoing therapy, although pack availability can vary. Always match the insulin name, mix ratio, concentration, and quantity to the directions from your clinician before placing a refill.
If you are self-paying, calculate cost by the number of units used per day and the amount of insulin in each pen, not only by the pack price. A lower pack price may not reduce monthly cost if the quantity does not match your refill cycle. Keep enough time for temperature-sensitive handling and order planning, especially before travel or a change in dose routine.
How to Order Humalog Mix 75/25 Online
Order Humalog Mix 75/25 online by selecting the product strength and quantity that match your current treatment instructions. BorderFreeHealth connects U.S. patients with licensed Canadian pharmacies, and order details may be reviewed before the pharmacy supplies the medication. US delivery from Canada is available for this product.
Before completing an order, check the product name carefully. Humalog Mix 75/25, Humalog Mix 50/50, and standard Humalog are not interchangeable without clinician direction. The mix ratio changes how much rapid-acting and intermediate-acting insulin you receive, which can affect meal timing and glucose patterns.
Quick tip: Keep the pen box or a clear photo of the label when discussing refills, travel, or dose questions with your care team.
What This Premixed Insulin Treats
Humalog Mix is used to help improve blood sugar control in people with diabetes when a premixed insulin regimen is appropriate. It can be used in treatment plans for type 1 diabetes or type 2 diabetes when a clinician determines that combined rapid and intermediate coverage fits the person’s meals, activity, and monitoring pattern. For broader condition information, see our sections on type 1 diabetes and type 2 diabetes.
The product is intended for subcutaneous injection before meals. It should not be used for diabetic ketoacidosis, a serious condition that requires urgent medical care and closely supervised insulin treatment. It is also not designed for pump use, because the suspension contains a protamine component and must be handled as directed for a premixed insulin.
A premix can suit people who eat on a regular schedule and prefer fewer injections than separate mealtime and background insulin products. It may be less flexible for people who vary meal size, carbohydrate intake, or activity from day to day. Your clinician may ask you to track fasting, pre-meal, or bedtime readings to decide whether the mix matches your daily pattern.
How Humalog Mix Works
Humalog Mix 75/25 contains 75% insulin lispro protamine suspension and 25% insulin lispro injection. The insulin lispro portion is rapid acting and helps cover the glucose rise after food. The insulin lispro protamine portion acts more slowly and lasts longer, helping provide intermediate coverage after the mealtime effect begins to fade.
This is different from a standard Humalog KwikPen, which contains rapid-acting insulin lispro without the protamine component. Standard rapid-acting insulin is usually paired with a separate basal insulin when background coverage is needed. Humalog Mix combines both actions in one pen, which can simplify routines but may reduce meal-by-meal flexibility.
Because it is a suspension, Humalog Mix should look uniformly cloudy after proper resuspension according to the label instructions. Do not use the pen if the insulin has clumps, particles, discoloration, or does not mix as expected. If the pen has been frozen, overheated, or damaged, replace it and ask the pharmacy or clinician what to do next.
Using the KwikPen Safely
Use the pen only as instructed by your clinician and the official labeling. Typical use is timed shortly before meals, often within 15 minutes before eating, but your schedule may differ. Do not change dose timing or add extra injections unless your diabetes care team has given you a written plan.
Before each injection, wash your hands, attach a new needle, and prime the pen as directed. Dial the dose, inject into subcutaneous tissue, and keep the button pressed long enough for the full dose to be delivered. Remove the needle after the injection and place it in an appropriate sharps container.
Rotate injection sites across approved areas such as the abdomen, thigh, upper arm, or buttock. Repeated use of the same spot can cause lipodystrophy, which means thickened, pitted, or changed fatty tissue under the skin. Skin changes can affect how insulin is absorbed, so site rotation is part of reliable dosing.
- Use a new needle for every injection.
- Never share pens or needles, even if the needle is changed.
- Do not mix this insulin with other insulins inside the pen.
- Keep fast-acting glucose available in case of low blood sugar.
- Record readings as instructed so patterns can be reviewed safely.
Storage, Handling, and Travel
Unopened Humalog Mix KwikPens are typically stored in the refrigerator and protected from freezing. Once a pen is in use, it is commonly kept at room temperature for the time allowed by the label. Keep the cap on between uses, avoid direct heat and light, and do not store insulin in a car, checked luggage, or near ice packs that may freeze it.
Insulin products are temperature sensitive, so plan refills before your current supply runs low. Shipments may use prompt, express shipping when appropriate for the order and handling requirements. When your package arrives, inspect the product and storage instructions before placing unopened pens in the refrigerator.
For travel, carry insulin, needles, glucose monitoring supplies, and low-glucose treatment in your hand luggage. Bring more supplies than you expect to use in case of delays. A simple medical letter can help with airport screening, and an insulated pouch can help protect insulin from temperature swings.
Dispose of used needles in a puncture-resistant sharps container. Local disposal rules can vary, so follow community guidance for full containers. Keep all insulin, needles, and sharps containers away from children and pets.
Side Effects, Warnings, and Monitoring
Low blood sugar is the most important day-to-day safety concern with insulin. Symptoms can include shakiness, sweating, hunger, fast heartbeat, headache, dizziness, irritability, confusion, or weakness. Severe hypoglycemia can cause seizures, unconsciousness, or injury and needs urgent help.
Insulin may also cause injection-site redness, itching, swelling, or bruising. Weight gain can occur as glucose control improves. Repeated injections in the same area may cause skin thickening or pitting. Rare but serious allergic reactions can include rash, swelling, wheezing, or trouble breathing.
Humalog Mix can lower potassium levels, especially in people using other medicines that affect potassium. Fluid retention and heart failure risk may increase when insulin is used with thiazolidinediones, a class of diabetes medicine that includes pioglitazone and rosiglitazone. Beta blockers can make some low-blood-sugar warning symptoms harder to notice.
Alcohol, illness, stress, kidney problems, liver problems, changes in activity, and changes in eating patterns can alter insulin needs. Steroids, some diuretics, certain antipsychotics, thyroid medicines, and other glucose-lowering medicines may also affect blood sugar. Share your full medicine and supplement list with your clinician so monitoring can be adjusted safely.
Do not drive, operate machinery, or perform risky tasks when your blood sugar is low or changing quickly. Contact your clinician promptly if you have repeated lows, unexplained highs, injection-site changes, signs of allergy, or a major change in meals, weight, activity, pregnancy status, kidney function, or liver function.
Missed Dose and Meal Timing
If you miss a scheduled injection, check your glucose and follow the plan your clinician provided. Do not take an extra dose simply to make up for a missed injection. Because this insulin has both mealtime and intermediate action, doubling up can raise the risk of delayed low blood sugar.
Meal timing matters with Humalog Mix. Taking it too early, delaying a meal, eating much less than usual, or exercising unexpectedly can increase the chance of hypoglycemia. Taking it after a large meal or missing a dose may lead to higher readings. Keep glucose tablets, gel, or another fast source of sugar nearby.
Bring meter or CGM data to follow-up visits. Patterns over several days are usually more useful than one isolated reading. Your care team may focus on fasting readings, pre-dinner readings, bedtime numbers, and symptoms to decide whether the premix is still the right fit.
How It Compares With Other Diabetes Options
Humalog Mix KwikPens differ from rapid-only insulin pens because the mix includes an intermediate-acting component. This can reduce the need for separate background insulin injections in some routines. The tradeoff is that the fixed ratio may not match every meal, snack, or activity pattern.
Some people use a rapid-acting insulin before meals plus a separate long-acting or intermediate insulin for background coverage. Others use a human premixed insulin with a different onset and duration profile. Your clinician may also combine insulin with non-insulin medicines when appropriate for your diabetes type and overall health.
For broader browsing, visit our diabetes care category. You can also explore country-origin information for products sourced from Canada. These sections can help you understand adjacent insulin and diabetes supply choices without replacing individualized clinical guidance.
Questions to Ask Before Refilling
Refills are easier when your dose schedule, meal pattern, and monitoring plan are current. Ask your clinician how to respond to fasting highs, pre-meal lows, skipped meals, illness, or planned exercise. If your glucose readings have changed, do not rely on the same refill routine without discussing the pattern.
- How close to meals should I inject this premixed insulin?
- Which readings should I track before my next visit?
- What should I do if I eat less than expected?
- How should I treat mild and severe low blood sugar?
- Should kidney, liver, or heart medicines affect monitoring?
- How many pens should I keep on hand before travel?
Why it matters: Premixed insulin works best when dose timing, meals, and monitoring are consistent.
Authoritative Sources
Use official medical sources for complete warnings, administration details, and product-specific instructions. The links below support key safety and labeling information for Humalog Mix products.
This content is for informational purposes only and is not a substitute for professional medical advice.
Blood Glucose Unit Converter
Convert glucose readings between mg/dL and mmol/L without changing the clinical value.
These calculations are for education only and do not replace clinical advice, diagnosis, or treatment. Always confirm medical decisions with a qualified healthcare professional.
HbA1c & eAG Calculator
Convert between HbA1c percentage and estimated average glucose using the ADAG relationship.
These calculations are for education only and do not replace clinical advice, diagnosis, or treatment. Always confirm medical decisions with a qualified healthcare professional.
CGM Time-in-Range Summary
Summarise CGM percentages across very low, low, in-range, high, and very high glucose bands.
These calculations are for education only and do not replace clinical advice, diagnosis, or treatment. Always confirm medical decisions with a qualified healthcare professional.
Carb Serving Calculator
Convert total carbohydrate grams into carb choices for meal planning and diabetes education.
These calculations are for education only and do not replace clinical advice, diagnosis, or treatment. Always confirm medical decisions with a qualified healthcare professional.
HOMA-IR Calculator
Estimate insulin resistance from fasting glucose and fasting insulin values collected from the same blood draw.
These calculations are for education only and do not replace clinical advice, diagnosis, or treatment. Always confirm medical decisions with a qualified healthcare professional.
Express Shipping - from $29.99
Shipping with this method takes 3-5 days
Prices:
- Dry-Packed Products $29.99
- Cold-Packed Products $39.99
Shipping Countries:
- United States (all contiguous states**)
- Worldwide (excludes some countries***)
Standard Shipping - $19.99
Shipping with this method takes 5-10 days
Prices:
- Dry-Packed Products $19.99
- Not available for Cold-Packed products
Shipping Countries:
- United States (all contiguous states**)
- Worldwide (excludes some countries***)
What type of insulin is Humalog Mix?
Humalog Mix is a premixed insulin. It combines rapid-acting insulin lispro with intermediate-acting insulin lispro protamine to help cover meals and provide longer activity between meals.
What is the difference between Humalog and Humalog Mix?
Humalog contains rapid-acting insulin lispro only. Humalog Mix contains insulin lispro plus insulin lispro protamine, so it has both rapid mealtime action and intermediate activity in one pen.
How is Humalog Mix KwikPen usually used?
It is injected under the skin before meals as directed by a clinician. It is not for pump use or intravenous injection. Meal timing, site rotation, and glucose monitoring are important.
Can Humalog Mix cause low blood sugar?
Yes. Low blood sugar is a common and important insulin risk. Symptoms may include shaking, sweating, hunger, dizziness, headache, confusion, or weakness. Severe symptoms need urgent help.
How should Humalog Mix KwikPens be stored?
Unopened pens are typically refrigerated and protected from freezing. In-use pens are usually kept at room temperature for the time allowed by the label. Avoid heat, direct light, and freezing.
Is Humalog Mix 75/25 the same as Humalog Mix 50/50?
No. The numbers describe different fixed ratios of insulin lispro protamine and insulin lispro. Do not switch mix ratios unless your clinician directs you to do so.
Rewards Program
Earn points on birthdays, product orders, reviews, friend referrals, and more! Enjoy your medication at unparalleled discounts while reaping rewards for every step you take with us.
You can read more about rewards here.
POINT VALUE
How to earn points
- 1Create an account and start earning.
- 2Earn points every time you shop or perform certain actions.
- 3Redeem points for exclusive discounts.

