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How Fast the Novolog Works?


Novolog is an injectable medication used to control high blood sugar levels in individuals with type 1 or type 2 diabetes. It works quickly, but how exactly does it work? Let’s take a deeper dive into this super fast-acting insulin

Novolog at its Core 

Novolog belongs to a class of drugs called rapid-acting insulins. It contains human insulin. When injected, Novolog signals your body to process excess glucose in the bloodstream—which lowers your blood sugar levels. By controlling your blood sugar levels, Novolog can help you maintain a healthy lifestyle. As an added benefit, Novolog has minimal impact on long-term complications associated with diabetes such as kidney disease, nerve damage, and visual impairment.

Novolog vs Humalog

Novolog and Humalog are both rapid-acting insulin. It used by people with type 1 and type 2 diabetes to help manage their blood sugar levels. They are both short-acting insulins and have similar effects, but there are some differences between them. 

First, let’s start with Novolog. Novolog has a faster onset than Humalog, meaning that it begins working within minutes after injection. This makes it ideal for people who need to quickly respond to high or low blood sugar levels after eating or exercising. Additionally, Novolog has a longer duration of action than Humalog. This means that it will last longer in your system and provide more consistent coverage throughout the day. 

Now let’s take a look at Humalog. Humalog is also a rapid-acting insulin  but its onset of action is slightly slower than Novolog’s. This means that it takes a bit longer for effects to be seen in your body after injection compared to Novolog.  

When deciding between Novolog and Humalog as an option for managing your diabetes, there are several factors to consider including speed of onset and duration of action as well as cost effectiveness and availability in your area. Ultimately, the decision should be made by you and your healthcare provider based on what works best for you and your lifestyle. No matter which type of insulin you choose though, always remember that regular monitoring is key for achieving successful diabetes management

How Fast Does Novolog Work? 

 It’s important to note that Novolog works differently than other types of insulins and should only be used when prescribed by a doctor

Novolog starts working within 5-15 minutes after injection, peaks at about one hour after injection, and lasts for two to four hours. This means that if you take Novolog at 8am, it will peak around 9am and last until 11am-1pm depending on your body type and lifestyle factors such as exercise or diet. However, it’s important to keep in mind that results may vary from person to person. 

Novolog also has a slightly different effect than long-acting insulins since they have an onset time of around 30 minutes but last much longer. Long-acting insulins are typically used as a background treatment while fast-acting insulin such as Novolog can be taken before meals or when high blood sugar levels occur due to illness or stress.  When taken correctly, Novolog can help you maintain healthy blood glucose levels throughout the day. 

How much Novolog can you  take in a day?

If you have type 2 diabetes, it is important to talk to your doctor about the right amount of Novolog insulin that is best for you. Generally speaking, the recommended amount of Novolog insulin for people with type 2 diabetes can range from 2 to 4 units per day depending on your specific situation. Factors such as body weight, dietary habits, and activity level can all affect how much NovoLog insulin a person needs.

Young diabetic girl learning how to use insulin Young diabetic girl learning how to use insulin. Medical doctor supporting her. insulin\ stock pictures, royalty-free photos & images

Your doctor will be able to provide you with personalized advice about the exact dosage that is needed to meet your individual needs. Additionally, it is important to monitor your blood sugar levels closely and make adjustments as needed in order to ensure that you are achieving optimal blood glucose control. The most common way to take Novolog insulin is through subcutaneous injections. Consulting with a health care provider can help you decide which approach is best for you so that you can make sure you get the correct amount of Novolog insulin each day.

What About Side Effects?   

Most people don’t experience any side effects when taking Novolog due to its quick action time; however, there are some common side effects you should be aware of such as: 

  • weight gain

  • headaches

  • nausea

  • low blood sugar (hypoglycemia)

  • low potassium in your blood

  • allergic body reaction


In conclusion, Novolog is an effective and fast-acting form of insulin that helps people with type 1 or type 2 diabetes regulate their blood sugar levels quickly. While most people don’t experience any side effects while taking this medication, it’s important to talk to your doctor if you do notice anything out of the ordinary so they can adjust the dosage or switch medications if needed.

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The holiday season commences on November 15th, 2023, and concludes on January 15th, 2024. Please be aware that shipping times are slower during the holiday season. Canada Post also suspends their shipping guarantee during this period. We kindly ask that you place your orders as early as possible to avoid the holiday rush.


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