What is a Needle-free Injection
and How does it Work?

“The liquid becomes the needle”.

A needleless injection occurs when the liquid medicine is pushed into the body through the skin, using a combination of pressure, high velocity and a syringe that has been specially designed for this purpose.

Your research brought you here because you are sick of prodding yourself with needles just to get your, insulin, Testosterone, B12 or any other medication. Whether you’re a kid or a tough guy, nobody likes needles. Some people really don’t like needles, to the point where it interferes with their treatment.


Needle free injection, also called Needle-less or Needleless injection, is simply an injection without the need to use needles.

A needle free injection occurs when the injectable medicine (eg. insulin, hormones, local anesthesia even oily based injectable Testosterone ) is pushed into the body through the skin, using a combination of pressure, high velocity and a syringe/nozzle that has been specially designed for this purpose, there are no needles used to deliver the medication. This device is a registered medical device, internationally certified, here we have different injectors suitable for intramuscular or subcutaneous delivery.

needle free injection adapter

Which device is right for me?

I Self Administer Medication Frequently

  • To myself
  • To my children
  • To my pets

I Am A Professional Using Local Anaesthesia

  • Doctor
  • Surgeon
  • Dentist
  • Podiatrist
24 reviews on
Preston Tucker
Preston Tucker
The Comfort In injector system is incredible and convenient, not just at home but also if you are traveling. It's all contained in a little case that holds the device, the primer, and the injector vials. There is also plenty of room to store vials in it as well, which is what i do. The ease of use and injecting makes this system far better than needles, in my opinion, even if you dont have needle phobia. But for those that do have needle phobia like myself, this device is a godsend and makes injecting just another mundane thing to do. No apprehension, no fear, no worry. It has helped me stay consistent with my injections and, in the end, is helping with my health. I recommend this device to anyone and everyone who does self injections for any type of medication. I myself am from America and am thankful I was able to find this device, even though it's in Australia. The shipping was rather expedient, considering the distance and was hassle free. The support the company provides for any questions or concerns about any part of the device or process is top-notch, and they spend the time to make sure you understand what you need to. Everything about the device and company is beyond stellar. Cant recommend it enough.
Michael Wilson
Michael Wilson
If you've ever watched a movie and saw the characters receive an injection with just the click of a button, and wondered when that tech was coming, it's here now. Comfort-In is absolutely incredible. I hate needles, and this has been an absolute game changer for me. I've ordered four injectors and given a couple to friends. Try it, I guarantee you will never go back to regular syringes. To top it all off the customer service is incredible from Comfort In. The owner of the company returned my call on Boxing Day to walk me through a question. I have been beyond thrilled with this product. It's exceeded all my expectations.
Jesse Hadley
Jesse Hadley
Awesome product. This is not something until later in my diabetic journey that I found was an option for insulin delivery without a needle. I buy supplies in the US, so finding someone who is legit and able to send to the US was amazing. The support and how-to videos were great in getting to know the usage of the device. My experience so far has been great. I worked myself up the first time, but once I did it and knew what to expect it is soo much better than an injection or pump site.
Andrew Bacon
Andrew Bacon
Saved my life. Finally was able to get vaxxed because these guys helped me find a way to do it without a needle. Highly recommended!
Ahmed Salama
Ahmed Salama
Better than what I expected no more needles no more pain I use it every day and I am thankful for also outstanding customer service
Anthony Vachon
Anthony Vachon
Amazing product. My dog is diabetic and he absolutely hated needles. This has made giving him his insulin so much less stressful. Customer service is excellent as well! 10/10 product.
Camille Bailey
Camille Bailey
We have a miniature schnauzer that was diagnosed with diabetes and she is very difficult to give a regular syringe shot too. The Comfort-In needle free injection has been a life changer for us. We went from it sometimes taking 3 people to give her a shot to just one person. I appreciate the great customer service, so very helpful!! They go above and beyond to walk you through every step and make it simple to use. Thank you for making our life easier. Highly recommend.
Ray Ellis
Ray Ellis
I have been useing the comfort Medi injector for a number of years I 100% love the injector and the Company they do everything for Me sending over injections caps If I have any questions answering them They are great people to deal with If you are scared of needles l Highly recommend the injector Ray Ellis South Australia
Octavious Brown
Octavious Brown
My experience with the Comfort-In has been great. It is a very efficient and easy to operate device which provides a reliable alternative to syringe needles. It has made my bodybuilding more successful by allowing painless injection of my natural anabolic compounds. I recommend it to anyone who supplements for athletic training.
Needle Syringe Injection vs Comfort-In Jet Injector
Comparison: Needle Syringe Injection vs Comfort-In Jet Injector

What is Comfort-in™️?

Comfort-in™️ is a spring operated needle-free injection system. This system is a type of medical injecting syringe that uses high-pressure – it uses the narrow jet of the injected liquid instead of a hypodermic needle to penetrate the epidermis (skin). It delivers from 0.01ml up to 0.5ml of any liquid medication (1-50 units), it can also be referred to as a jet injector. It is ideal for personal use to self-administer insulin, hormones, vitamin B-12 and other liquid injectable grade medication.

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How did I survive without this ?? Being a T1 Diabetic and suffering from extreme needle-phobia I would often skip my medication simply because I didnt want to inject myself. This device takes the pain and anxiety out of insulin-therapy treatment. I find it very easy to set up and use day to day,takes me about 2-3 minutes start to finish. A dramatic difference from the 30 minutes to a hour it would take me each night to fight my anxiety. Extremely well built and designed. A must have product for anyone that has to use needles on a daily basis.