Timesulin for Flexpen


  • Fits FlexPen Insulin Pens
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Timesulin for FlexPen.

Designed to make life with diabetes a little bit easier.

Timesulin automatically tracks the time since your last injection.

Replace your old cap with Timesulin and it will immediately start counting the seconds, starting at one second (00:01) and counting up to an hour. After an hour, the timer mode will switch from MM:SS to HH:MM.

If you wish to check how much insulin is left in your pen, remove Timesulin for less than 8 seconds and the timer will not reset.

Lifespan of a Timesulin is 12 months, the screen will start fading and then go blank. We will check up with you during your first months of Timesulin use to make sure you are satisfied (we have 30-day money-back guarantee if you are not happy) and also remind you when it’s time to replace your Timesulin unit.

If you wish to read about Timesulin benefits, please visit our Benefits page

If you wish to learn more on how Timesulin works, please visit our How it works page


The user maintains full responsibility to administer medication at the appropriate times. Timesulin is to be used only as a reminder aid in taking your medication. Always follow your doctor’s treatment recommendation and in case you forget an injection or double dose call your doctor immediately. Please see our terms of use for more information.

Additional information

Weight 15 g
Dimensions 89 × 15 × 21 mm
Select Your Insulin Type

NovoMix 30, Levemir, Novolog, Novolog mix 70/30, Novorapid, Protaphane, Victoza

14 reviews for Timesulin for Flexpen

  1. Backy J (verified owner)

    Such a great and simple product!

  2. Jill Samways (verified owner)

    All I can say brilliant!!! Brilliant!!! Brilliant!!!
    Buy one it may save your life !


  3. Johan (verified owner)

    Great addition to my novarapid pen

  4. Keith MV (verified owner)

    Brilliant product. Shame you cant change the batteries but it’s less than 1 pence/day for not double injecting myself, definitely worth it!

    • Ville

      Hey Keith,
      Thanks for your comment. The lifespan of Timesulin is 12 months, so the costs of Timesulin is 0.07 pence / day. The reason why Timesulin comes with a built in battery is to keep the design simple, no extra bulk when attached to your insulin pen.

  5. George White (verified owner)

    I travel 140 days a year and having Timesulin with me when crossing different time-zones has been of great help

  6. Kt (verified owner)

    Great little device… when will you make one for the NovoPen 3/4/5’s? 🙂

    • Ville

      Thanks Kate,
      We recently launched a Timesulin model for the Novo Nordisk FlexTouch pen. For now we remain focused on the pre-filled insulin pens.

  7. Type1dude (verified owner)

    Good service – excellent product. A nurse recommended me Timesulin and I have been using the device for 2 weeks now – thanks!!

  8. Thomas Packard (verified owner)

    Perfect Gadget to help me remember my injections.

  9. Katie Laney (verified owner)

    I absolutely love this product. All my worries about whether I did an injection have disappeared and the service I recieved on the phone was also excellent. I’m so impressed I’m going to take the product to my consultant on my next visit and recommend. Thank you. What a relief!!!!

  10. Jackie Hargreaves (verified owner)

    As a lady in her very late 60 s I have a problem trying to remember things, this Includes my lantis insulin. Timesulin has absolutely changed my life. I feel so relaxed and confident now I am able to just check my timesulin screen at any time and see when my last shot was. What a life changing gadget. Something every diabetic should own. I am soooooooo delighted with it. Jackie Hargreaves

  11. Pam Parker (verified owner)

    A great product have just reordered when the battery ran out sorry i cant change battery that is the only downside

  12. maree shay

    Hi, It states on your website that the timeinsulin was located locally in Australia, with ” CLosing the Loop”, but this website comes up in error, so just wondering what happened here???

    • John Sjolund

      Hi Maree,

      You can order Timesulin directly from our website – and it will be sent to you in Australia via our partner in Sydney.

      Thanks for the heads up about the Closing the Loop website –

  13. Elena

    Good afternoon, do you send caps to Ukraine? If so, how much does shipping cost?

    • ilke

      Hi Elena, yes we do ship to the Ukraine, you must just select Ukraine on check-out. Currently the shipping is via Royal Mail from the UK is £3.00 per unit.

  14. David Robinson (verified owner)

    Such a simple much needed idea, I like many other long term insulin users can so easily forget if they injected. If you haven’t injected you risk raised blood sugar levels and if you have injected but think you haven’t and inject again then the consequences can be disastrous.
    I have found these caps so easy to use with batteries that last for ages. I did have an issue with a couple of the early ones shortly after they launched. It wasn’t a problem though as the company arranged immediate replacements.
    The latest one are much more reliable with as I say batteries that seem to go on for ever. I wouldn’t want to be without Timesulin on each of my insulin pens, they literally are life savers.

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