freestylecheck.com
Freestylecheck.com is an official Abbott website built to help FreeStyle Libre users check whether certain glucose sensors are affected by an important medical device recall.
What is Freestylecheck.com used for?
Freestylecheck.com is not a normal product store or health blog.
Its main job is to help people check specific FreeStyle Libre sensors for a safety problem.
The home page asks users to choose their country and language before moving to the correct local checker.
People in countries that are not listed are told that they are not affected by the specific notice shown on the site.
The website includes separate pages for markets such as the United States, United Kingdom, Canada, New Zealand, Austria, Belgium, and other countries.
This structure matters because affected products and replacement rules can vary by country.
Why did Abbott create this website?
Abbott created the site after identifying problems with some FreeStyle Libre 3 and FreeStyle Libre 3 Plus sensors.
According to the U.S. Food and Drug Administration, some affected sensors may show glucose readings that are lower than the person's real blood glucose level.
A falsely low reading can cause a person to make the wrong treatment decision.
For example, someone might eat extra carbohydrates or delay insulin because the sensor says their glucose is lower than it really is.
The FDA says these wrong decisions can cause serious injury or death.
Abbott announced its U.S. medical device correction on November 24, 2025.
How does the sensor check work?
The U.S. serial number checker asks users to enter the nine-character serial number from a FreeStyle Libre 3 or FreeStyle Libre 3 Plus sensor.
Users can find this number through the Libre app, a compatible reader, the sensor applicator label, or the sensor carton.
The site then checks whether that exact sensor is part of the affected group.
Abbott says it will replace potentially affected sensors at no charge.
This is useful because the recall does not mean every FreeStyle Libre sensor is defective.
It applies only to specific sensors identified through their serial numbers.
Is Freestylecheck.com a legitimate website?
Yes, strong evidence shows that Freestylecheck.com is an official Abbott service.
The site's terms and conditions identify the website as an Abbott Laboratories Limited and Abbott Diabetes Care website.
More importantly, the FDA directly tells affected consumers to visit FreestyleCheck.com to check their sensors.
Abbott's main FreeStyle safety information also discusses the November 2025 correction involving some Libre 3 and Libre 3 Plus sensors.
These links between the domain, Abbott, and the FDA provide much stronger trust evidence than a normal third-party website rating.
How serious is the FreeStyle Libre recall?
The issue should be treated seriously because these devices help people make diabetes treatment decisions.
The FDA identifies the recall as its most serious recall type.
The FDA reported that, as of January 7, 2026, Abbott had reported 860 serious injuries and seven deaths associated with the issue.
The FDA's recall database still listed the FreeStyle Libre 3 Plus recall as open when its record was recently crawled.
Abbott said the manufacturing issue came from one production line and that it had identified and resolved the cause.
Abbott also said FreeStyle Libre readers, mobile apps, and several other Libre products were not affected by this particular action.
What should FreeStyle Libre users do?
Anyone with a FreeStyle Libre 3 or Libre 3 Plus sensor should use the official checker when their country is included in the notice.
If Freestylecheck.com says a sensor is potentially affected, Abbott's instructions say to stop using that sensor and dispose of it.
Users should also follow the replacement instructions shown for their country.
The FDA says people should use a blood glucose meter when sensor readings do not match their symptoms or expectations.
People should contact their healthcare professional when they are unsure how an inaccurate reading may have affected their diabetes treatment.
Freestylecheck.com is therefore best understood as a focused safety tool rather than a general FreeStyle Libre website, and its most important feature is letting users identify affected sensors quickly before those sensors influence another treatment decision.