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Message: <blockquote data-quote="KennyA" data-source="post: 2585758" data-attributes="member: 517579">I tried a libre but it rarely matched the fingerprick, even allowing for the fact that it tests interstitial fluid rather than blood, and therefore has a "lag" time.  The best I got was a libre reading that tracked the fingerprick well but gave a consistent reading around 1.5/2.0 mmol/l below. On the other hand, even with the allowance for inaccuracy, it did give me useful info about what happened while I was sleeping.  It was worth doing as a one off (in my opinion) but not something I'd pay for regularly.Just a point: as I understand it, the two hour reading is not primarily intended to find out how high you've gone after eating. Everyone's BG rises after taking in carbs.  A raeding at two hours is intended to assess whether one's levels have returned to an acceptable range by the two hour mark, and by extension how well your system is responding to your insulin.</blockquote>

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