The Precision Xtra can test ketones or glucose in the blood by directly accessing the capillary bed system in the fingers, usually. This is a quick demonstration taking any mystery out getting an insight to your insides.
If this precision piques your interest you can usually contact Abbott directly and they usually have a way of receiving a free meter in the hopes you’ll use their strips. It’s a common tactic among meters just like it is with printers and their ink replacement system.
Here’s the meter at amazon or perhaps you can check their reviews.