Opsite is good, forget Amazon, way too many people trying to make excessive profit there. I get mine from the local chemist, not for a sensor but for covering topical skin numbing cream, (big wuss with needles)
I use the Genteel, I find one of the best sites to use it on is just about anywhere on the heel of the palm. It is certainly not painful there. Come to think of it the heel of the palm is a suggested alternate site for testing anyway, no reason you cannot use any standard lancing device there to...
Metformin really screwed me over in the early months of taking it (1g AM & 1g PM) I had a strange taste in my mouth all the time and my appetite hit rock bottom. I can't comment on the smell as I was completely blocked up with nasal polyps, ironically it was the operation to remove these that...
You can find good deals on Contour Next strips on ebay of all places. I buy a two to four hundred at a time. Just make sure you get the right ones, there a two types usually available.
Not sure if this if well known or not, but I have just found out that Ascensia will send out free control solution if you register your meter with them. 0345 600 60 30. Just a simple phone call. Saves paying very exorbitant prices being asked on Amazon/Ebay.
I have been using Monin sugar free caramel syrup in my porridge, tea, coffee etc. basically anything that you enjoy sweetened. This is the same stuff that many of the coffee chains use, and is available on Amazon for about 10 quid a liter.
I may be wrong here but from everything I have read Apple doesn't do NFC except for Applepay, and the chip is locked down somewhat, impossible to be used by 3rd party apps. NFC is more of an Android thing tbh. You need a meter that connects through BT or WiFi to your iPhone. The Contour Next One...