Because I performed a very exacting three way test with a fingerprick monitor and a blood test all at the same time. I described the experience in one of the threads here.
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If I remember correctly you used an inaccurate model and not the latest Dexcom G7 and Freestyle Libre 3 that are more accurate? (I forgot…)
That being said I had a similar experience with my Dexcom: 1 mmol/L more between the Dexcom and the blood draw! Still, the G7 results match very well with how I feel. So maybe the CGM is right?! 
I used the new Abbott Lingo, which is the direct to consumer (no prescription) CGM that just came out a few months ago. It’s based on the Libre 2 sensor, which is minimally less sensitive than the Libre 3. The Libre 2 was standard for years, and it cannot be that the differeces between the sensors are on the order of 40 points! Anyhow, it was useless in many ways. For example, the graph reading - if the level fell below or above a certain level, it would simply stop recording, something like below 55, and above 200. Just stupid. And every single night, and many times in the day, it would show below 55 for me - whole chunks of time where no level is shown… not that it mattered, because it was off by 30-40 points (when I would check with my fingerprick monitor), so who cares. It would also swing wildly within a minute or less by 40 points. Just random nonsense. I tried two of these stupid things, both dogshit. Now, maybe for whatever reason my body just doesn’t work with interstitial glucose, so these devices are out for me - I know they work for others, but I can find no value in them.
I tried Abbot. I have not tried to calibrate either of them. However, I found Libre 2 much worse than Dexcom G6, G7 and One+.
It did, however, seem to produce some useful data.
I am, however, sticking to Dexcom for now.
I have had a few “sensor falling off” issues with Dexcom, but they have replaced the sensor.
I tried the Libre 2 as well and it was quite bad compared to Dexcom G7. @CronosTempi I suggest you give a try to the G7. The app is still shit though (the Clarity website is better).
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The clarity website is quite good. The app is just about usable and has the advantage of giving immediate (last 5 mins) results.
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Yeah, I might give the dexcom 7 a try. First I want to stabilize my BG drug effects. I’ve been on empagliflozin for a little over a month and it seems to have somewhat lowered my morning fasting BG levels - this at 12.5mg. I just started rapamycin, so I want to see the effect on BG. Once I’ve stabilized my empa and rapa protocols, I’ll give the CGM a try.
I’m using the Dexcom G6 because they can be rebooted once or twice which makes them much cheaper.
I do calibrate them with a Contour Next ONE glucose meter (fingerprick) as they are off by up to 30 but after a few calibrations that they are pretty accurate and only drift a little with time.
BTW Calibrations should only be done when the glucose has been flat for 30 min at least.
What do you mean by “rebooted”? You mean reused? How do you do this?
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I recently ordered this Stelo CGM from Dexcom. It’s an OTC device similar to G7. I’ll let know what I think after I’ve used it for a bit. It also works with Clairy:
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Been playing with mine for about 10 days now. Tested it against a CONTOUR NEXT GEN Blood Glucose Monitoring System strip. They reported very similar blood glucose readings.
N.B.: I have Android 15 on my phone and they say the app won’t work with it but it mostly does. However, you should know that adding the Clarity app (also from Dexcom) to your phone will let you sync to the Stelo app and download full reports to your phone and/or computer. Stelo doesn’t really show that much info. Fortunately, all the Stelo app info is visible with Clarity. Dumb programming on Dexcom’s part, IMO.
So that you can see what Clarity reports, here is a copy of a Clarity download from yesterday.
Clariy Report 2025-01-10.pdf (1.6 MB)
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The cgm reports on this topic
Are also from Clarity, but in mmol/l
From CES this week:
Ozlo Sleepbuds aren’t just comfortable earbuds for sleeping – they can actually help you get a better night’s sleep.
They’re designed to be flush with your ear, which means you can sleep on your side without feeling them pressing into you. That also prevents them from falling out of your ear.
Sleep-enhancing perks include biometric sensors in the earbuds that can track your sleep, sensors in the case that can identify potential sleep interruptions in your room, an in-ear alarm that won’t wake up a sleeping partner and a 10-hour battery life, so you won’t wake up to a dead battery notification.
You can even play sound directly from the Sleepbuds, without connecting to another Bluetooth device, which means you won’t even have to look at your phone before going to bed.
and more
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L’Oréal’s Cell BioPrint blew me away. The mini-lab analyzes photos of your skin and a skin sample from your cheeks to tell you about your skin’s health. It can tell you about your chronological age versus your biological one (aka is your current routine working well?). It can also assess how you’re doing with issues like wrinkles, skin tone, skin barrier, oiliness, and pore size — or if it’s likely to become a problem in the future. It can also analyze whether you’re responsive to certain ingredients, starting with retinol.
https://www.loreal.com/en/press-release/research-and-innovation/loreal-cell-bioprint/
