BOOK REVIEW
Excerpt from the forthcoming book The Fat Gap by site owner Andrew Smales (released Dec 1 2025) - scroll down
Stop Guessing. Start Burning.
The first week I wore the SiBio CKM, the guessing died. Coffee, sweetener, a hard walk — I could see the line twitch in minutes, not days. The app didn’t nag or praise; it just showed me the truth in real time. I stopped arguing with myself and started steering: a little less sweetener here, a later meal there, adjusting constantly when the curve drooped. Tiny nudges, visible immediately. That’s the point: feedback that lands before your willpower runs out.
Hot-dot: Ketones are the smoke from the fat-burning fire — not the match. The CKM doesn’t burn fat for you; it makes the fire visible. And once you can see it, you stop doing dumb things to put it out.
Let’s be honest about the alternatives. Finger-prick blood tests work, but they’re a pain — literally — and they’re not cheap. In the UK, ketone strips often cost about £1–£2.70 per strip depending on brand and pack size. Now imagine doing one every five minutes to match a CKM’s update rhythm. That’s 288 finger pricks a day. No thanks.
Urine strips? Cheap as chips — and if the CKM price is a stretch, we offer those too. But they lag, they’re hydration-sensitive, and once you’re keto-adapted they miss a lot; blood or interstitial ketones are the reliable compass when you need to steer. Great for a quick “am I somewhere in the ballpark,” not great for guiding your day.
Why SiBio? The KS3 is the second iteration of the world’s first consumer continuous ketone monitor (the KS1 launched in 2023). You stick on a tiny flexible-tip sensor, it warms up, and then it lives with you for up to 14 days, updating roughly every five minutes. The hardware is genuinely small (about 24.8×17.8×2.9 mm, ~1.7 g). It measures interstitial ketones and displays blood-equivalent values in the app; it’s positioned for wellness tracking rather than diagnosis.
Here’s the killer motivator the app adds: it doesn’t just show a number — it translates it into how much fat you’re burning per hour. Seeing that on screen is rocket fuel for behaviour. It’s not theory or vibes; it’s a live readout that turns “maybe later” into “do it now.”
Scene one. I thought my “keto” dessert was harmless. The graph blinked, dipped, and flattened for hours. Next day, I skipped it; the line held, the morning felt better, and the scale finally nudged. Same calories, different behaviour, different outcome — because I could see it as it happened.
Scene two. Bone broth on a fasting day. I kept the salt high, took the cup, watched the line barely flinch. A 20-minute walk after? The curve lifted like a kite in a sea breeze. Addictions hate evidence.
Scene three. Artificially sweetened drinks. I wanted the truth, not forum folklore, so I tested on an empty stomach: one can, then two, watching the CKM’s five-minute feed for 90 minutes each time. Some people get a cephalic insulin nudge or cravings that push glucose up and ketones down — the idea of sweet can trip the body, even without sugar. Mine didn’t budge. No dip, no delayed sag, no appetite spike. The line stayed flat and I got on with my day. My rule: for me, zero-sugar drinks are a taste, not a trigger. (Your mileage may vary — that’s why the live graph matters.)
This is where CKM changes people. Not by lecturing — by showing. With five-minute feedback, I don’t need 30-day promises. I get a nudge today. A quick walk after dinner. A swap from sweetener X to Y because one blips me and the other doesn’t. A later eating window when mornings trend flat and focused. These are micro-moves, but stacked over weeks they become body recomposition. The CKM isn’t motivation; it’s a mirror with a stopwatch.
And a quick reality check to keep this honest. This is a wellness tool, not a diagnostic medical device; the sensor uses an electrochemical filament that sits just under the skin, there’s a warm-up before readings start, and it’s built for everyday wear. In 2023 SiBionics announced the KS1 as the first CKM; KS3 is the refined follow-up that I’m using here. As of late 2025, it remains the standout consumer option I can actually buy and wear.
My disclosure, because trust beats theatrics: I’m an authorised UK seller. We carry UK stock and ship Royal Mail Tracked 24 — orders placed direct with the manufacturer often dispatch from China and take longer. If you buy through me, I benefit. I also wear the thing because it works.
The real superpower isn’t my data — it’s your data. Keto isn’t a religion; it’s a response. The KS3 makes it unmissable that bodies differ: the sweetener that leaves me flat might dip you; the walk that lifts me at 7 p.m. might be your 10 a.m. fix. The job is to find your body, not someone else’s, not even mine — and to keep doing more of what keeps your line steady and your fat-burn number ticking.
This isn’t a fable. This is what actually worked. Put the sensor on. Watch your fire. Stop guessing. Start burning.
Author: © Andrew Smales 2025
