Insights and science

Calibre Health Labs, an applied-AI health company pioneering the category of Causal Health, today expands its consumer health product Calibre from early access beta to nationwide launch after securing its own registration with the Care Quality Commission (CQC).

If you are tired and holding a ferritin result, three things are worth understanding before you act on it. Whether an inflammatory marker was measured alongside it, because without one a normal ferritin may not reflect your true stores. That your laboratory's lower limit is set to catch deficiency rather than to describe where you function best: the targets we work to at Calibre sit higher, at 60 µg/L and above in women and 100 µg/L and above in men. And that ferritin has to move by roughly 40% before a change is real, so a repeat test at the same laboratory tells you far more than a single reading.

You've probably heard that grip strength predicts how well you'll age. It's one of those facts that gets repeated often enough to feel true, without anyone explaining why. Part of the answer starts with your bones.

Type 2 diabetes risk can build quietly for years before glucose rises. This guide explains the mechanisms behind it, the factors you can measure, and the levers that matter most for you.

Stroke prevention is less about generic checklists and more about understanding the risk factors you can measure and change. This guide covers blood pressure, ApoB, insulin sensitivity, clotting and the habits that shift them.

Stroke risk is shaped by a mix of fixed and changeable factors. This guide explains which ones you can measure, how they interact, and where to focus your effort.

Calibre launches out of stealth on April 22 with early customer access live ahead of the UK rollout. $3.3M raised in pre-seed funding led by Amino Collective, with Gousto founder Timo Boldt and N26 co-founder Maximilian Tayenthal as angel investors.