3 min read
What is a bettr age, and how is it calculated?
Your bettr age is a single, transparent number from your biomarkers - your chronological age nudged by how far your markers sit from optimal. Here is exactly how it works.
Bloodwork can be overwhelming: dozens of numbers, each with its own units and range. A bettr age condenses that into one figure you can actually track - and, ideally, lower.
How it is built
We start from your chronological age and adjust it by how far each scored marker sits from its optimal range. Markers in the optimal zone nudge the number down a little; markers that are off-optimal nudge it up, with a larger marker for those furthest away.
Crucially, we use the average nudge across your markers, not the sum. That means the result reflects the proportion of your markers that are off-optimal, and does not simply climb because a panel happens to include more tests. The formula is transparent and versioned, so a score can always be reproduced and explained.
Why a single number
One number makes progress legible. It is easier to stay motivated by “42, down from 45” than by tracking thirty markers individually - while the detail is still there underneath when you want it.
What it is not
A bettr age is information to act on, not a diagnosis or a clinical verdict on how long you will live. It is a composite designed to be honest and useful, and it is always read alongside the individual markers behind it. If a result concerns you, speak to a clinician.
This is general information, not medical advice or a diagnosis. Always discuss your results with a qualified clinician.
See your own numbers
bettr.now measures your markers, scores them against optimal, and reads them as one plain-English story: your bettr age.