How the measurement works, where it is reliable, and where it is not. Written by the people building it.
The composite runs 0 to 100 and folds three independent signals into one number. This is how the sub-scores are weighted, and what a zone change does and does not tell you.
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Breath acetone tracks blood beta-hydroxybutyrate closely — the curve accounts for about 77 per cent of the variation. That is strong enough to read direction and too loose to quote a rate of fat loss.
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A substantial minority of people convert hydrogen to methane. A hydrogen-only reading under-represents their fermentation, and here is what we are doing about it.
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Ventilated room, full warm-up, before coffee. The conditions are not ceremony — each one removes a known source of variance from the number.
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Slowed gastric emptying changes how food is handled, and appetite suppression changes how much arrives. Both show up in the signals, and both need interpreting.
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Two patients can lose the same weight with entirely different body composition outcomes. Acetone is one of the few home signals that separates them.
ReadThree analytes, one exhale, and targets set against your goal.
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