Your body has thresholds.Learn where they are.
Umbral reads your Whoop, Oura, Garmin or Apple Watch, learns your normal range for sleep, HRV, stress and more, and shows you which evidence-graded supplements actually move your numbers.
Works with the devices you already own. No blood draw required to start.
Baseline. Hypothesis. Measured result.
Four steps, in order. The first two are measurement: nothing is recommended until your band exists. The last two are the test itself, one variable at a time, judged against your own baseline.
One model across every brand.
Each device speaks its own dialect. Umbral maps them into eight common sections and reads every signal against your own baseline.
Bring the wearable you already trust.
Apple Watch and Google Health sync through the Umbral app on your phone.
We say how sure we are. Every time.
Every recommendation carries a grade, the absolute effect measured in trials, a dose, and its safety flags. Some supplements are strong enough to see in your wearable data. Many are not, and we tell you that too.
- Strongmultiple RCTs or meta-analyses
- Moderatesome RCTs, limited replication
- Emergingpreliminary or mechanistic
- Cautioninteraction or safety flag
Guardrails, built in.
- Blood-test gating for iron, vitamin D and B12.
- Interaction screens: anticoagulants, thyroid medication, SSRIs.
- Red-flag routing to a clinician: low SpO₂, suspected apnea, persistent high RHR.
- No hepatotoxic herbs. Ever.