Before you book
Pre-booking advice — Weight Tier 2: Metabolic Optimiser
Come to your appointment having had nothing but water for the 8 hours beforehand, unless your clinician has told you otherwise. Morning appointments are usually easiest for this, and several markers read most reliably early in the day.
Drink water normally before you attend — being well hydrated makes the blood draw quicker and more comfortable.
Keep training light for 24 hours beforehand. Hard or unusually long sessions temporarily move several markers, which can make a healthy result look abnormal.
If you are unwell, recovering from an infection, or have had a vaccination in the last week, it is usually better to rebook. Take your usual prescribed medicines as normal and tell us about them at the details step.
This test includes physical measurements taken in clinic, so allow a little extra time and wear comfortable clothing you can move in.
General preparation advice for this prototype. Advice written for Weight Tier 2: Metabolic Optimiser specifically will be drawn from our clinical system in the live version.