Fasting insulin
AdvancedTrack in Cellar· every few years
What it measures
The hormone that moves glucose into cells, measured after not eating.
Why it's discussed for longevity
Sometimes discussed alongside glucose for an earlier read on metabolic health, before glucose itself changes.
Not part of routine testing in some health systems, including the UK NHS.
Source: MedlinePlus (NIH)Related tests in this area
- Hemoglobin A1cAverage blood sugar over roughly the past two to three month…
- Fasting glucoseThe blood sugar circulating after not eating, a routine meta…
- HOMA-IRA calculation from fasting glucose and insulin used to summa…
- Oral glucose tolerance testHow blood sugar, and sometimes insulin, respond to a glucose…
- Continuous glucose monitor (CGM)A wearable sensor that tracks glucose through the day and ni…