Explore blood testing

Blood testing and health tracking to monitor diet, hidden health issues, and interpret health studies

"My wife and I use this thing called Function for blood tests. How are we eating? What is it telling us about our health? Are there hidden things? Here are these studies that we read. What do these things mean? So constantly just keeping like a live update o..."

Chamath Palihapitiya

Comprehensive blood testing including ApoB, insulin resistance scores, lipid particle counts, and metabolic markers for patients and the general public

"With Function Health, we're basically doing a dollar a day. You can get all this stuff done twice-yearly testing and get a really deep view — not just of your lipids, but also metabolic health. And that's what we do with everybody. We're seeing it's a huge ..."

Mark Hyman, MD

Baseline and ongoing monitoring of insulin resistance before and during GLP-1 therapy

"Serum insulin, I think. I used to catch hell from my colleagues and they're like, 'Why are you testing everyone's serum insulin? You think everybody's metabolically compromised?' I'm like, 'They are.' And here we are. I want to see fasting serum insulin. If..."

Tyna Moore

Detecting insulin resistance as a key cardiovascular risk factor, even in outwardly healthy individuals

"Knowing your hemoglobin A1C and some form of fasting insulin is just really, really important. Mine had never been measured — and here I am, a cardiac surgeon — and probably the most important predictor of whether you're going to get a heart attack is your ..."

Jeremy London

Measuring cardiovascular inflammation and longevity risk

"There's a high-sensitivity hs-CRP, your doctor will know. Get one of those readings. 'Cause if you've got normal blood sugar levels, your doctor might say you're fine. But a lot of people have normal blood sugar, but have high CRP, which is just as bad for ..."

David Sinclair

Tracking blood biomarkers like testosterone, blood glucose, and inflammation to optimize health and biological age

"I've been doing blood tests for the last 12 years with a company called InsideTracker, which I consult for, and so I have all of that data as well, and there's 34 different parameters on my testosterone, my blood glucose, my inflammation, and I use all that..."

David Sinclair