How many Function Health lab locations are in California?

Function Health draws blood at Quest Diagnostics patient service centers. There are 370+ Quest lab locations in California . Including Los Angeles, San Diego, San Jose, San Francisco, and more. Empirical Health uses the same Quest network in California, so all of these locations are available to you, for $190 instead of $365.

How much does Function Health cost in California?

Function Health charges $365 per year for their membership. Empirical Health offers a comprehensive 100+ biomarker panel in California for just $190/year , nearly half the price. Empirical Health offers similar biomarker coverage at a fraction of the cost, plus personalized nutrition plans and wearable device integration.

How does Function Health's cost compare to Empirical's?

Function Health's membership is $365/year . From June 23 to July 1, 2026, its Function Day sale offers two years for $499 , about $250 per year. In California, Empirical Health is $190/year , below both Function's list price and its Function Day rate, with no two-year commitment. The price includes a personalized action plan and wearable integration.

Where can I get a blood draw in California?

Empirical Health uses the Quest network in California. There are 370+ Quest lab locations in California. Including Los Angeles, San Diego, San Jose, San Francisco, and more. Most Quest locations accept walk-ins. Use the Empirical Health location finder to find the closest lab.

How does Function Health compare to Empirical Health?

Function Health focuses on comprehensive lab testing with 100+ biomarkers, but lacks personalized action plans and wearable integration. Empirical Health provides 100+ biomarkers, includes personalized nutrition plans, Apple Watch and wearable integration for continuous health monitoring, and AI-powered heart health risk scores. The combination of comprehensive testing plus actionable insights makes Empirical the best value for proactive health management.

What lab does Empirical Health use?

Function Health uses Quest Diagnostics for blood draws in most states. In California, Empirical Health uses the Quest network, so you have convenient patient service centers near you. Most locations accept walk-ins.

How did you select these specific biomarkers?

Empirical Health researched work by leading health experts including Mark Hyman , Andrew Huberman , Peter Attia , Eric Topol , and Rhonda Patrick . Empirical Health's medical team then selected the strongest, most evidence-based markers to give a complete picture of your health, focusing on biomarkers that are both clinically meaningful and actionable.

Function Health alternative in California

Feature	Empirical Health	Function Health
Price	$190/year	$365/year
Number of biomarkers	100+	100+
ApoB (Apolipoprotein B)
Lp(a) (Lipoprotein(a))
hs-CRP (High-sensitivity CRP)
Full lipid panel
HbA1c
Vitamin B12		Add-on
Folate		Add-on
Personalized nutrition plans
Wearable integration
Heart health risk scores

370+ Quest lab locations in California

Empirical draws at the same Quest labs Function Health uses across California, including Fresno, Los Angeles, Sacramento, San Jose, Bakersfield, Long Beach, San Francisco, and Stockton, and dozens of smaller towns. Every result comes with a care plan, for $190/year instead of $365/year.

All 375 lab locations in California