Your shortlist.

Galleri

A multi-cancer early detection blood test that screens for a shared signal across 50+ cancer types, many with no other screening option. Requires a prescribing clinician; intended to complement, not replace, routine screening.

InsideTracker

Blood biomarker testing focused on performance and healthspan: pick a panel, test at a lab or at home, and get evidence-based food, supplement, and training recommendations tuned to your results and goals.

Marek Health

Telehealth built around serious bloodwork: comprehensive panels, guided optimization with clinical oversight, and treatment for hormone and metabolic issues. Popular with the data-driven fitness crowd.

Labcorp OnDemand

Order standard lab tests yourself — no doctor visit — and get drawn at any Labcorp location. Covers the basics from lipid panels to thyroid and vitamin levels at straightforward per-test prices.

Prenuvo

Editor's pick

A whole-body MRI screening in about an hour, read by radiologists for early signs of cancer and hundreds of other conditions. No radiation, no referral needed. The scan that made proactive imaging mainstream.

Ezra

Full-body MRI screening with AI-assisted analysis to catch potential cancers early, offered at partner imaging centers across the US. Now part of the Function Health family.