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Head-to-head buyer guide

Ezra (Function Health) Full Body MRI vs Galleri Multi-Cancer Early Detection Test

Specs, prices, editor verdict, and who should buy which, compared side by side.

By Ryan · Founder
Updated Sep 30, 2026

Lifespan Vault earns an affiliate commission when you buy through links on this page, at no extra cost to you. It does not change our rankings or our verdicts.

Quick verdict

Ezra (Function Health) Full Body MRI (ultra premium, $999 to $3,999/test) vs Galleri Multi-Cancer Early Detection Test (premium, $949/test). Different tools for different jobs (see the per-product details below).

Compared on 0 shared specs · cross-category comparison (ultra premium vs diagnostic).

Ezra full body MRI scanner suite
Ezra (Function Health)

Full Body MRI

The whole-body MRI alternative to Prenuvo - now part of Function Health, with an entry scan from $999 in as little as 22 minutes via Ezra Flash AI.

PRICE
$999 to $3,999/test
Galleri multi-cancer early detection blood test
Galleri

Multi-Cancer Early Detection Test

A blood test screening for 50+ cancers - the most-debated longevity diagnostic of 2026.

PRICE
$949/test
The verdict

We have not scored these two head to head, so this page does not name a winner. The Galleri Multi-Cancer Early Detection Test starts at $949/test and the Ezra (Function Health) Full Body MRI at $999/test. The per-buyer recommendations below say who each one suits.

Who should buy which

Pick the Ezra (Function Health) Full Body MRI if

Longevity-focused buyers wanting whole-body imaging at the lowest entry price ($999) and fastest scan. Function Health members folding imaging into their existing membership. People with family cancer history wanting comprehensive screening.

Skip if

You're skeptical of the whole-body-MRI value proposition (high false-positive rate is real), or your insurance covers targeted imaging that addresses your specific risks.

Pick the Galleri Multi-Cancer Early Detection Test if

Buyers over 50, those with family cancer history, longevity-focused spenders adding a screening layer to standard surveillance.

Skip if

You're under 40 with no family history (false-positive math is unfavorable), or you can't afford the follow-up imaging if it triggers.

Go deeper

FULL REVIEW
Read the Ezra (Function Health) Full Body MRI review →
FULL REVIEW
Read the Galleri Multi-Cancer Early Detection Test review →

Frequently asked

Which is better, the Ezra (Function Health) Full Body MRI or the Galleri Multi-Cancer Early Detection Test?

We have not scored these two head to head, so this page does not name a winner. The Galleri Multi-Cancer Early Detection Test starts at $949/test and the Ezra (Function Health) Full Body MRI at $999/test. The per-buyer recommendations below say who each one suits.

How much do they cost?

Ezra (Function Health) Full Body MRI: $999 to $3,999. Galleri Multi-Cancer Early Detection Test: $949. Prices are verified against the manufacturer; check the live links for current pricing.

Who should buy which one?

Ezra (Function Health) Full Body MRI: Longevity-focused buyers wanting whole-body imaging at the lowest entry price ($999) and fastest scan. Function Health members folding imaging into their existing membership. People with family cancer history wanting comprehensive screening. Galleri Multi-Cancer Early Detection Test: Buyers over 50, those with family cancer history, longevity-focused spenders adding a screening layer to standard surveillance.

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