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Head-to-head buyer guide

Function Health Function Membership vs Prenuvo Whole-Body MRI

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

By Ryan · Founder
Updated Aug 1, 2026
Quick verdict

Function Health Function Membership (premium, $365/yr) vs Prenuvo Whole-Body MRI (ultra premium, $1,199–$4,999/test) - different tools for different jobs (see the per-product details below).

Compared on 0 shared specs · cross-category comparison (ai software vs diagnostic).

Function Health membership - lab scans + biomarker visualization
Function Health

Function Membership

The platform that took the $5,000 executive physical and turned it into a $365/year membership - and made it better.

PRICE
$365/yr
Prenuvo whole-body MRI scanner
Prenuvo

Whole-Body MRI

The full-body MRI scan that became the longevity cocktail-party flex - and the diagnostic everyone debates.

PRICE
$1,199–$4,999/test
The verdict

These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.

Who should buy which

Pick the Function Health Function Membership if

Anyone running peptides, optimizing hormones, on a longevity protocol, or just wanting twice-yearly comprehensive labs at a fixed price.

Skip if

You already get comprehensive labs through your concierge clinic, or you only want the cheapest single-panel test (go InsideTracker).

Pick the Prenuvo Whole-Body MRI if

Buyers with family history of cancer, anyone over 50, those who want imaging-based screening as part of their longevity baseline.

Skip if

You're prone to anxiety over uncertain findings, or you don't have $1,199 to $4,999 to spend on a screening test, depending on tier and city.

Go deeper

FULL REVIEW
Read the Function Health Function Membership review →
FULL REVIEW
Read the Prenuvo Whole-Body MRI review →

Frequently asked

Which is better, the Function Health Function Membership or the Prenuvo Whole-Body MRI?

They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and who each one suits.

How much do they cost?

Function Health Function Membership: $365. Prenuvo Whole-Body MRI: $1,199 to $4,999. Prices are verified against the manufacturer; check the live links for current pricing.

Who should buy which one?

Function Health Function Membership: Anyone running peptides, optimizing hormones, on a longevity protocol, or just wanting twice-yearly comprehensive labs at a fixed price. Prenuvo Whole-Body MRI: Buyers with family history of cancer, anyone over 50, those who want imaging-based screening as part of their longevity baseline.

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