Function Membership vs InsideTracker Ultimate Plan
Specs, prices, editor verdict, and who should buy which, compared side by side.
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Function Membership (premium, $365/yr) vs InsideTracker Ultimate Plan (mid, $199 to $647/test). Different tools for different jobs (see the per-product details below).
Compared on 3 shared specs · cross-category comparison (ai software vs diagnostic).
We have not scored these two head to head, so this page does not name a winner. The InsideTracker Ultimate Plan starts at $199/test and the Function Membership at $365/yr. The per-buyer recommendations below say who each one suits.
Side-by-side specs
| Spec | Function Membership | InsideTracker Ultimate Plan |
|---|---|---|
| price | $365/yr | $199 to $647/test |
| biomarkers | 160+ lab tests | 48 (Ultimate) |
| frequency | 2x/year | Single tests or annual |
| delivery | Lab draw at Quest network | Lab draw or home kit |
Function Membership also publishes: clinician review, subscription
InsideTracker Ultimate Plan also publishes: dna add on
Who should buy which
Anyone running peptides, optimizing hormones, on a longevity protocol, or just wanting twice-yearly comprehensive labs at a fixed price.
You already get comprehensive labs through your concierge clinic, or you only want the cheapest single-panel test (go InsideTracker).
Buyers who want test results paired with explicit "do X" recommendations rather than raw lab data they have to interpret.
You want maximum biomarker coverage at the lowest annual cost - Function Health wins on that math.
Go deeper
Frequently asked
Which is better, the Function Membership or the InsideTracker Ultimate Plan?
We have not scored these two head to head, so this page does not name a winner. The InsideTracker Ultimate Plan starts at $199/test and the Function Membership at $365/yr. The per-buyer recommendations below say who each one suits.
How much do they cost?
Function Membership: $365. InsideTracker Ultimate Plan: $199 to $647. Prices are verified against the manufacturer; check the live links for current pricing.
Who should buy which one?
Function Membership: Anyone running peptides, optimizing hormones, on a longevity protocol, or just wanting twice-yearly comprehensive labs at a fixed price. InsideTracker Ultimate Plan: Buyers who want test results paired with explicit "do X" recommendations rather than raw lab data they have to interpret.
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