Function Membership vs Levels Membership
Specs, prices, editor verdict, and who should buy which, compared side by side.
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.
Function Membership (premium, $365/yr) vs Levels Membership (premium, $199/yr). Different tools for different jobs (see the per-product details below).
Compared on 1 shared spec · same category (ai software).
We have not scored these two head to head, so this page does not name a winner. The Levels Membership starts at $199/yr and the Function Membership at $365/yr. The per-buyer recommendations below say who each one suits.
Side-by-side specs
| Spec | Function Membership | Levels Membership |
|---|---|---|
| price | $365/yr | $199/yr |
| subscription | $365/yr | $199/yr |
Function Membership also publishes: biomarkers, frequency, clinician review, delivery
Levels Membership also publishes: hardware, features
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).
Anyone wanting to understand their personal food/exercise/sleep response to glucose, or working on insulin sensitivity.
You're prone to obsessing over normal variation, or you already have well-managed metabolic health and don't need data.
Go deeper
Frequently asked
Which is better, the Function Membership or the Levels Membership?
We have not scored these two head to head, so this page does not name a winner. The Levels Membership starts at $199/yr 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. Levels Membership: $199. 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. Levels Membership: Anyone wanting to understand their personal food/exercise/sleep response to glucose, or working on insulin sensitivity.
The Longevity Gear Buyer's Checklist
The specs that actually decide whether a sauna, cold plunge, red light panel, or smart ring is worth it, plus the real price range for each. Get the free PDF, plus one weekly email on the gear worth buying.

