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Clinics · Comparison

Function Health vs OneTwenty

Both are primarily bloodwork & longevity providers, so the differences are in consult model, what is bundled, who prescribes, and price.

Function Health logo Function Health From $365/yr Read the Function Health review →
vs
OneTwenty logo OneTwenty From $499/yr membership Read the OneTwenty review →
Function Health OneTwenty
Our scoreNot scored9.2* / 10
Starting price$365/yr$499/yr membership
Primary serviceBloodwork & longevityBloodwork & longevity
All servicesBloodworkBloodwork, TRT, GLP-1, Peptides
Consult modelUnconfirmedUnconfirmed
PrescriberUnconfirmedUnconfirmed
LabsIncludedIncluded
InsuranceCash payCash pay
Availability48 states49 states
CancellationUnconfirmedSelf-serve online
Trustpilot4.4 / 5 (3,057 reviews)—
Regulatory / legal recordNone foundNone found
RelationshipIndependentIndependent

* Provisional score: one or two criteria could not be verified.

Choose Function Health if…

Adults who want twice-yearly broad lab testing at a flat cash price and do not need prescribing or treatment from the same service.

  • Core lab panel (160+ tests across two draws per year) included in the $365 annual fee
  • Single published annual price; HSA/FSA eligible
  • Draws at 2,000+ Quest locations or at-home draw option

Read the full Function Health review →

Choose OneTwenty if…

People who mainly want frequent longevity lab testing and wearable data tracking, accept an upfront non-refundable annual fee, and treat prescriptions as an optional add-on.

  • Four lab panels a year (101-marker baseline plus three follow-ups) are included in the membership price
  • Price is published up front: $499/yr ($749/yr in NY/NJ), with medications 'from $49/mo'
  • Lists 49 states (all but Rhode Island)

Read the full OneTwenty review →

Compare Function Health or OneTwenty with any other company in the comparison tool →

Function Health vs OneTwenty: common questions

Is Function Health or OneTwenty better?

We have not scored both. Function Health: Adults who want twice-yearly broad lab testing at a flat cash price and do not need prescribing or treatment from the same service. OneTwenty: People who mainly want frequent longevity lab testing and wearable data tracking, accept an upfront non-refundable annual fee, and treat prescriptions as an optional add-on.

Which is cheaper, Function Health or OneTwenty?

Function Health starts at $365/yr (labs included). OneTwenty starts at $499/yr membership ($749/yr in NY/NJ); medications from $49/mo extra. Compare what each price includes, especially labs and medication.

Do Function Health and OneTwenty include lab work?

Function Health: included. OneTwenty: included.

Which is easier to cancel?

Function Health: FAQ: no pauses, 'you can cancel and rejoin at any time'; 'Function does not offer refunds for prior payments.' The cancellation mechanism (in-app, email, etc.) is not described on the pages loaded. OneTwenty: Payment and Refund Policy (updated 2026-07-28): cancel via the option in account settings or by emailing support@onetwenty.com. The annual membership renews automatically. A refund is available only within 7 days of purchase and only if no service has started, minus a 3% fee. After that the annual fee is non-refundable, except for a discretionary prorated refund if no lab is reachable. Medication add-ons are non-refundable once prescribed.

Sources

Regulatory and primary sources

  1. Function Health review (6 sources) ↗
  2. OneTwenty review (6 sources) ↗
  3. Lindy Health clinic scoring rubric ↗