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 | OneTwenty | |
|---|---|---|
| Our score | Not scored | 9.2* / 10 |
| Starting price | $365/yr | $499/yr membership |
| Primary service | Bloodwork & longevity | Bloodwork & longevity |
| All services | Bloodwork | Bloodwork, TRT, GLP-1, Peptides |
| Consult model | Unconfirmed | Unconfirmed |
| Prescriber | Unconfirmed | Unconfirmed |
| Labs | Included | Included |
| Insurance | Cash pay | Cash pay |
| Availability | 48 states | 49 states |
| Cancellation | Unconfirmed | Self-serve online |
| Trustpilot | 4.4 / 5 (3,057 reviews) | — |
| Regulatory / legal record | None found | None found |
| Relationship | Independent | Independent |
* 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)
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.

