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The best Function Health alternatives in 2026
Five credible replacements, compared on biomarker count, price, testing cadence, and what they do better.
By Elo. Last updated:
Empirical Health combines lower pricing with physician-led medical care. WHOOP Advanced Labs is best for existing WHOOP users, Superpower for ongoing care-team access, InsideTracker for nutrition and training guidance, and Vitals Vault for testing without a subscription.
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Function Health alternatives at a glance
Function Health's Annual Membership costs $365 and contains 114 distinct biomarkers in our normalized dataset. The table compares that with each alternative's default panel.
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Annual test totals can include repeat tests. Distinct marker counts below count each marker once. One-time panels and subscriptions cover different amounts of testing.
| Feature | Function Health Annual Membership | Empirical Health Comprehensive Health Panel | WHOOP Advanced Labs Advanced Labs (Annual) | Superpower Basic | InsideTracker Ultimate | Vitals Vault Max |
|---|---|---|---|---|---|---|
| First year / purchase | $365 for the first year | $190 one-time | $349 listed; confirm billing period | $349 for the first year | $499 listed; confirm billing period | $399 listed; confirm billing period |
| Renewal / repeat testing | $365/year currently; renews at the then-current price | No annual lab subscription; additional testing is purchased separately | Not verified; check renewal and repeat-test charges | Annual membership; confirm the renewal rate at checkout | Not verified; check renewal and repeat-test charges | Not verified; check renewal and repeat-test charges |
| Included draws | 2: initial panel + smaller follow-up | 1 lab visit | Twice per year (75 biomarkers per draw) | 2: baseline + retest | On-demand (pay per test, discounted with membership) | One-time purchase |
| Extra costs | Add-on tests and imaging cost extra. NY/NJ lab fees may apply. | Optional tests and medical services may have separate charges; confirm the selected plan. | Not verified; check draw, membership and add-on fees | At-home draws and add-ons cost extra. NY/NJ prices may vary. | Not verified; check draw, membership and add-on fees | Not verified; check draw, membership and add-on fees |
| Clinician access | Clinician-reviewed results and notes; not ongoing medical care | Physician-led service; confirm medical-visit coverage for your plan | Results review listed; direct clinician access not confirmed | Care-team messaging and results guidance | Direct clinician access not listed | Direct clinician access not listed |
| Advertised annual tests | 160+ tests including repeats, not 160 unique markers | Annual total not verified; see the distinct marker count below | Annual total not verified; see the distinct marker count below | 150+ lab tests across baseline and retest, including repeats | Annual total not verified; see the distinct marker count below | Annual total not verified; see the distinct marker count below |
| Price source | Official pricingChecked 2026-10-06 | Official pricingChecked 2026-10-06 | Verification pending | Official pricingChecked 2026-10-06 | Verification pending | Verification pending |
| Distinct markers in our dataset | 114 | 100 | 65 | 59 | 48 | 58 |
| Best for | Broad recurring screening | for lower cost and medical care | for existing WHOOP users | for ongoing care-team access | for nutrition and training guidance | for testing without a subscription |
| Features | ||||||
| iOS app | ✓ | ✓ | ✓ | ✓ | ✓ | — |
| Web app | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Android app | ✓ | ✓ | ✓ | — | ✓ | — |
| Wearable integration | ✓ | ✓ | ✓ | ✓ | ✓ | — |
| Prescriptions | — | ✓ | — | ✓ | — | — |
Testing frequency details
- Function Health: Twice per year (Annual: 100+ tests, Follow-up: 60+ tests)
- Empirical Health: On-demand (pay per test)
- WHOOP Advanced Labs: Twice per year (75 biomarkers per draw)
- Superpower: Twice per year (Baseline + re-test)
- InsideTracker: On-demand (pay per test, discounted with membership)
- Vitals Vault: One-time purchase
How to read the table: ✓ means the feature is included; — means it is not included in the named package. “Access to clinicians” means members can message or consult a clinician or care team; a clinician reviewing a report alone does not count.
Primary sources checked September 2026: Function Health, Empirical Health, WHOOP Advanced Labs, Superpower, InsideTracker, Vitals Vault. Each column uses the representative package named in its header.
Marker counts are normalized from published panels, so they can differ from company marketing totals. Providers sometimes bundle or split the same lab result differently.
Function Health compared with each alternative
Function Health vs Empirical Health
Best for lower cost and medical care
Lower pricing plus physician-led care that can continue from lab results into treatment.
- Choose it if:
- You want physician involvement and prescriptions when appropriate at roughly half Function's price.
- Tradeoff:
- Less exhaustive testing and less emphasis on a large consumer dashboard.
Both Function Health and Empirical Health offer preventive blood testing with digital results and personalized health guidance. Empirical Health costs $190 for 100 distinct biomarkers and physician review, whereas Function Health costs $365 per year for 114 distinct biomarkers with a mid-year retest. Empirical Health is better for lower-cost testing with medical guidance and treatment; Function Health is better for broader screening.
Function Health vs WHOOP Advanced Labs
Best for existing WHOOP users
Blood results alongside the sleep, recovery, and training data you already track in WHOOP.
- Choose it if:
- You use WHOOP and want two annual draws plus lab results beside recovery and sleep data.
- Tradeoff:
- A smaller core panel; the wearable-data context is only available to WHOOP members.
Both Function Health and WHOOP Advanced Labs include two blood draws per year, can be purchased without a wearable membership, and present results in a consumer health app. WHOOP Advanced Labs costs $349 per year for 65 biomarkers per draw, whereas Function Health costs $365 per year for 114 distinct biomarkers across a broader initial panel and a narrower follow-up. WHOOP Advanced Labs is better for WHOOP members who want labs beside wearable data; Function Health is better for broader lab-first screening.
Function Health vs Superpower
Best for ongoing care-team access
A familiar consumer health dashboard with ongoing care-team messaging and access to prescriptions.
- Choose it if:
- You want to message a care team about your results and next steps, with access to prescriptions when appropriate. Superpower says messages can be sent anytime, with replies within 24 hours on weekdays.
- Tradeoff:
- Its normalized panel is still narrower than Function's, and it does not have an Android app.
Both Function Health and Superpower provide broad preventive blood testing, consumer-friendly dashboards, and personalized explanations. Superpower costs $349 per year for 59 distinct biomarkers across a baseline plus re-test, whereas Function Health costs $365 per year for 114 distinct biomarkers and includes an initial test plus a narrower mid-year retest. Superpower is better for ongoing care-team access; Function Health is better for broader baseline coverage.
Function Health vs InsideTracker
Best for nutrition and training guidance
Guidance on food, exercise, and lifestyle for people focused on performance.
- Choose it if:
- You prioritize nutrition, training, and lifestyle recommendations over the broadest biomarker panel.
- Tradeoff:
- It costs more and covers fewer biomarkers than Function.
Both Function Health and InsideTracker turn blood-test results into personalized health and lifestyle recommendations. InsideTracker costs $499 for 48 distinct biomarkers in its default Ultimate panel, whereas Function Health costs $365 per year for 114 distinct biomarkers and includes a mid-year retest. InsideTracker is better for nutrition and training guidance; Function Health provides broader testing for less money.
Function Health vs Vitals Vault
Best for testing without a subscription
Choose a panel and pay once, without an annual subscription.
- Choose it if:
- You want to pay once, choose among several panel sizes, and avoid a subscription.
- Tradeoff:
- No native mobile app or included mid-year retest.
Both Function Health and Vitals Vault provide broad, direct-to-consumer blood testing through a digital results dashboard. Vitals Vault's default Max panel is a one-time $399 purchase covering 58 distinct biomarkers, whereas Function Health costs $365 per year for 114 distinct biomarkers and includes a mid-year retest. Vitals Vault is better for avoiding a subscription; Function Health is better for repeat testing and a more polished app experience.
How we compare alternatives
We normalize each provider's published panel into distinct biomarkers, then compare marker count, price, iOS, web and Android access, wearable integrations, testing frequency, prescriptions, and direct clinician access. Each column uses a representative package selected for comparability, which is not necessarily the provider's cheapest option. Normalization prevents obvious duplicate spellings from inflating a panel, but company totals may still differ because providers bundle and report results differently.
The labels above are editorial recommendations, not a composite medical score. Marker count shows breadth, not whether the panels contain the same tests or whether those tests are appropriate for you. More testing is not automatically better, and a clinician should help decide which tests are relevant.