Blood Test Watchdog

Function Health vs Labcorp OnDemand

Labcorp OnDemand is cheaper to start ($189 vs $365 per year, lowest published plans). Function Health scores higher overall (9.0 vs 8.5).

By Julian Caraulani · prices checked

Quick verdict

Our pick between the two: Function Health

Function Health scores 9.0/10 against 8.5 for Labcorp OnDemand, ahead on access and reputation. Labcorp OnDemand can still be the better fit: it is best for people near a Labcorp center who want a lab-run panel with no membership.

Side by side

Function HealthLabcorp OnDemand
Lowest price$365/yr (yearly membership, auto-renews)$189/yr (one-off test)
Our score9.0/108.5/10
TreatmentsLongevity membershipsLab test orders
Medication in priceNot statedNot stated
Drugs dispensedNot statedNot stated
LabsNot statedNot stated
MembershipNot statedNot stated
InsuranceNo; self-payNo; self-pay
States48 states (not RI, HI), per its own site (2026-10-31)Not confirmed: no state list found on its own site (2026-10-31)
CancellationCancel and rejoin anytime; no pauses; no refunds for prior payments; auto-renews annually at then-current price.In-person tests refundable within 1 year if no sample given, less $20; kits within 60 days less $45.
FDA warning lettersNone found (October 31, 2026)None found (October 31, 2026)
Trustpilot4.5/5 (3,102 reviews)2.5/5 (11 reviews)
Best forPeople who want the widest yearly panel, retested twice, in one membership.People near a Labcorp center who want a lab-run panel with no membership.
Prices checked2026-10-312026-10-31

Function Health: a closer look

Yearly membership: 100+ markers at Quest, a mid-year retest and a clinician summary. We searched the FDA warning-letter database on October 31, 2026 and found no letter naming Function Health.

In its favour

  • Measures ApoB, Lp(a), fasting insulin, omega-3 and heavy metals in the base price
  • Two draws a year included
  • Clinicians review every result

To weigh

  • No refunds for prior payments, and membership auto-renews at the then-current price.
  • '160+ lab tests' counts the mid-year retest; the annual draw is 100+.
  • NY/NJ residents can be billed lab fees on top of the membership, amount not disclosed upfront.
  • Not available in Rhode Island, Hawaii or Puerto Rico.

Labcorp OnDemand: a closer look

Labcorp's own store: order panels and single tests, approved by an independent physician. We searched the FDA warning-letter database on October 31, 2026 and found no letter naming Labcorp OnDemand.

In its favour

  • The lab sells directly: no middleman
  • Physician network orders the test and calls on follow-up
  • HSA and FSA accepted

To weigh

  • $20 provider-order fee is kept if you cancel.
  • Anyone linked to your Labcorp Patient account sees all OnDemand results.
  • No collection sites in some states; you must travel.

Which should you choose?

Choose Function Health

Best for people who want the widest yearly panel, retested twice, in one membership. Its lowest all-in plan is $365/yr (yearly membership, auto-renews).

Check Function Health's price

Choose Labcorp OnDemand

Best for people near a Labcorp center who want a lab-run panel with no membership. Its lowest all-in plan is $189/yr (one-off test).

Check Labcorp OnDemand's price

Function Health vs Labcorp OnDemand: questions people ask

Is Function Health or Labcorp OnDemand cheaper?

Labcorp OnDemand starts lower at $189 per year versus $365 at Function Health, comparing each program's lowest all-in plan.

Which is better, Function Health or Labcorp OnDemand?

On our published score Function Health rates 9.0 and Labcorp OnDemand rates 8.5. Function Health is best for people who want the widest yearly panel, retested twice, in one membership; Labcorp OnDemand is best for people near a Labcorp center who want a lab-run panel with no membership.

Do Function Health and Labcorp OnDemand offer the same treatments?

Function Health: Longevity memberships. Labcorp OnDemand: Lab test orders.

Does either include the medication in the price?

Function Health: not stated. Labcorp OnDemand: not stated.

Blood Test Watchdog compares testing services. It is not medical advice, does not interpret results and does not publish reference ranges as advice. Talk to a licensed clinician about which tests you need and what your results mean. Partner links may earn us a commission; our score never depends on it. Compare other programs.