Function Health vs LetsGetChecked
LetsGetChecked is cheaper to start ($99 vs $365 per year, lowest published plans). Function Health scores higher overall (9.0 vs 7.4).
By Julian Caraulani · prices checked
Quick verdict
Our pick between the two: Function Health
Function Health scores 9.0/10 against 7.4 for LetsGetChecked, ahead on price and reputation. LetsGetChecked can still be the better fit: it is best for people who want one focused home kit, such as hormones or thyroid antibodies.
Side by side
| Function Health | LetsGetChecked | |
|---|---|---|
| Lowest price | $365/yr (yearly membership, auto-renews) | $99/yr (one-off kit) |
| Our score | 9.0/10 | 7.4/10 |
| Treatments | Longevity memberships | At-home test kits, Hormone panels |
| Medication in price | Not stated | Not stated |
| Drugs dispensed | Not stated | Not stated |
| Labs | Not stated | Not stated |
| Membership | Not stated | Not stated |
| Insurance | No; self-pay | No; self-pay |
| States | 48 states (not RI, HI), per its own site (2026-10-31) | 49 states (not NY), per its own site (2026-10-31) |
| Cancellation | Cancel and rejoin anytime; no pauses; no refunds for prior payments; auto-renews annually at then-current price. | 14-day cancellation from delivery for unopened kits, refund minus kit and shipping cost; Subscribe & Save renews at then-current price until canceled. |
| FDA warning letters | None found (October 31, 2026) | None found (October 31, 2026) |
| Trustpilot | 4.5/5 (3,102 reviews) | 4.3/5 (18,854 reviews) |
| Best for | People who want the widest yearly panel, retested twice, in one membership. | People who want one focused home kit, such as hormones or thyroid antibodies. |
| Prices checked | 2026-10-31 | 2026-10-31 |
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.
LetsGetChecked: a closer look
At-home finger-prick kits run in its own CLIA-certified, CAP-accredited lab. We searched the FDA warning-letter database on October 31, 2026 and found no letter naming LetsGetChecked.
In its favour
- Owns its CLIA-certified, CAP-accredited lab
- Clinician reviews results
- 4.3 on Trustpilot from 18,000+ reviews
To weigh
- Several hormone and STI kits are barred in New York.
- Treatment consult and medication are not included in kit prices.
- Opened kits cannot be returned, and refunds deduct kit and shipping costs.
- No vitamin D or single-marker ApoB/Lp(a)/hs-CRP kit found in the current US catalog (vitamin D URL redirects to product-not-available).
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 priceChoose LetsGetChecked
Best for people who want one focused home kit, such as hormones or thyroid antibodies. Its lowest all-in plan is $99/yr (one-off kit).
Check LetsGetChecked's priceFunction Health vs LetsGetChecked: questions people ask
Is Function Health or LetsGetChecked cheaper?
LetsGetChecked starts lower at $99 per year versus $365 at Function Health, comparing each program's lowest all-in plan.
Which is better, Function Health or LetsGetChecked?
On our published score Function Health rates 9.0 and LetsGetChecked rates 7.4. Function Health is best for people who want the widest yearly panel, retested twice, in one membership; LetsGetChecked is best for people who want one focused home kit, such as hormones or thyroid antibodies.
Do Function Health and LetsGetChecked offer the same treatments?
Function Health: Longevity memberships. LetsGetChecked: At-home test kits, Hormone panels.
Does either include the medication in the price?
Function Health: not stated. LetsGetChecked: 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.