Superpower vs Walk-In Lab
Superpower is cheaper to start ($199 vs $305 per year, lowest published plans). Superpower scores higher overall (8.8 vs 7.3).
By Julian Caraulani · prices checked
Quick verdict
Our pick between the two: Superpower
Superpower scores 8.8/10 against 7.3 for Walk-In Lab, ahead on price, price transparency and clinical care. Walk-In Lab can still be the better fit: it is best for people who want a choice of Labcorp or Quest for the same order.
Side by side
| Superpower | Walk-In Lab | |
|---|---|---|
| Lowest price | $199/yr (yearly membership, auto-renews) | $305/yr (one-off panel) |
| Our score | 8.8/10 | 7.3/10 |
| Treatments | Longevity memberships | Lab test orders |
| 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 | 41 states (not AK, AR, HI, LA, MS, ND, RI, SD, WY), per its own site (2026-10-31) | 44 states (not NY, NJ, RI, MD, MA, AZ), per its own site (2026-10-31) |
| Cancellation | Cancel anytime, no fee; membership stays active through the paid year; auto-renews. Membership Agreement (effective 9.15.2026) adds a one-time Satisfaction Refund of the base fee if requested by the earlier of 7 days after first results or 45 days after start. FAQ still says no refunds (conflict). Binding arbitration with 30-day opt-out. | Refund before specimen only: partial refund within 7 days; 8 to 180 days less $10; after 181 days site credit. |
| FDA warning letters | None found (October 31, 2026) | None found (October 31, 2026) |
| Trustpilot | 4.4/5 (340 reviews) | 4.8/5 (6,058 reviews) |
| Best for | People who want a broad yearly panel at the lowest membership price. | People who want a choice of Labcorp or Quest for the same order. |
| Prices checked | 2026-10-31 | 2026-10-31 |
Superpower: a closer look
Yearly membership: one Baseline panel at Quest, clinician review, AI chat. We searched the FDA warning-letter database on October 31, 2026 and found no letter naming Superpower.
In its favour
- Lowest yearly membership price we track outside NY and NJ
- Clinicians from an independent medical group review results
- Satisfaction refund in its membership agreement
To weigh
- '100+ biomarkers' includes calculated ratios; Function's lawsuit alleges about 55 direct measurements (allegation).
- NY/NJ members pay double ($399).
- At-home draws cost extra and the fee is only shown at booking.
- Not available in 9 states.
Walk-In Lab: a closer look
Lab-test store with a choice of Labcorp or Quest and a $6 physician fee per order. We searched the FDA warning-letter database on October 31, 2026 and found no letter naming Walk-In Lab.
In its favour
- Choose Labcorp or Quest
- 4.8 on Trustpilot from 6,000+ reviews
- Says it does not sell customer information
To weigh
- $6 physician fee added per order.
- No physician results review or follow-up; you are told to see your own provider.
- Labcorp route blocked in MD and MA too, beyond the usual NY/NJ/RI.
Which should you choose?
Choose Superpower
Best for people who want a broad yearly panel at the lowest membership price. Its lowest all-in plan is $199/yr (yearly membership, auto-renews).
Check Superpower's priceChoose Walk-In Lab
Best for people who want a choice of Labcorp or Quest for the same order. Its lowest all-in plan is $305/yr (one-off panel).
Check Walk-In Lab's priceSuperpower vs Walk-In Lab: questions people ask
Is Superpower or Walk-In Lab cheaper?
Superpower starts lower at $199 per year versus $305 at Walk-In Lab, comparing each program's lowest all-in plan.
Which is better, Superpower or Walk-In Lab?
On our published score Superpower rates 8.8 and Walk-In Lab rates 7.3. Superpower is best for people who want a broad yearly panel at the lowest membership price; Walk-In Lab is best for people who want a choice of Labcorp or Quest for the same order.
Do Superpower and Walk-In Lab offer the same treatments?
Superpower: Longevity memberships. Walk-In Lab: Lab test orders.
Does either include the medication in the price?
Superpower: not stated. Walk-In Lab: 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.