SiPhox Health vs Superpower
Superpower is cheaper to start ($199 vs $298 per year, lowest published plans). Superpower scores higher overall (8.8 vs 7.0).
By Julian Caraulani · prices checked
Quick verdict
Our pick between the two: Superpower
Superpower scores 8.8/10 against 7.0 for SiPhox Health, ahead on price and clinical care. SiPhox Health can still be the better fit: it is best for people who want to test at home on their own schedule and track change over time.
Side by side
| SiPhox Health | Superpower | |
|---|---|---|
| Lowest price | $298/yr (per testing cycle; slowest cadence is every 6 months) | $199/yr (yearly membership, auto-renews) |
| Our score | 7.0/10 | 8.8/10 |
| Treatments | At-home test kits, Hormone panels | Longevity memberships |
| 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 HI, NY), per its own site (2026-10-31) | 41 states (not AK, AR, HI, LA, MS, ND, RI, SD, WY), per its own site (2026-10-31) |
| Cancellation | Cancel, pause or modify anytime from the account portal; keep access to past data. | 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. |
| FDA warning letters | None found (October 31, 2026) | None found (October 31, 2026) |
| Trustpilot | 4.7/5 (718 reviews) | 4.4/5 (340 reviews) |
| Best for | People who want to test at home on their own schedule and track change over time. | People who want a broad yearly panel at the lowest membership price. |
| Prices checked | 2026-10-31 | 2026-10-31 |
SiPhox Health: a closer look
At-home upper-arm kits on a subscription, tested monthly, quarterly or twice a year. We searched the FDA warning-letter database on October 31, 2026 and found no letter naming SiPhox Health.
In its favour
- At-home upper-arm collection, no lab visit
- Cancel, pause or switch panels any time
- States CLIA and CAP accredited partner lab
To weigh
- Headline price excludes $25 shipping per cycle; $99 is first cycle only.
- Not available in New York or Hawaii.
- Privacy policy allows selling aggregated data and sharing de-identified data with AI vendors.
- Wellness-only service; outsourced lab, recurring subscription billed per cycle.
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.
Which should you choose?
Choose SiPhox Health
Best for people who want to test at home on their own schedule and track change over time. Its lowest all-in plan is $298/yr (per testing cycle; slowest cadence is every 6 months).
Check SiPhox Health's priceChoose 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 priceSiPhox Health vs Superpower: questions people ask
Is SiPhox Health or Superpower cheaper?
Superpower starts lower at $199 per year versus $298 at SiPhox Health, comparing each program's lowest all-in plan.
Which is better, SiPhox Health or Superpower?
On our published score SiPhox Health rates 7.0 and Superpower rates 8.8. SiPhox Health is best for people who want to test at home on their own schedule and track change over time; Superpower is best for people who want a broad yearly panel at the lowest membership price.
Do SiPhox Health and Superpower offer the same treatments?
SiPhox Health: At-home test kits, Hormone panels. Superpower: Longevity memberships.
Does either include the medication in the price?
SiPhox Health: not stated. Superpower: 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.