The best diagnostic platform of 2026

Mito Health - Built around past-lab upload and biological age

Essential panel $89.61 member / $125.51 non-member, one-time · check current price → · 117 to 178 biomarkers depending on panel (counts reflect the sex-specific panel selected at checkout) · Biological-age readout · Past-lab upload supported · AI-driven personalized action plans · Clinician-reviewed results · 1:1 video consult $39 member / $99 non-member · Genetics + gut microbiome add-ons · Core $198.69 / Pro $324.47 / Ultra $1,506.98 member

Mito Health entered the comprehensive-diagnostics market with a clear positioning: a comparable core product surface to Function Health (100+ biomarkers, AI insights, clinician review, longitudinal tracking). It no longer prices like Function. Mito sells one-time panels alongside an optional $9 a month membership, so entry is $89.61 for members or $125.51 without joining, against $365 a year at Function. Mito is now the cheaper way in by a wide margin and nothing renews unless you choose to retest, so the decision turns on panel breadth, cadence and what is bundled rather than on price: Function buys you 160+ markers and two draws a year, Mito buys you past-lab upload, biological age, add-ons and the freedom to test when you want. Prices and biomarker counts vary. New Jersey, New York and Rhode Island run through BioReference at higher prices, for example Core at $463.62 for members and $649.23 without joining, and counts reflect the sex-specific panel selected at checkout. Galleri is not sold in New York, New Jersey or Rhode Island, and Rhode Island has no Mito lab location, so buyers there visit a lab in a neighbouring state. Collection is a blood draw at a Quest, Labcorp or BioReference partner lab, or an at-home visit from a licensed phlebotomist for a flat $99 in most US states, with mail-back kits and scans also available. The draw fee is per visit and shown at checkout: Quest $15, Labcorp $11.50, BioReference $9.50. Mito prices verified 2026-09-15.

The substantive differences vs Function are real and matter. Mito explicitly lets members upload past lab results so each biomarker trends over time - Function only tracks data drawn through its own service, which means your first year is partially educational rather than fully diagnostic. If you have a folder of bloodwork from your primary care, your previous TRT clinic, or a prior Function membership, that historical data feeds Mito’s trend visualization. Mito also offers genetics and gut microbiome testing as paid add-ons, which Function does not currently cover. Whether those add-ons matter depends on your stack - most buyers won’t need them, but they exist for buyers building a deeper diagnostic surface.

Where Mito loses to Function is operational maturity. Mito is the newer of the two platforms, and Function’s 2022 launch came with a much larger paid-acquisition footprint and deeper editorial coverage. The community size, peer-comparison data, and integration ecosystem all trail Function meaningfully. For buyers who weight track record and ecosystem depth, Function still wins. For first-time comprehensive-diagnostics buyers without prior platform commitment, Mito is the rational entry point.

Function Health - The category-defining membership

$365/yr · 160+ biomarkers · 2x/year draws included · AI-driven insights and trend visualization · Clinician review for abnormal markers · Quest Diagnostics partner network

Function Health is the platform that productized the executive physical. Pre-Function, getting a 160+ marker comprehensive panel meant either a $3,000-5,000 concierge clinic visit or a sympathetic primary-care doctor willing to order the long list of advanced markers. Function turned it into a $365/year membership with twice-yearly draws at the Quest Diagnostics network, AI-driven trend insights, and clinician review on anything abnormal. The proposition was right and the timing was right - the longevity-medicine community had been bootstrapping data infrastructure for years and Function was the first credible platform to package it cleanly.

What Function does well: the panel breadth (160+ markers including advanced lipid fractions, comprehensive hormones, heavy metals, autoimmune markers, cancer-relevant screens), the trend visualization (most primary-care portals don’t plot biomarker trajectories over time), the AI insight layer that explains what changed since last cycle in plain English, and the operational scale that makes Quest network draws accessible nationwide. The 4-year track record means the community size, peer-comparison data, and editorial coverage are all deeper than newer entrants.

Where Function loses ground in 2026: no past-lab upload so your first year is partially educational rather than fully diagnostic, and no genetics or gut microbiome add-ons that Mito offers. Price is now a real gap rather than a rounding error: Function asks $365 a year where a one-time Mito Essential panel is $89.61 for members or $125.51 without joining, so Function has to win on what the membership bundles, the 160+ panel and the two draws a year. For buyers already in Function’s ecosystem with longitudinal data, there is no reason to move. For new buyers comparing across the four platforms in this guide, Function is the pick when the widest panel and ecosystem maturity matter most, and Mito when past-lab integration does.

InsideTracker Ultimate - The action-specific data platform

$589 single Ultimate panel · check current price → · 48 biomarkers · Algorithm-driven food / exercise / supplement recommendations · DNA add-on $189 · Lab draw or home kit · MIT-spinout science (founded 2009)

InsideTracker is the OG of “blood test plus AI advice.” The brand started in 2009 as MIT-spinout science applied to athlete bloodwork - fifteen years before Function Health existed. The Ultimate plan tests 48 biomarkers (vs Function’s 160+ and Mito’s 100+) but goes deeper on actionability: every result comes with specific food, exercise, and supplement recommendations tied to your individual numbers, plus DNA-informed adjustments if you add the genomics layer. Where Function and Mito tell you what your numbers are, InsideTracker tells you what to do about them.

The action specificity is the genuine differentiator. The recommendation engine maps individual biomarker values to a database of dietary and lifestyle interventions with published evidence behind them - if your ferritin is low, you get specific iron-rich foods plus supplementation guidance; if your cortisol is elevated, you get specific sleep and stress-management protocols; if your testosterone is mid-range, you get exercise volume and dietary recommendations targeting endogenous production. None of the other three platforms in this guide hit that level of “do X” specificity. Function and Mito surface the data and flag what changed; InsideTracker tells you the next step.

Where InsideTracker loses ground in 2026: the panel breadth caps at 48 markers, which is meaningfully narrower than Function’s 160+ or Mito’s 100+. For buyers wanting maximum biomarker coverage at the lowest annual cost, Function and Mito win on the math. The single-test pricing structure ($589 for Ultimate) also doesn’t scale as efficiently as the annual memberships if you’re running 2x/year cadence. The right buyer for InsideTracker is the one who values action specificity over biomarker breadth, doesn’t want to interpret raw lab data themselves, or wants the DNA-informed recommendation layer that Function and Mito don’t currently offer.

Lifeforce - The concierge longevity service

$349 first month, then $129/mo + medication and supplement add-ons · Quarterly draws · ~50 biomarkers · Dedicated MD + health coach pair · Prescribing relationship for hormones, peptides, GLP-1s · Tony Robbins-backed

Lifeforce is what Function Health would be if it tried to be your full longevity team instead of just your data layer. The membership bundles quarterly biomarker testing, a dedicated clinician + coach pair, and (when warranted) prescriptions - including hormone optimization, peptides, and longevity-targeted compounds. The pricing structure is the giveaway about who this is for: $349 first month then $129/mo recurring, plus add-ons for peptides ($150-400/mo each) and supplements. A serious member is spending $300-800/mo all-in once medication stacks. That’s not a gateway product - it’s a concierge service tier sitting alongside the diagnostic platforms in this guide rather than competing directly with them.

Where Lifeforce earns it: the clinician relationship is real, the coaching is meaningful for buyers who actually need accountability, and the integrated prescription flow saves you from cobbling together a peptide doctor + lab provider + supplement service yourself. For buyers who want a single concierge longevity provider - labs + coaching + prescriptions + accountability - the bundled model is genuinely valuable. The Tony Robbins-backed brand mostly attracts a specific buyer profile (high-touch coaching customers, not data-first optimizers), and the platform has invested heavily in the relationship layer that Function and Mito explicitly don’t offer.

Where Lifeforce doesn’t fit: data-first buyers who just want labs and trends should use Function or Mito for half to a third of the all-in cost. The biomarker breadth (~50 markers) is meaningfully narrower than Function’s 160+ or Mito’s 100+. The prescribing depth on hormones is shallower than Marek Health’s clinically aggressive multi-medication protocols. The right buyer for Lifeforce is the one who wants the bundled high-touch concierge model and budgets accordingly. The wrong buyer is the one comparing it head-to-head against Mito or Function on a per-biomarker-per-dollar basis.

Superpower - Price-matched to Function, with an at-home draw for a fee

$349/yr · check current price → code LIFESPANVAULT · 150+ biomarkers across a baseline and a retest · 2,000+ lab locations across 41 states plus DC · At-home draw for an added cost Superpower does not publish · Past-lab upload · Biological-age tracking · 24/7 care team · HSA/FSA eligible

Superpower is the newest platform in this guide and the one that most directly collides with Function Health on price. $349 a year against Function's $365 is a sixteen dollar gap for ten fewer markers, which means the old framing of this category, cheap option versus comprehensive option, no longer describes it. Verified on superpower.com/pricing on 11 September 2026. A $50 Labor Day discount ran until 7 September and has ended, so $349 is the standing ask rather than a promotional number.

What separates it is the draw, with a caveat that matters. Superpower will send a phlebotomist to your home or office, which among the platforms in this guide only Mito also offers. It is not free: Superpower states at-home labs carry an added cost and publishes no figure for the visit anywhere we checked, while our own September check recorded $119, which would put the door-to-door version at $468 in year one, $103 more than Function. Mito prices the same at-home draw at a flat $99 in most US states. The membership price covers a draw at any of 2,000+ lab locations across 41 states plus the District of Columbia, verified on superpower.com/locations on 15 September 2026. New York and New Jersey are both served, with 61 and 8 locations listed, and Superpower states pricing may vary for members there and that New York and New Jersey do not include a follow-up panel at this time. It also accepts uploads of external bloodwork, which puts it alongside Mito on past-lab integration rather than behind it, and it syncs Oura, Whoop and Apple Health.

Where it gives ground: the baseline panel is smaller than Function's 160+, and at a sixteen dollar discount that gap is not bought cheaply at all. Support is a 24/7 care team with protocols the company says are designed with physicians, which is not the same product as Mito's included clinician review and year-round Concierge support, or Lifeforce's dedicated clinician. And read the headline number carefully, because it is the one thing here most likely to mislead you. Superpower's own FAQ describes the baseline as over 60 biomarkers with 60 of them retested at the 6-month mark, verified 15 September 2026, so the 150+ figure counts the baseline and the retest together rather than 150 separate markers. Superpower publishes no distinct-marker count, so we do not print one and we do not derive a per-marker price from one. The retest has real value, seeing a marker move is the whole point of an annual panel, but it is not the same thing as broader coverage and the marketing does not make that easy to see. No editor's score yet. We are running the panel firsthand and the score lands with that review.

If you’re a first-time comprehensive-diagnostics buyer in 2026, buy Mito Health, a one-time Essential panel at $89.61 for members or $125.51 without joining, for 117 biomarkers on the sex-specific panel selected at checkout, past-lab integration, and AI-driven personalized insights. If you weight ecosystem maturity and the widest panel (160+ markers), Function Health at $365/year is the defensible alternative, and what the higher price buys is the wider panel and the two included draws. If you want the strongest action-specific recommendations rather than raw biomarker breadth, InsideTracker Ultimate at $589 single test is the right call. If you want a concierge longevity provider that bundles labs + coaching + prescriptions, Lifeforce at $129/mo recurring (plus extras) sits in a different category and is the right pick for buyers who want the high-touch model and budget for it. Pair any of these with a single-vertical prescriber like Marek Health for active TRT or peptide protocols, and an annual screening test (Galleri or Prenuvo) for the pathology layer your biomarker membership doesn’t cover. See our best NMN supplements and best longevity wearables guides for the surrounding stack.