Function Health vs Vitals Vault: Complete 2026 Comparison

Function Health sells a membership. Pricing ranges from about $349 to $599 depending on location and options. The membership includes two blood draws per year and ongoing access to their app.

The draw schedule typically splits testing into an initial panel and a mid-year follow-up. This fixed cadence works for some people who prefer a pre-set routine. It is less ideal if you want on-demand testing without a subscription clock.

Function Health markets around 160+ tests per year. The first draw generally includes a broad set of cardiometabolic, thyroid, inflammation, kidney, liver, and nutrient markers. The mid-year draw is positioned as a follow-up with additional routine labs and some repeats.

Both draws use Quest Diagnostics, which means convenience at scale. You get PDF access and a simple interface that flags out-of-range values. For many, that is enough to spark basic lifestyle choices.

Here is the nuance. Function Health’s annual count combines two separate draws. Based on their published panel lists and member discussions as of 2026, the first draw often covers about 100 unique biomarkers. The mid-year draw repeats many routine markers rather than adding a full 60 new unique biomarkers.

Why it matters: counts can look impressive, but repeated basics inflate totals without expanding insight. Unique biomarker diversity in a single draw is what powers cross-biomarker pattern recognition - the orchestra view.

Memberships auto-renew unless you cancel. That is in the Terms. If subscriptions tend to surprise you, plan for calendar reminders or choose a no auto-charge option elsewhere.

Add-on testing options exist but are limited compared with specialty labs. User reports estimate roughly 60-70 add-ons. Imported labs can be uploaded, but multiple members have noted that imported values do not flow into the app’s trend graphs. This limits a complete longitudinal view if you have 2-5 years of prior labs.

Fast is good. Shallow is not. Function Health’s primary view is a 1-page checklist-style summary with red or green flags. You see what is off, but not always why it is off or how it connects to other systems.

Isolated biomarker values can mislead. Ferritin can look fine until you pair it with CRP and GGT. LDL-C can look high until you place it beside ApoB, hs-CRP, and insulin. Without systems thinking, you are left with generic suggestions that feel copy-pasted and hard to operationalize.

Most platforms tell you which instruments are out of tune. Vitals Vault shows you how they play together - and why the whole symphony sounds off. That means we connect metabolism with hormones, inflammation with organ function, micronutrients with energy, and sleep-recovery patterns with glucose dynamics.

Cross-biomarker pattern recognition is the engine. Example: pairing ferritin with transferrin saturation, hs-CRP, ALT, and GGT can separate iron deficiency from inflammatory sequestration or subclinical liver strain. Example 2: putting fasting insulin, ApoB, triglyceride-to-HDL ratio, and ALT together often exposes early metabolic risk years before an A1C crosses a line.

If your analysis fits in one paragraph, you are missing the story. Our 90-page Functional Health Report is designed to read like a physician-level dossier you can actually understand.

• Systems-level analysis connecting 100-160+ biomarkers

• Root-cause narratives that explain WHY a marker is off

• Personalized protocols prioritized by impact and feasibility

• 3,000+ peer-reviewed studies informing each recommendation

• Board-certified physician review on every report - no exceptions

• Downloadable, shareable PDF you own

You get next-day lab values and a complete AI + clinician report in 5-10 days. That turnaround compresses decision-making from months to a single week.

Know your biological age, not just your lab ranges. Vitals Vault includes the PhenoAge Biological Age Score so you can see if you are aging faster or slower than your years.

Use it to measure interventions. If you improve sleep, nutrition, and training, does your biological age respond within one quarter? You will see the trend line.

Results should speak for themselves. If we do not identify at least 3 biomarkers or areas that need optimization, you pay nothing. That is a 100% refund. If we cannot help you act, we will not keep your money.

One easy blood draw, one visit, 160+ biomarkers. Competitors often require two draws to hit their advertised annual counts. We streamline logistics so your focus is interpretation and action, not appointments.

Transparent pricing beats subscription surprises. Choose what you need, when you need it.

HSA/FSA eligible. No auto-charge. No subscription surprises. Buy a panel when you want one.

Do not let your platform limit your curiosity. Vitals Vault offers 1,000+ add-on panels at 80-90% off retail - micronutrients, cardiovascular risk, advanced hormones, autoimmunity, mold, environmental exposures, and more. Most competitors list 60-70 add-ons. Depth matters when you are chasing root cause.

Some platforms inflate totals by counting repeated routine markers across multiple draws. Vitals Vault packs 100-160+ unique biomarkers into one draw so cross-system signals emerge immediately.

Why it matters: pattern detection needs density. You cannot see metabolic-inflammation-hormone interactions if you are missing key nodes in half the network until six months later.

Checklists flag what. Orchestras explain why. When ferritin is elevated, the story changes completely depending on hs-CRP, ALT, GGT, and fasting insulin. When TSH nudges up, the implication depends on free T4, free T3, reverse T3, ferritin, selenium, and even liver markers.

Example: ferritin + CRP + liver enzymes

• Ferritin high + CRP high + ALT/GGT high suggests inflammatory or hepatic drivers.

• Ferritin low + CRP normal + transferrin saturation low points to iron deficiency.

• Ferritin normal + CRP elevated with ApoB high shifts focus to cardiometabolic inflammation.

One-pagers rarely surface these branches. A 90-page dossier does.

A one-page summary is a starting point. A 90-page report is a plan. Vitals Vault layers:

• Narrative explanations tied to your exact values

• Prioritized action items with expected effect sizes

• Safety checks and physician notes

• Research citations for every recommendation

• Trend projections based on your imported history

This is why users call the interpretation the holy sh*t moment.

PhenoAge is included so progress becomes visible. Dial down inflammation, improve insulin sensitivity, optimize sleep, and your biological age should reflect it. Without this metric, you guess.

Function Health allows PDF downloads but user reports say imported outside labs do not populate trend graphs. That fragments your timeline. Vitals Vault imports ALL labs and actually trends them across years. You are building a longitudinal health asset you control.

Function Health sells a membership. Vitals Vault sells understanding you can keep.

When you hit a diagnostic fork, you need optionality. Vitals Vault offers over 1,000 add-ons at wholesale rates. That flexibility beats the constraints of a short add-on menu every time you need to double-click on a finding.

Yes. Vitals Vault uses CLIA-certified labs through the national Quest Diagnostics network with 2,000+ locations. We are HIPAA compliant and SOC 2 Type II certified.

Function Health provides a concise flag-based view. Vitals Vault delivers a 90-page Functional Health Report that connects biomarkers across systems, explains root causes, cites 3,000+ studies, and includes physician review. It is the orchestra vs checklist difference.

Your body is an orchestra, not a checklist. Instead of isolated values, we map cross-biomarker patterns so you see how metabolism, hormones, inflammation, and organ function interact - and what to do first.

PhenoAge estimates biological aging based on a validated set of biomarkers. It shows whether you are aging faster or slower than your chronological age and lets you measure the impact of lifestyle changes.

If we do not identify at least 3 biomarkers or areas that need optimization, you get a 100% refund. If we cannot add value, you do not pay.

Function Health is roughly $349-$599 with auto-renewal. Vitals Vault is $99 for Essential, $199 for Advanced, and $399 for Max. At about $370, you could buy about 3.7 Essential panels.

Function Health memberships auto-renew per their Terms. Vitals Vault does not auto-charge. Buy a panel when you want one.

Yes. Vitals Vault panels are HSA and FSA eligible.

100-160+ biomarkers in a single blood draw, depending on the panel you choose.

Yes. Vitals Vault lets you import ALL past labs and actually uses them in trends and analysis. Many users have reported that other platforms allow imports but do not display them in trend graphs.

You get lab values next day in most cases. Your complete AI + physician-reviewed report arrives in 5-10 days.

Yes. Results come from CLIA-certified labs used by clinicians nationwide. You can download and share your report directly.