Function Health vs InsideTracker for CGM Diagnostics (2026): Cost & Which Wins

Best for Function Health

Users who want deep, longitudinal diagnostic data to guide their own health decisions or share with their care providers.

Best for InsideTracker

Users who want a mainstream at-home or national biomarker tracking comparison point.

Biggest difference

Telehealth-first vs Telehealth-first access model.

Decision helper

Function Health: Function publicly states membership is $365/year for 160+ lab tests per year. InsideTracker: InsideTracker shows a visible starting price of $149 per package, but deeper pricing detail is not fully public on the reviewed pages.

Notable limitations

Function Health: Function Health does not prescribe or deliver therapies — it is a diagnostic platform, not a treatment provider.

InsideTracker: Some final pricing still depends on consult review, location, or service customization.

Publicly verified care model notes

Function Health: The reviewed public pricing article focuses on membership and results experience rather than a required clinician consult flow.

InsideTracker: A mandatory consult step was not clearly listed on the reviewed homepage.

Function Health: Lab testing is included or clearly signaled in the visible program structure.

InsideTracker: Lab testing is signaled in the visible care model.

Function Health: Cancellation details were not clearly listed on the reviewed public pricing article.

InsideTracker: No clear cancellation or refund language was surfaced on the reviewed official pages.

Transparency notes

Function Health: The reviewed Function page explicitly says 'No insurance, transparent pricing'.

InsideTracker: Payment, privacy, or billing-policy pages were reviewed, but insurance, HSA, or FSA handling should still be confirmed directly.

Function Health: Medication changes, shipping, or higher treatment tiers may still change the final bill.

InsideTracker: Medication changes, shipping, or premium tiers may still change the final bill.

Data snapshot — pricing sourced from public provider rates

Last updated

Apr 28, 2026

Providers analyzed

Price range

$499 vs $149

Methodology

How we collect data

Disclosure

Affiliate relationships

Function Health

Established operator

A diagnostic-first membership that covers 100+ biomarkers with physician review — built for proactive health monitoring rather than treatment.

Function Health is a comprehensive lab testing membership that gives members access to 100+ biomarker panels reviewed by physicians, designed to surface health insights that standard annual exams typically miss.

Wellness LabsSupplementsCGM DiagnosticsSleep Optimization

Starting price

$499

per package

Service availability

Telehealth available

Labs included

Telehealth nationwide

Users who want deep, longitudinal diagnostic data to guide their own health decisions or share with their care providers.

Health-focused individuals who feel standard annual bloodwork is insufficient for proactive longevity monitoring.

See Pricing Details Check Provider

InsideTracker

Official website reviewed

consumer diagnostics platform built around biomarker testing and personalized health tracking

InsideTracker is a consumer diagnostics platform built around biomarker testing and personalized health tracking.

Wellness LabsCGM DiagnosticsCardiometabolic Health

Starting price

$149

per package

Service availability

Telehealth available

Labs included

National diagnostics platform

Users who want a mainstream at-home or national biomarker tracking comparison point.

Visitors who care more about labs and coaching insight than clinic procedures.

See Pricing Details Check Provider

Signal	Function Health	InsideTracker
CGM Diagnostics price	$499	$149
Price range	$499	$149
Care model	Telehealth-first	Telehealth-first
Membership model	Membership required	No membership required
Availability	1 states + telehealth	21 states + telehealth
Transparency score	4/5	4/5
Limitations	Function Health does not prescribe or deliver therapies — it is a diagnostic platform, not a treatment provider.	Some final pricing still depends on consult review, location, or service customization.

Winner by category

Best for price

InsideTracker currently shows the lower visible cgm diagnostics price anchor.

Best for convenience

Function Health looks easier to use for shoppers prioritizing access and lower-friction logistics.

Best for service variety

Function Health currently offers the broader service stack around this category.

Best for beginners

InsideTracker looks friendlier for first-time shoppers who want simpler onboarding.

Which should you choose?

Choose InsideTracker if your goal is the stronger overall mix of price clarity and service fit in cgm diagnostics. Choose Function Health if its access model or care structure is closer to how you actually want to buy this treatment.

Questions to ask before choosing

Specific to CGM Diagnostics programs — the service being compared here.

1What is included in the base membership price versus billed additionally?
2How frequently are labs and provider consultations included, and at what cadence?
3What is the cancellation policy if the program does not meet my expectations?
4How does the provider handle monitoring if my biomarkers fall outside the target range?

Shopper intent shortcuts

Cheapest likely scenario

InsideTracker

InsideTracker currently shows the lower visible cgm diagnostics price anchor, but the real bill still depends on labs, consults, and membership rules.

Fastest access

Function Health

Function Health looks better for low-friction access if you care most about telehealth and a simpler booking path.

Transparent pricing

Function Health

Function Health currently publishes the cleaner pricing trail for cgm diagnostics.

More medically supervised

Verify both directly

Both providers need direct verification on clinician review, labs, and follow-up cadence.

FAQ

CGM Diagnostics comparison questions

Which provider is cheaper for cgm diagnostics: Function Health or InsideTracker?

InsideTracker currently shows the lower visible cgm diagnostics price anchor, though the real comparison still depends on membership, labs, and consult structure.

Which provider looks stronger for cgm diagnostics overall?

InsideTracker currently looks stronger on the service-specific comparison because of its current blend of pricing, access model, and overall provider fit.

Why break this out into a cgm diagnostics comparison page?

Because buyers often want a narrower answer than a full-provider comparison when they are only shopping one treatment category.

Related paths

Next comparison clicks

Full provider comparison

Zoom back out to the all-services comparison page.

Function Health CGM Diagnostics

Open the provider's service-specific review.

InsideTracker CGM Diagnostics

Open the provider's service-specific review.

CGM Diagnostics guide

Compare the broader service category.

CGM Diagnostics calculator

Model likely spend for this category.

Lifeforce CGM Diagnostics

Compare another provider in this treatment category.

Prenuvo CGM Diagnostics

Compare another provider in this treatment category.

Next Health Membership Pricing Explained: What the Starting Price Does and Does Not Cover

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Restore Hyper Wellness Membership Cost: What Studio Pricing Usually Leaves Out

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Function Health Membership Cost: What You Are Actually Paying For

Read related editorial context.

Methodology and disclaimer

Updated Apr 28, 2026

This service comparison page is generated from provider overlap, current price anchors, convenience signals, and treatment-specific fit data. It is designed to be useful for category research, not medical decision-making.

Informational only. Longevity Costs publishes provider research, public pricing context, and comparison summaries for informational purposes only. The site is not a medical provider, clinic, pharmacy, or emergency service. Nothing on this page is medical advice, diagnosis, treatment guidance, or a claim that a therapy is proven, guaranteed, or appropriate for you. Consult a licensed medical professional before starting or changing any therapy.

Source

Public provider websites, rate sheets, and documented offers.

Verification

Verify final pricing directly with the provider before booking.

Cadence

Data is reviewed and updated on a rolling basis.

Sources

Function membership article

Checked 2026-05-06 · Confidence 84%

Annual membership pricing and insurance posture.

Sources

InsideTracker homepage

Checked 2026-05-06 · Confidence 68%

Official homepage reviewed for care model and visible public positioning.

InsideTracker contact page

Checked 2026-05-06 · Confidence 64%

Contact or support availability reviewed from official pages.

InsideTracker faq page

Checked 2026-05-06 · Confidence 56%

FAQ reviewed for support, cancellation, and policy language.

InsideTracker terms page

Checked 2026-05-06 · Confidence 50%

Terms or billing-policy language reviewed for cancellation clues.

InsideTracker privacy page

Checked 2026-05-06 · Confidence 50%

Privacy or billing-policy page reviewed for support and payment context.

Publicly verified care model notes

Function Health: The reviewed public pricing article focuses on membership and results experience rather than a required clinician consult flow.

InsideTracker: A mandatory consult step was not clearly listed on the reviewed homepage.

Function Health: Lab testing is included or clearly signaled in the visible program structure.

InsideTracker: Lab testing is signaled in the visible care model.

Function Health: Cancellation details were not clearly listed on the reviewed public pricing article.

InsideTracker: No clear cancellation or refund language was surfaced on the reviewed official pages.

Transparency notes

Function Health: The reviewed Function page explicitly says 'No insurance, transparent pricing'.

InsideTracker: Payment, privacy, or billing-policy pages were reviewed, but insurance, HSA, or FSA handling should still be confirmed directly.

Function Health: Medication changes, shipping, or higher treatment tiers may still change the final bill.

InsideTracker: Medication changes, shipping, or premium tiers may still change the final bill.

Signal

Function Health

InsideTracker

CGM Diagnostics price

$499

$149

Price range

$499

$149

Care model

Telehealth-first

Membership model

Membership required

No membership required

Availability

1 states + telehealth

21 states + telehealth

Transparency score

4/5

Limitations

Function Health does not prescribe or deliver therapies — it is a diagnostic platform, not a treatment provider.

Some final pricing still depends on consult review, location, or service customization.

Winner by category

Best for price

InsideTracker currently shows the lower visible cgm diagnostics price anchor.

Best for convenience

Function Health looks easier to use for shoppers prioritizing access and lower-friction logistics.

Best for service variety

Function Health currently offers the broader service stack around this category.

Best for beginners

InsideTracker looks friendlier for first-time shoppers who want simpler onboarding.

Questions to ask before choosing

Specific to CGM Diagnostics programs — the service being compared here.

1What is included in the base membership price versus billed additionally?

2How frequently are labs and provider consultations included, and at what cadence?

3What is the cancellation policy if the program does not meet my expectations?

4How does the provider handle monitoring if my biomarkers fall outside the target range?

Shopper intent shortcuts

Cheapest likely scenario

InsideTracker

InsideTracker currently shows the lower visible cgm diagnostics price anchor, but the real bill still depends on labs, consults, and membership rules.

Fastest access

Function Health

Function Health looks better for low-friction access if you care most about telehealth and a simpler booking path.

Transparent pricing

Function Health

Function Health currently publishes the cleaner pricing trail for cgm diagnostics.

More medically supervised

Verify both directly

Both providers need direct verification on clinician review, labs, and follow-up cadence.