ProLon vs Signos for Metabolic Health (2026): Cost & Which Wins

Best for ProLon

Users exploring fasting-mimicking diet protocols as part of a broader longevity or cellular health strategy.

Best for Signos

Users comparing app-driven CGM programs that tie glucose data directly into weight or metabolic change goals.

Biggest difference

In-person vs In-person access model.

Decision helper

ProLon: ProLon shows a visible starting price of $189 per package, but deeper pricing detail is not fully public on the reviewed pages. Signos: Signos shows a visible starting price of $199 per month, but deeper pricing detail is not fully public on the reviewed pages.

Notable limitations

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

Signos: Membership structure can make the first visible price look cleaner than the full long-term cost.

Publicly verified care model notes

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

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

ProLon: Lab requirements or repeat monitoring details were not clearly listed on the reviewed homepage.

Signos: Lab requirements or repeat monitoring details were not clearly listed on the reviewed homepage.

ProLon: Official policy pages reference cancellation, refund, or renewal terms, but buyers should still verify the exact current policy before enrolling.

Signos: Cancellation or pause terms were not clearly listed on the reviewed official pages and should be checked directly.

Transparency notes

ProLon: Insurance, HSA, or FSA handling was not fully verified from the reviewed official pages.

Signos: Insurance, HSA, or FSA handling was not fully verified from the reviewed official pages.

ProLon: Labs, medication fulfillment, consults, or shipping may sit outside the headline price.

Signos: Labs, medication fulfillment, consults, or shipping may sit outside the headline price.

Data snapshot — pricing sourced from public provider rates

Last updated

Apr 28, 2026

Providers analyzed

Price range

$189 vs $199

Methodology

How we collect data

Disclosure

Affiliate relationships

ProLon

Official website reviewed

fasting mimicking diet program developed by longevity scientist Valter Longo, offering 5-day meal kits designed to trigger autophagy and cellular renewal while avoiding complete fasting

ProLon is a fasting mimicking diet program developed by longevity scientist Valter Longo, offering 5-day meal kits designed to trigger autophagy and cellular renewal while avoiding complete fasting.

Longevity SupplementsMetabolic HealthSupplements

Starting price

$189

per package

Service availability

Clinic-led access

Labs may be separate

National direct-to-consumer

Users exploring fasting-mimicking diet protocols as part of a broader longevity or cellular health strategy.

Visitors comparing diet-based longevity interventions against supplement stacks and IV therapy programs.

See Pricing Details Check Provider

Signos

Official website reviewed

app-led metabolic health program centered on CGM-guided behavior change and ongoing subscription access

Signos is a app-led metabolic health program centered on CGM-guided behavior change and ongoing subscription access.

CGM DiagnosticsMetabolic HealthLongevity Memberships

Starting price

$199

per month

Service availability

Clinic-led access

Labs may be separate

National digital platform

Users comparing app-driven CGM programs that tie glucose data directly into weight or metabolic change goals.

Visitors who want a Signos-specific comparison page alongside Levels and NutriSense.

See Pricing Details Check Provider

Signal	ProLon	Signos
Metabolic Health price	$189	$199
Price range	$189	$199
Care model	In-person	In-person
Membership model	No membership required	Membership required
Availability	National direct-to-consumer	National digital platform
Transparency score	3/5	3/5
Limitations	Some final pricing still depends on consult review, location, or service customization.	Membership structure can make the first visible price look cleaner than the full long-term cost.

Winner by category

Best for price

ProLon currently shows the lower visible metabolic health price anchor.

Best for convenience

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

Best for service variety

ProLon currently offers the broader service stack around this category.

Best for beginners

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

Which should you choose?

Choose ProLon if your goal is the stronger overall mix of price clarity and service fit in metabolic health. Choose Signos 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 Metabolic Health 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

ProLon

ProLon currently shows the lower visible metabolic health price anchor, but the real bill still depends on labs, consults, and membership rules.

Fastest access

ProLon

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

Transparent pricing

ProLon

ProLon currently publishes the cleaner pricing trail for metabolic health.

More medically supervised

Verify both directly

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

FAQ

Metabolic Health comparison questions

Which provider is cheaper for metabolic health: ProLon or Signos?

ProLon currently shows the lower visible metabolic health price anchor, though the real comparison still depends on membership, labs, and consult structure.

Which provider looks stronger for metabolic health overall?

ProLon 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 metabolic health 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.

ProLon Metabolic Health

Open the provider's service-specific review.

Signos Metabolic Health

Open the provider's service-specific review.

Metabolic Health guide

Compare the broader service category.

Metabolic Health calculator

Model likely spend for this category.

Henry Meds Metabolic Health

Compare another provider in this treatment category.

Mochi Health Metabolic Health

Compare another provider in this treatment category.

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Function Health Membership Cost: What You Are Actually Paying For

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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

ProLon homepage

Checked 2026-05-06 · Confidence 68%

Official homepage reviewed for care model and visible public positioning.

ProLon faq page

Checked 2026-05-06 · Confidence 56%

FAQ reviewed for support, cancellation, and policy language.

Sources

Signos homepage

Checked 2026-05-06 · Confidence 68%

Official homepage reviewed for care model and visible public positioning.

Publicly verified care model notes

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

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

ProLon: Lab requirements or repeat monitoring details were not clearly listed on the reviewed homepage.

Signos: Lab requirements or repeat monitoring details were not clearly listed on the reviewed homepage.

ProLon: Official policy pages reference cancellation, refund, or renewal terms, but buyers should still verify the exact current policy before enrolling.

Signos: Cancellation or pause terms were not clearly listed on the reviewed official pages and should be checked directly.

Transparency notes

ProLon: Insurance, HSA, or FSA handling was not fully verified from the reviewed official pages.

Signos: Insurance, HSA, or FSA handling was not fully verified from the reviewed official pages.

ProLon: Labs, medication fulfillment, consults, or shipping may sit outside the headline price.

Signos: Labs, medication fulfillment, consults, or shipping may sit outside the headline price.

Signal

ProLon

Signos

Metabolic Health price

$189

$199

Price range

$189

$199

Care model

In-person

Membership model

No membership required

Membership required

Availability

National direct-to-consumer

National digital platform

Transparency score

3/5

Limitations

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

Membership structure can make the first visible price look cleaner than the full long-term cost.

Winner by category

Best for price

ProLon currently shows the lower visible metabolic health price anchor.

Best for convenience

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

Best for service variety

ProLon currently offers the broader service stack around this category.

Best for beginners

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

Questions to ask before choosing

Specific to Metabolic Health 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

ProLon

ProLon currently shows the lower visible metabolic health price anchor, but the real bill still depends on labs, consults, and membership rules.

Fastest access

ProLon

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

Transparent pricing

ProLon

ProLon currently publishes the cleaner pricing trail for metabolic health.

More medically supervised

Verify both directly

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