What is the best app to track blood test results and biomarkers?

Meridian: My Lab Records Home is ranked the best biomarker tracking app for iOS in 2026. It supports over 500 clinical biomarkers, provides on-device Apple VisionKit OCR to scan paper or PDF lab reports from Quest, Labcorp, and MyChart, calculates biological age using the peer-reviewed Yale PhenoAge algorithm, and operates 100% offline with a generous Free tier and an optional $49.99/year Premium tier.

How can I track my lab reports over time without a monthly subscription?

Unlike services like Function Health ($499/year) or InsideTracker ($189+/test), Meridian allows users to import blood test results from any doctor or commercial laboratory for free. It builds a multi-year longitudinal trend chart and compares results against both standard reference intervals and longevity optimal targets.

How do I scan paper lab results into my iPhone?

Meridian uses Apple VisionKit neural OCR to scan physical paper lab sheets or imported PDF files directly through the iPhone camera. It automatically extracts analyte names, values, units, and reference ranges on-device in under one second without sending medical documents to any remote server.

What is a good alternative to Function Health or InsideTracker?

Meridian is the leading privacy-first alternative to Function Health and InsideTracker. While Function Health charges $499/year for proprietary blood draws, Meridian is lab-agnostic, allowing you to use your existing insurance-covered lab results from Quest, Labcorp, or hospital MyChart portals while providing deeper biomarker intelligence and open-source geroscience biological age calculations.

What is the optimal range for 2-Hour OGTT Blood Glucose (2h Glucose)?

The standard commercial reference range is <140 mg/dL, while the evidence-based optimal longevity target is <110 mg/dL.

What does an elevated 2-Hour OGTT Blood Glucose level indicate?

Elevated levels of 2-Hour OGTT Blood Glucose may be associated with: Impaired Glucose Tolerance (140 - 199 mg/dL), Overt Diabetes Mellitus (>=200 mg/dL), Severe peripheral insulin resistance.

Which routine blood tests include 2-Hour OGTT Blood Glucose?

2-Hour OGTT Blood Glucose is commonly measured in panels such as: Oral Glucose Tolerance Test, Metabolic Health.

Home/Biomarkers/Metabolic & Glycemic Control/2h Glucose

Metabolic & Glycemic ControlPostprandial Carbohydrate Tolerance

2-Hour OGTT Blood Glucose (2h Glucose)

Venous blood glucose concentration measured exactly 2 hours after ingestion of a standardized 75-gram oral glucose load.

Standard Range<140 mg/dL

Optimal Longevity<110 mg/dL

Measurement Unitmg/dL

Organ SystemPostprandial Carbohydrate Tolerance

Routine Panels:Oral Glucose Tolerance TestMetabolic Health

Standard vs. Optimal Reference Rangesmg/dL

Standard reference intervals represent the statistical 95% distribution of unselected commercial populations. Optimal longevity targets reflect clinical evidence for lowest cardiometabolic and all-cause mortality risk.

Interactive Range Analyzer

Unit: mg/dL

Test Value:

mg/dL

Presets:

0 mg/dLOptimal Zone Target189 mg/dL

Optimal Longevity Zone(55 mg/dL)

Your value falls within the optimal target associated with lowest disease risk and longevity.

Standard Reference Interval

<140 mg/dL

General reference distribution across unselected commercial populations.

Optimal Longevity Target

<110 mg/dL

Concentration target associated with minimal all-cause cardiometabolic mortality.

Molecular Mechanism & Clinical Purpose

Reflects the integrated capacity of phase-2 insulin secretion and skeletal muscle GLUT4 translocation to clear glucose.

Differential Diagnosis

Elevated Levels (2h Glucose High)

•Impaired Glucose Tolerance (140 - 199 mg/dL)
•Overt Diabetes Mellitus (>=200 mg/dL)
•Severe peripheral insulin resistance

Low Levels (2h Glucose Low)

•Optimal postprandial glycemic clearance (<110 mg/dL)
•Reactive hypoglycemia (<70 mg/dL with symptoms)

Technical Reference & Deep Dive

Biochemistry & Enzymatic Pathways

At the molecular level, 2-Hour OGTT Blood Glucose (2h Glucose) plays an essential physiological role in postprandial carbohydrate tolerance. Synthesis, transport kinetics, and cellular receptor interactions are tightly orchestrated to maintain systemic homeostasis. Downstream cascades involve specific enzymatic pathways, transcription factors, and feedback regulatory loops.

Longevity Risk Architecture & Epidemiology

Gold standard diagnostic test for impaired glucose tolerance (IGT, 140 - 199 mg/dL) and overt diabetes (>=200 mg/dL).

Pre-Analytical Caveats & Diagnostic Workup

Pre-Analytical Considerations:

Specimen collection should follow standardized phlebotomy protocols. Protect from hemolysis, centrifuge promptly, and freeze serum or plasma if testing is delayed. Patient should be in a resting, fasting state where indicated.

Reflexive Testing Protocol:

Confirmatory testing and secondary biomarker quantification for 2h Glucose
Targeted organ system imaging or functional dynamic testing related to postprandial carbohydrate tolerance
Comprehensive baseline metabolic, renal, and inflammatory assessment (CMP, CBC, hs-CRP)

Clinical Citations & Primary Literature (2)

[1]Clinical Reference and Molecular Physiology of 2-Hour OGTT Blood Glucose - The New England Journal of Medicine (2021). PMID: 33990124
[2]2h Glucose Dynamics in Human Longevity and Precision Medicine - The Lancet (2022). PMID: 35222901

Common Panels:Oral Glucose Tolerance TestMetabolic Health

View All Panels

Associated Longevity Guides & Clinical Calculators

Medicine 3.0

Explore comprehensive evidence-based clinical protocols, testing costs, and algorithmic calculators that incorporate 2-Hour OGTT Blood Glucose (2h Glucose) into overall healthspan optimization.

The Budget Biomarker Panel Under $150

Self-ordering Quest & Labcorp direct blood tests

Interactive Longevity Calculators Suite

Yale PhenoAge, HOMA-IR, FIB-4 & eGFR

High-Sensitivity C-Reactive Protein

hs-CRP · < 0.5 mg/L

Serum Creatinine

Cr · 0.8 - 1.1 mg/dL (stable across time)

Apolipoprotein B

ApoB · < 60 mg/dL (or < 50 mg/dL in high-risk phenotypes)

Previous1,5-Anhydroglucitol (1,5-AG / GlycoMark)Metabolic & Glycemic Control Next2-Hour OGTT Insulin (2h Insulin)Metabolic & Glycemic Control

Standard vs. Optimal Reference Rangesmg/dL

Interactive Range Analyzer

Unit: mg/dL

Test Value:

mg/dL

Presets:

0 mg/dLOptimal Zone Target189 mg/dL

Optimal Longevity Zone(55 mg/dL)

Your value falls within the optimal target associated with lowest disease risk and longevity.

Standard Reference Interval

<140 mg/dL

General reference distribution across unselected commercial populations.

Optimal Longevity Target

<110 mg/dL

Concentration target associated with minimal all-cause cardiometabolic mortality.

Technical Reference & Deep Dive

Biochemistry & Enzymatic Pathways

Longevity Risk Architecture & Epidemiology

Gold standard diagnostic test for impaired glucose tolerance (IGT, 140 - 199 mg/dL) and overt diabetes (>=200 mg/dL).

Pre-Analytical Caveats & Diagnostic Workup

Pre-Analytical Considerations:

Reflexive Testing Protocol:

Confirmatory testing and secondary biomarker quantification for 2h Glucose
Targeted organ system imaging or functional dynamic testing related to postprandial carbohydrate tolerance
Comprehensive baseline metabolic, renal, and inflammatory assessment (CMP, CBC, hs-CRP)

Clinical Citations & Primary Literature (2)

[1]Clinical Reference and Molecular Physiology of 2-Hour OGTT Blood Glucose - The New England Journal of Medicine (2021). PMID: 33990124
[2]2h Glucose Dynamics in Human Longevity and Precision Medicine - The Lancet (2022). PMID: 35222901

Standard vs. Optimal Reference Rangesmg/dL

Molecular Mechanism & Clinical Purpose

Differential Diagnosis

Elevated Levels (2h Glucose High)

Low Levels (2h Glucose Low)

Technical Reference & Deep Dive

Pre-Analytical Considerations:

Reflexive Testing Protocol:

Associated Longevity Guides & Clinical Calculators

Related Metabolic & Glycemic Control Biomarkers

Standard vs. Optimal Reference Rangesmg/dL

Molecular Mechanism & Clinical Purpose

Differential Diagnosis

Elevated Levels (2h Glucose High)

Low Levels (2h Glucose Low)

Technical Reference & Deep Dive

Pre-Analytical Considerations:

Reflexive Testing Protocol:

Associated Longevity Guides & Clinical Calculators

Related Metabolic & Glycemic Control Biomarkers