InsideTracker

Ordering Your Own Lab Tests (Direct-to-Consumer) Yes, you can in most US states. Here are the best options: Reputable Services Everlywell Large test menu (hormones, food sensitivity, thyroid, STIs) At-home sample collection kits Results reviewed by a physician network Good for convenience and privacy Quest Diagnostics (QuestDirect) Walk-in lab locations nationwide Clinical-grade accuracy (same labs doctors use) Solid for standard bloodwork like cholesterol, glucose, CBC LabCorp OnDemand Similar to Quest, wide availability Reliable and well-established Ulta Lab Tests Very competitive pricing Good for ordering multiple panels affordably SelfDecode / InsideTracker More wellness/optimization focused Provides personalized recommendations with results Is It Worth It? ✅ Yes, if you: Want privacy or don't have a doctor Are tracking wellness/optimization goals Have high-deductible insurance ⚠️ Limitations to know: Results can be confusing without context Doesn't replace diagnosis or treatment Some tests aren't available in NY, NJ, or RI Bottom line: Quest or LabCorp for accuracy; Everlywell for convenience.

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Best Lab Test Memberships for Longevity Tracking Top Recommendation: Function Health ~$499/year for 100+ biomarkers tested twice annually Co-founded by longevity physician Peter Attia's collaborators Covers hormones, metabolic health, inflammation, organ function, and more Includes physician review and easy-to-understand dashboard Best overall value for comprehensive longevity tracking Strong Alternatives: Inside Tracker Personalized recommendations based on your results Integrates with wearables (Fitbit, Garmin, Apple Watch) Good for athletes and performance optimization Plans from ~$300–$600 Marek Health More clinically focused with physician involvement Good for people who want hormone optimization support Slightly more expensive but includes medical guidance Ulta Lab Tests + LifeExtension (DIY approach) Order exactly what you want à la carte Cheaper but requires more self-direction What to Look For: ✅ Lipid panel (ApoB, LDL-P) ✅ Blood glucose/insulin/HbA1c ✅ Hormones ✅ Inflammation markers (CRP, homocysteine) ✅ Organ function panels Function Health is the strongest starting point for most people serious about longevity.

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Cost of a Full Biomarker Panel Prices vary widely depending on the provider and what's included: DIY/Direct-to-Consumer Labs Ulta Lab Tests – ~$50–$300 for comprehensive panels Walk-In Lab – ~$100–$400 Any Lab Test Now – ~$150–$500 Specialized Longevity/Optimization Services Function Health – ~$500/year (100+ biomarkers, membership model) ⭐ Popular choice InsideTracker – ~$500–$700 for their Ultimate panel Lifeforce – ~$300–$500 for initial diagnostic Concierge/Premium Options Cleveland Clinic Executive Health – $2,000–$5,000+ Mayo Clinic Executive Health – $3,000–$5,000+ Through Your Doctor With insurance, often $0–$50 copay, but coverage varies Out of pocket through a physician: $200–$800 My Recommendations: Best value: Function Health (broad panel, physician oversight included) Budget option: Ulta Lab Tests (order specific panels à la carte) Most actionable insights: InsideTracker (includes personalized recommendations) Would you like more detail on any specific provider?

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How Often to Retest Blood Biomarkers The frequency depends on your situation, but here are general guidelines: General Healthy Adults Annually is a good baseline for standard panels Services like Inside Tracker, Function Health, or Quest Diagnostics offer yearly comprehensive panels More Frequent Testing (Every 3-6 Months) if you're: Actively changing diet or lifestyle Managing a chronic condition Optimizing athletic performance Adjusting supplements or medications Recommended Services by Use Case Function Health – 100+ biomarkers, good for comprehensive annual tracking Inside Tracker – Great if you want personalized recommendations with retesting built in Levels Health – If metabolic health/blood sugar is a focus LabCorp OnDemand – Affordable, flexible, no doctor required Ulta Lab Tests – Budget-friendly for frequent retesting Practical Tip Retest 8-12 weeks after making significant changes (diet, exercise, supplements) to see measurable impact Keep results consistent by testing at the same time of day, fasted Important Note Always consult your doctor or a registered dietitian to interpret results and determine the right frequency for your specific health needs.

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Blood Biomarkers That Actually Matter for Longevity Tier 1: Strong Evidence Metabolic Fasting insulin & HOMA-IR – insulin resistance is a root cause of many diseases HbA1c – long-term blood sugar control Fasting glucose – immediate metabolic health signal Triglycerides & triglyceride/HDL ratio – cardiovascular and metabolic risk Cardiovascular ApoB – better than LDL for predicting cardiovascular risk Lp(a) – genetic risk factor most people never check hs-CRP – systemic inflammation marker Organ Health eGFR/creatinine – kidney function ALT/AST – liver health Tier 2: Meaningful but Context-Dependent Homocysteine – inflammation/cardiovascular risk Vitamin D (25-OH) – immune and metabolic function Testosterone/estradiol – hormone optimization TSH – thyroid function Ferritin – iron storage and inflammation Who Can Help You Track These Function Health – comprehensive panels, Peter Attia-affiliated Inside Tracker – analyzes trends over time LabCorp/Quest – order through your doctor or Marek Health The Honest Reality Standard annual physicals often skip ApoB, Lp(a), fasting insulin, and homocysteine — the ones with arguably the strongest longevity signal. Want specifics on any of these?

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Short answer: No — they aren’t strict substitutes. Annual physical labs (done through your primary care visit and a clinical lab) are important for comprehensive preventive care and insurance coverage. At‑home blood tests are a convenient supplement for targeted, interim monitoring, but they can’t replace the physical exam, vaccinations, and full clinical context your PCP provides. Why they differ (quick): Annual physical labs: usually include a broad panel (CBC, CMP/metabolic panel, lipids, A1c, TSH, sometimes PSA, urinalysis, STD screening, etc.), are ordered and interpreted by your clinician, can be billed to insurance, and come with a visit for exam, counseling, and referrals. At‑home tests: convenient, fast, and private; good for single-item checks (A1c, vitamin D, testosterone, some STD screens). Many are finger‑stick kits or mail‑in vials and may not cover everything or be accepted by insurers. They don’t replace a hands‑on exam. When you might choose each Stick with annual physical + lab work if: you want preventive care, are due for screening, have new symptoms, chronic disease management, or want insurance-covered testing. Use at‑home tests if: you need quick repeat monitoring between visits (e.g., A1c, testosterone), live far from a lab, want convenience/privacy, or are tracking a specific marker. Always follow up with your PCP for abnormal results. Practical brand/service recommendations Full clinical labs (best for annual/insurance-covered testing): LabCorp and Quest Diagnostics — large national lab networks, high-quality CLIA labs, easy insurance billing, many local draw sites. Direct-to-consumer at‑home/mailer kits (convenient for targeted monitoring): LetsGetChecked — wide test menu, clinician follow-up/telehealth options, good for A1c, testosterone, hormones, STD screens. Everlywell — easy-to-use finger‑stick kits, clear consumer interface, good for single markers (STD, hormone, vitamin D). HealthLabs.com or DirectLabs — let you self‑order standard lab panels performed at local labs (can be cheaper than PCP-ordered tests but usually out‑of‑pocket). Vault Health — focused telehealth + labs for men’s health (testosterone, prostate screening) with coordinated care. InsideTracker — for personalized optimization and performance-focused panels (more expensive). Note: Check that any company uses CLIA‑certified labs and offers clinician review. Tips If you want insurance to cover labs, have your PCP order them (or use the lab’s patient‑portal options that bill insurance). For chronic conditions, follow the monitoring frequency your clinician recommends (A1c for diabetes every 3–6 months; lipids and TSH per your provider). If an at‑home test is abnormal, bring results to your PCP — they may repeat tests in a clinical lab and manage treatment. Verify sample type — some at‑home finger‑stick tests are less accurate for some analytes than venous draws. If you want, tell me which tests you’re considering or if you have chronic conditions — I can suggest which ones are safe to monitor at home and which you should get through your doctor.

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