NexBio is coming to the App Store in Q3 2026 — the first app that actually prepares you for your blood test.  Claim your early-access spot →

Don't waste $1,200 on a bad blood test.

NexBio is the missing layer between you and your bloodwork — preparing your body, capturing your results, and telling you exactly when each marker is ready to retest.

🎯 Personalized prep protocols  ·  🧬 200+ confounder database  ·  📓 Bloodwork journal  ·  ⏳ Smart retest timing  ·  🔔 Push reminders  ·  📋 Doctor's note PDF  ·  🔒 Privacy-first

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50% lifetime discount $19/year forever — regular price $39/year

Joining biohackers preparing for Function Health, Superpower & InsideTracker tests.  No spam. Unsubscribe anytime.

The Problem

Most people don't know their blood test was already broken before the needle hit their arm.

You paid $300 for a comprehensive panel. You drove to the lab fasted. Your doctor calls with "concerning results." You panic for two weeks. You retake the test for another $300.

Turns out — your hair-and-nails multivitamin contained biotin. Your TSH was never abnormal.
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Biotin breaks thyroid tests

That hair, skin & nails multivitamin? It can fake hyperthyroidism on TSH tests. FDA-warned. Your doctor probably didn't mention it.

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Yesterday's workout fakes liver disease

Heavy training raises ALT, AST, and CK for 24–48 hours — mimicking liver damage and even heart muscle injury on standard panels.

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One steak ruins your lipid panel

"12-hour fast" isn't enough if dinner was high-fat. Your triglycerides will read 2–3× your real baseline.

The Solution

A 72-hour countdown that gets your test right the first time.

Tell NexBio what panels you're testing and what supplements you take. Get a personalized prep timeline with exact stop times for every confounder.

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Smart prep timeline

Personalized countdown from T‑72h to your appointment. Push notifications at every critical moment — what to stop, when, and why.

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200+ confounder database

Every supplement, food, drink, and activity that distorts your specific biomarkers. With research sources, in plain English.

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Result diary

Log your results over time. Watch ApoB, hsCRP, or HbA1c trend across years. No diagnosis — just your data, your way.

Who It's For

Built for serious self-quantifiers.

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Function Health, Superpower, InsideTracker, Lifeforce members
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Followers of Peter Attia, Andrew Huberman, Rhonda Patrick
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Anyone testing 4+ panels per year
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People who learned the hard way that "fasting" isn't the only thing that matters
Early Access

Early supporters get the deal.

Join before launch and lock in lifetime pricing — plus get your free PDF checklist right now.

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First-100 TestFlight access

Try the app 2 months before the public launch.

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50% lifetime discount

$19/month forever — regular price will be $39/month.

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Free PDF checklist (sent now)

"Top 25 supplements & foods that ruin common blood tests" — delivered to your inbox immediately.

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Shape the roadmap

Tell me what biomarkers and confounders matter most. Your feedback builds the product.

No spam. Unsubscribe anytime. PDF sent immediately after sign-up.