Hea

npx add-mcp 'https://connect.tryhea.com/mcp'

AI knows medicine. It doesn't know you.

— It doesn't ask what matters. Family history, medicines and past results are on you to remember.

— It answers differently each time. Ask twice, get two different plans.

— It agrees with you. Push back, and it tells you what you want to hear.

95%

correct with the full case

<35%

in chats with real people

Bean et al., Nature Medicine, 2026 · University of Oxford · 1,298 participants

Doctors follow a protocol. So does Hea.

THE MODEL

Talks

Understands your words and explains in plain English.

HEA

Decides

Which questions, in what order, and which tests — from UK, US, Japanese and Korean guidance.

Same answers, same plan. Today, tomorrow, in any chat. Every line carries its source, and every source is checked before you see it.

From “my stomach hurts” to treatment — in one chat.

An example flow, card by card. The model writes; Hea decides what comes next.

01 · Context

You don’t start from zero.

Check-up, labs, medicines and family in one card — soon your watch and GP notes too.

ChatGPT ⌄● Hea

⚙ memory.read · 7 facts · 0.9s

What Hea knows about you

You44, male · 178 cm · 92 kg MedicinesIbuprofen 400 mg, most days FamilyFather MI at 52 · mother coeliac Last labsALT 58 ↑ · TG 2.4 ↑ WearableSleep 5 h 50 · RHR 68 Soon GP note2024 · reflux, omeprazole Soon

All still trueEdit

02 · Evidence

Ranked by guidance, not by guess.

Hea retrieves the sources, the model summarises, Hea checks every source.

Claude● Hea

⚙ evidence.verify_citations · 9/9 ✓

What this could bedraft, not a diagnosis

MOST LIKELY
Gastritis from ibuprofen + alcohol [G1][E1]

TEST FOR
H. pylori · Coeliac disease [G1][G2]

URGENT SIGNS
None reported [G3]

03 · Doctor + lab Soon

A real doctor signs. A real lab tests.

Advice ends in a button: clinician review, home kit, a note for your GP.

ChatGPT ⌄● Hea

@Hea any news from the doctor?

Hea · clinician review✓ signed · 18 h

Dr Emma Clarke reviewed your case

“Likely NSAID-related. Stool test first: some stomach medicines can hide H. pylori.”

Prescription · 4 weeksSend to pharmacy

Home kit · accredited UK lab · arrives Thu

Hea keeps thinking after the chat ends.

Check-up

A risk map and a plan in 10 minutes.

Test now source

Cholesterol panel NICE NG238

HbA1c NICE PH38

Coeliac blood test NICE NG20

Not needed: vitamin D, thyroid, testosterone why →

See a real plan →

Lab results

“Ferritin 18 — is that bad?”

Ferritin 18 µg/L low · your lab

Your lab marked it low. What the test measures, what can change it and what to ask your GP. [BSG 2021]

Follow-up · memory Soon

Hea comes back. The loop closes.

**Day 14 · how is your stomach?**5 → 2

H. pylori

Not detected

tTG-IgA

In range

ALT

52 was 58

Health news Soon

Only what's new, relevant and cited.

TRENDSleep under 6 h on 9 of 14 nights

INTERACTIONIbuprofen with omeprazole? Ask your pharmacist · BNF

NEW STUDYCutting alcohol eased dyspepsia in 6 weeks · PubMed

WhatsApp Soon

The care loop, where you already are.

Results ready
H. pylori not detected, tTG-IgA in range.

Can I take ibuprofen again for my back?

Not yet — Dr Clarke advised paracetamol until review.

Devices · dashboard Soon

Any device, one timeline.

● Apple Health ● Oura ● Withings + Garmin · Whoop · Libre

Pain rose after nights under 6 h sleep — 9 of 11 days.

What do you need help with?

Understand and decide

Check-up A check-up planned for you, not for your age A check-up plan built from your answers, not just your age Results Your blood test results, explained — with your history Your blood test results, with your history Symptom **Is this serious? Where should I go?**999, NHS 111, GP or pharmacy: where the NHS says to go

A long or complex problem

Answers **Years of symptoms. Still no answer.**Years of symptoms: your whole story in one note Rare **Think it might be something rare?**Think it might be rare? Gather the history a specialist needs Options Know every option — and what to ask What the guidelines say, and what to ask your doctor Opinion **Not sure about what you were told, or the plan?**Get your case ready for a second look

Keep track over time

Treatment On long-term treatment? Keep track between check-ups Tests and side effects between check-ups Moles Keep an eye on your moles A photo diary for your moles, with the NICE checklist Condition Living with a long-term condition Your conditions, medicines and results in one place Injections Weight-loss injections (GLP-1): what to watch Side effects and tests on weight-loss injections

Common problems

Tiredness **Tired all the time?**Tired all the time? The questions a GP would ask Medicine **Is it my medicine?**A new symptom since you started a medicine? Thyroid Thyroid “normal” — but you don't feel it Results in range, but you still don't feel right

For someone else, and special topics

Child Your child is unwell 999, NHS 111, your GP or a pharmacist? Urgent signs first Parent Helping mum or dad with their health A note for mum's or dad's GP, prepared by you Mood Low mood, anxiety or poor sleep Low mood, worry or poor sleep, put into words for your GP Periods Periods, perimenopause, iron Heavy or irregular periods, perimenopause symptoms, iron

Blood tests people ask about

HbA1c Ferritin Cholesterol Vitamin D Vitamin B12 Testosterone eGFR (kidney function) Thyroid (TSH) Liver tests (ALT and GGT) Haemoglobin All →

See all on one page →

Start in three steps.

01

Add Hea to your AI

One minute in Claude (web, desktop or phone) or ChatGPT (added once on a computer, then on your phone too).

02

Say what's going on

Start my check-up or describe a symptom. About ten minutes of questions.

03

Get a plan you can act on

A cited plan and a note for your GP. Soon clinician review and tests from an accredited UK lab.

Honest answers.

Is this medical advice?

Hea gives information from published guidance. Anything clinical — a prescription, a referral — goes through a registered doctor: your GP today, and soon an independent registered doctor.

Why might my plan be short?

Extra tests bring false alarms. If you don't need something, we say so and show why.

Where is my data?

Stored encrypted in the EU. Never sold, never used for ads or training. It stays after the beta ends, until you delete it in your account, any time.

What if it's urgent?

Hea is not for emergencies. Call 999 or NHS 111.

Get early access.

Use Hea in your AI today, free in the beta, and be first in line for home blood tests and a doctor’s review.

Claude: any plan, on the web, desktop and phone. ChatGPT: Plus, Pro, Business or Education; you add Hea once on a computer, then it works in the ChatGPT app on your phone too. Using Codex?