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Privacy

Resin Health has no accounts. Your profile, your medicines and your Signals entries stay in this browser on this device, and Resin Health does not receive them. A few things do leave it, such as a photo you ask the app to read, and each one is listed below.

This page lists each kind of data: why it is kept, where, for how long and who can see it. At the end, one button deletes all of it from this browser.

Go to Delete everything

Kept in this browser on this device

Your profile

The name, age group and medicines you enter when you start the app.

Why
To greet you, to show the daily amounts for your age group, and to check supplements against your medicines.
Where
In this browser's storage on this device. It is never sent anywhere, and Chat answers questions about your medicines on the device too.
How long
Until you change it, delete it below, or clear this browser's data.
Who can see it
Anyone who uses this browser on this device. Resin Health does not receive it.

Visit counts

How many times you opened the app and scanned a product in this browser, the date of your last visit, and how often you opened the sources on safety cards.

Why
To remind you to check your medicine list when you come back after more than a week.
Where
In this browser's storage on this device. They are never sent anywhere.
How long
Until you delete them below or clear this browser's data.
Who can see it
Anyone who uses this browser on this device. Resin Health does not receive them.

Your language

English or Spanish, once you choose one.

Why
So the site and the app open in your language.
Where
In this browser's storage on this device.
How long
Until you choose again, delete it below, or clear this browser's data.
Who can see it
Anyone who uses this browser on this device.

Your Signals entries

What you log in Signals: daily check-ins, food, diet changes, supplements, medicines, lab results, sleep, stress, illness, flares and well-being answers, with your settings and the date you agreed to the notice.

Why
To show your entries over time, the patterns, and a summary for your doctor.
Where
In this browser's database on this device. Resin Health does not receive them, and there is no account. A note in this browser's storage says Signals is in use, so Search, Safety, Chat and Learn do not load Google Analytics on this device.
How long
Until you delete them in Signals Settings or below, or the browser clears its data. Safari can do that after 7 days without a visit.
Who can see it
Anyone who uses this browser on this device. Resin Health does not receive them.

Period days and life stage

Period days, and pregnancy, postpartum or menopause, if you turn them on in Signals Settings. They are off until you do. The rest of the app never asks about pregnancy.

Why
So pattern cards can say when a period or a life stage was also different.
Where
With your Signals entries, in this browser's database on this device.
How long
Like your other entries. Turning the switch off hides them and keeps them.
Who can see it
Anyone who uses this browser on this device. Resin Health does not receive them.

Example data

Made-up entries that let you try Signals before you set it up.

Why
To show how Signals works without entries of your own.
Where
In a separate database in this browser, with a note in this tab's storage.
How long
Until you leave the example, delete it below, or clear this browser's data.
Who can see it
Anyone who uses this browser on this device. None of it is about you.

The offline copy

A copy of the app's own files, so it opens without a connection. It holds none of your entries.

Why
So the app opens with no connection on a device that uses Signals.
Where
In this browser on this device, only where Signals is set up or showing example data.
How long
Until a new version of the app replaces it, you delete it below, or you clear this browser's data.
Who can see it
It holds only files anyone can open on this site.

Used on this device and not kept

Chat questions

What you type in Chat.

Why
To answer from the app's own interaction data and the daily amounts of the NIH Office of Dietary Supplements, or to point you to 911, the 988 Lifeline, Poison Control or a pharmacist.
Where
Answered on this device. Your question is never sent anywhere.
How long
Not saved. It is gone when you reload or close the app.
Who can see it
Nobody else.

The pharmacist card

The names of a supplement and your medicines, and your language, which the card shows and puts into its link and QR code.

Why
So you can show a pharmacist your result, or let them open it on their own phone.
Where
The card and its code are made on this device. The names go after the # in the link, a part of the address that browsers do not send to a server. The phone that opens the link loads no visit statistics, and the app saves nothing there, though that browser may keep the link in its history. Opening a card adds one to the weekly total of cards, with nothing about you.
How long
Not saved. The card is gone when you close it. A printout or a link you send lasts as long as whoever has it keeps it.
Who can see it
Whoever you show it to or send it to. If you send the link in a message, the messaging service carries it too.

Barcodes you scan

The number on a supplement or food barcode. The camera view used for scanning stays on the device.

Why
To find the product.
Where
Supplement barcodes are looked up in a list inside the app. For a food barcode, the app asks this site for one of 1,000 small lists, chosen by three of the barcode's digits, so the site never receives the whole number.
How long
Not saved, unless you save the product in a Signals entry.
Who can see it
Nobody else.

Sent from this device

Photos you ask the app to read

A photo of a Supplement Facts label, or of a barcode the camera could not read, when you take or choose one.

Why
To read the label or the barcode's digits.
Where
Sent through this site's server to Anthropic, whose Claude model reads it and sends back the text.
How long
Resin Health keeps no copy. Anthropic deletes it within 30 days, unless it needs it longer to enforce its usage policy or the law requires it.
Who can see it
Anthropic, and only when you take or choose a photo.

Problem reports

When you use Report a problem on a statement: the statement's record number, the reason you pick, the app's language, where the statement was shown (for example the safety summary or Chat), the version of the app's list of statements and the time the report arrived, to the minute. It holds nothing you type and nothing about you or your medicines.

Why
So our team can check the statement against its source. A safety report hides the statement for everyone until the team has checked it.
Where
Sent to this site's server and kept in a private file store at Vercel, the company that hosts the site. It is sent without cookies.
How long
Kept as the record of what our team checked. A report holds nothing that identifies you.
Who can see it
The Resin Health team, and Vercel as the host. The weekly totals and the reports still open are public, because they hold nothing about you.

Weekly totals of Chat answers and cards

When Chat answers you or you open the pharmacist card: the kind of answer (for example an emergency answer, a pharmacist answer or a general answer) or that a card was opened, and the app's language. It does not hold your question, the answer or anything about you.

Why
To count how often each kind of answer is given and how often cards are opened each week.
Where
Sent without cookies to this site's server, which adds one to that week's total in a private file store at Vercel. Study sessions and a pharmacist card's link send none.
How long
Only the weekly totals are kept, not each count.
Who can see it
The Resin Health team, and Vercel as the host. The weekly totals are public.

Visit statistics

Which pages are opened and for how long, the kind of device and browser, and the approximate area, collected by Google Analytics. It never receives what you type or any health information.

Why
To count how many people Resin Health reaches, which the NIH competition asks us to report.
Where
On Google's servers. It runs on the home and information pages, and on Search, Safety, Chat and Learn. Those four screens skip it in study sessions and on a device where Signals is set up or showing example data. It never runs on Signals pages, on a pharmacist card's link or on this page.
How long
Google keeps detailed visit records for 2 or 14 months, depending on the account setting, and keeps report totals longer. Its cookies in this browser last up to 2 years unless you delete them, and the button below deletes them.
Who can see it
Google, and the Resin Health team, which sees totals in Google's reports. Advertising features are off.

Videos you play

When you tap play on a video, the player loads from YouTube's privacy-enhanced service, youtube-nocookie.com. Nothing loads from YouTube before that.

Why
The explainer videos are hosted there.
Where
YouTube receives your internet address, your browser type and which video plays.
How long
Under YouTube's own policies.
Who can see it
YouTube, which is part of Google.

Visits to this site

Like any website, this site's host receives your internet address, your browser type and each page or file you open.

Why
To deliver the site, run the photo reading and receive problem reports and Chat totals.
Where
Vercel, the company that hosts the site.
How long
The request logs the Resin Health team can see keep each visit for no more than 30 days.
Who can see it
Vercel, and the Resin Health team when it looks into a problem.

Files you save

Backups, downloads and printouts

A Signals backup, the CSV, JSON or FHIR file from Report, and a doctor summary you print or save.

Why
To keep your own copy, move your entries to another device, or share them with your doctor.
Where
Wherever you save them. They are never sent to Resin Health.
How long
Until you delete them. The button below cannot reach them.
Who can see it
Anyone you give them to, and anyone who can open the place you saved them.

On our team's phones, in sessions

Study session answers

If you take part in a session with our team, your answers about the app, how long each task took and the team's notes. You are not asked your name.

Why
To learn what to fix in the app, for the NIH competition.
Where
On the team's study phone, apart from the app's own data. At the end of each session day the team saves them to a file and clears the phone. Nothing is sent over the internet, and Google Analytics does not load.
How long
The team plans to keep the file until the competition's Phase 2 judging ends, then delete it.
Who can see it
The Resin Health study team.

Signals session answers

If you try Signals with our team, your answers and how long each task took. You use made-up example entries, never your own, and you are not asked your name.

Why
To learn what to fix in Signals.
Where
On the team's session phone. At the end of each session day the team saves them to a file and clears the phone. Nothing is sent over the internet, and Google Analytics does not load.
How long
The phone keeps them until that file is saved. The team has not yet set how long it keeps the file, and this page will say when it does.
Who can see it
The Resin Health team.

Delete everything in this browser

This deletes everything Resin Health keeps in this browser on this device: your profile, visit counts, your Signals entries and settings, example data, the offline copy, your language and the Google Analytics cookies. Then it checks that nothing is left.

Checking this browser.

The button cannot delete files you saved, or what Google, Anthropic or Vercel already received. Each browser and device keeps its own data, so delete in each one. On an iPhone, Safari and the app on your Home Screen keep separate data.

Afterward this browser is like a new visitor's, so Search, Safety, Chat and Learn load Google Analytics again until you set up Signals.

Questions about your data? Write to info@conductscience.com.

Resin Health is made by ConductScience.

Privacy page 1.2.0, updated November 9, 2026.