Track and optimize your dietary and metabolic health, simply by using the toilet.

Bisu Washlet

Bisu Washlet is a smart toilet seat which analyzes a range of metabolic markers in your urine. It provides you with daily feedback on your dietary health and personalized recommendations to help you reach optimal health and performance

Know yourself from the inside out.

Track your daily dietary health and fat loss progress

Track fat metabolism, dietary balance, salt intake and hydration status with a single daily test 

Receive personalized advice direct to your phone

We interpret your data based on previous tests and your profile, and provide tailored feedback to help you reach your goals

Test on-site and get results in minutes

No sending away samples to a lab – unlike blood testing, urine testing can be performed completely on-site and the results obtained in minutes

One-touch operation with no cleanup required

Bisu Washlet activates with a single button press and cleans itself automatically after each test

Bisu Washlet will be available for beta testing in 2018.

Contact us to see a demo of our current prototype

Frequently Asked Questions

Q: What biomarkers will Bisu Washlet measure?

A: Bisu Washlet will measure fat metabolism, dietary balance and hydration (while we also aim to measure electrolyte balance, we cannot guarantee this at present). Bisu Washlet will also measure and adjust for urine concentration for each measurement, in order to provide high accuracy data. We will release information on the precise substances being detected in due course.

Q: How accurate are the measurements? What if my urine is dilute or concentrated?

A: We are able to detect extremely small concentrations as low as 0.05mmol/L. All measurements taken are adjusted for concentration to ensure that consistently accurate data is obtained, regardless of whether your urine is dilute or concentrated.

Q: What is the technology involved?

A: Each sample is analyzed using sophisticated microfluidic technology and pH and ion-sensitive sensors. After each test the inside of the device is cleaned with a cleaning solution, and the data sent to the cloud for analysis and display on your phone. Each month you will receive a replacement cartridge to replenish the chemical reagents consumed by the device.

Q: What is the science involved?

A: We will release both third party research and our own proprietary research for each biomarker analyzed in due course.

Q: How will I perform a test?

A: We expect that you will be able to activate the device using its fingerprint recognition sensor (when sitting down), or by using your mobile phone (when standing up). You will then pee onto the device’s sample collection arm, which moves into position on activation. The device will notify you when the sample has been successfully captured, and you can flush the toilet as normal. You will receive the results of your test several minutes later, and the device will clean itself automatically.

Q: When should I perform tests?

A: We generally advise that you test either first thing in the morning or last thing at night before bed, as readings taken during the middle of the day are not generally useful. We will provide more details on the science behind this in due course.

Q: How long do reagent cartridges last?

A: We expect that each reagent cartridge will last for one month assuming you perform one test each day. We hope to provide you with replacement cartridges more or less frequently than this according to your testing frequency.

Q: How much will Bisu Washlet cost?

A: We are unable to give price indications at present because we are still at the pre-manufacturing stage. We will however provide more information on this as soon as we are able to. Sign up to receive product updates here in the meantime!

Q: Can I become a beta tester?

A: We welcome applicants for beta testing of Bisu Washlet. Please get in touch first to receive a prototype demo and discuss your needs, so we can confirm whether we are able to shortlist you for our 2018 beta test.

Q: When can I pre-order?

A: As our priority is on preparing for our 2018 beta test, we cannot comment on the expected timing for pre-orders. However, you can sign up to receive product updates here in the meantime!

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We help people track and optimize their dietary and metabolic health, simply by using the toilet.

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