The Circle

The Source.
You are in it.

La Source is our private circle: it's reserved for HYDROGENYX Flask buyers. Free access, included with your order. No subscription · no reminders.

  • Hydration protocols by profile
  • Anonymized feedback
  • H₂ research reading notes
  • Direct team communications

What you'll find there

Everything is measured. Everything is shared.

Protocols

Morning hydration · pre/post-workout · simple daily rituals. Adapted by profile (sport, well-being, sleep, focus).

Education

Reading notes on H₂ research — several hundred studies published since 2007. Aoki 2012, Ostojic, LeBaron. Popularized, without extrapolation.

Community

Anonymized feedback. Moderated discussions. For buyers only — no sales pitches.

Behind the Scenes

Direct communications from Paul, the founder · DPD reagent testing guides · priority access to product developments.

Membership

How to join.

  1. Order HYDROGENYX Flask

    €239 · free tracked delivery · 6 to 10 business days · pay in 4 instalments with Klarna.

  2. Receive & Verify

    Kit delivered with tracking. Concentration verifiable with DPD reagent (colorimetric reference method) · kit available online (~€20).

  3. Activate The Source

    Access link in post-delivery email. No third-party registration, no app to install.

Discover the Flask — €239
Discover the Flask — €239

Founder's Note

"The Source is not a sales channel. It's where we share what we read and what we measure."

Paul Fournier · Founder
HYDROGENYX

Frequently Asked Questions

The Source, explained.

Is there an admission fee for La Source?

No. The Source is included with every HYDROGENYX Flask. No subscription, no recurring charges, no hidden fees.

What's inside?

Hydration protocols, reading notes on H₂ research (a field of research — never promises), anonymized feedback, and behind-the-scenes brand insights.

How do I access it?

The access link arrives in the post-delivery email. No third-party registration, no app to install. Need help? Contact us — French customer service, response within 24 hours.

What if I turn my Flask over?

You have 60 days to be satisfied or get your money back. In case of a return, the refund is full and access to the circle simply stops. Read the guarantee.

HYDROGENYX Flask

Power supply included.
€239 instead of €299.

Order the Flask — €239
Order the Flask — €239

Tracked delivery available · 60-day satisfaction guarantee or your money back · 5-year warranty · 4 payments with Klarna

The HYDROGENYX Flask is a water preparation device, not a medical device. It does not prevent, treat, or cure any disease.