"I trained 4x a week — and each next day I paid for it in inflammation"

Testimony from Antoine, 38, engineer, elite footballer (regional championship), Lyon. Collected March 2026. No financial compensation was requested from HYDROGENYX for the publication of this text.

"Slow down, or you'll break something."

That's Mounir. My osteo for seven years. In Lyon Saxe-Gambetta. Monday January 15, 2026, 9 AM, on the massage table.

"Antoine, you're 38. You play 4 times a week. You CrossFit Saturday. You swim Sunday. And you see me every 15 days for a knee, an Achilles tendon, a cervical, a lumbar — take your pick. It's not possible anymore. You slow down, or you break something."

And he was right.

But what he didn't know — and what I didn't know yet — was that my problem wasn't the quantity of sport. It was my ability to recover.

The myth "younger, better recovery"

At 25, I was doing the same training volume. No pain. No soreness. Recovery in 24h max.

At 38, same sessions, same parameters. But:

• DOMS lasting 72h after the slightest intense session
• Right knee that clicks at every squat
• Chronic left Achilles tendinitis for 14 months
• Permanent diffuse inflammation sensation

"You're aging" Mounir would tell me. Except my colleague Pierre, 41, similar amateur athlete, had none of these symptoms. So age couldn't be the only explanation.

I searched. Not at my doctor's (who'd have prescribed anti-inflammatories). On PubMed.

7 peer-reviewed studies on molecular hydrogen in sports recovery

In a few hours of reading, I found an entire field nobody had told me about: molecular hydrogen (H₂) in sports physiology.

320+ peer-reviewed studies cumulated (Ichihara 2015 review). 7 flagship studies on sports recovery. All randomized double-blind. All on documentable athletes.

The three most solid:

1. University of Tsukuba (Japan, 2012) — Aoki et al., Medical Gas Research. 10 elite footballers. Hydrogen water (1.5 mg/L) for 14 days. 39% reduction in post-effort blood lactate + significant peripheral function improvement.
2. University of Belgrade (Serbia, 2018) — Korovljev et al., Journal of the International Society of Sports Nutrition. 60 overweight adults randomized vs placebo. 24 weeks. 4.9% visceral fat reduction (DXA), +12.4% HDL, improved metabolic markers.
3. Ostojic et al. (Serbia, 2014) — Research in Sports Medicine. 36 elite Serbian footballers. 4 weeks hydrogen water (1.5 mg/L). CK −19%, post-effort lactate −15%.

Why H₂ works in sports and not vitamin C

When you do intense exertion, your mitochondria produce 10 to 15 times more free radicals than at rest. It's normal — it's even necessary to stimulate cellular adaptation.

But after 35, your endogenous antioxidant production (glutathione, SOD, catalase) drops. The post-effort free radical peak is no longer correctly neutralized. Consequence: low-grade chronic inflammation that prolongs soreness, slows tendon healing, irritates joint synovials.

Why not classical antioxidants (vitamin C, E, Q10)?

• Too big: they stay in the blood, don't enter the mitochondria.
• Non-selective: they also neutralize free radicals useful for cellular adaptation. Result: they block training gains (well-documented paradox in athletes).

Molecular hydrogen (H₂):

• Smallest molecule in the universe: diffuses into mitochondria in 3 minutes.
• Selective: neutralizes ONLY toxic radicals (hydroxyl, peroxynitrite), leaves intact those necessary for signaling.
• No ergogenic effect (so not doping, off WADA list since 2015).

My 6-week protocol

I started the Monday after my session with Mounir. Single modification: 750 mL/day (optimal plateau) of hydrogen water, freshly prepared in the morning with the ELITE 9K HYDROGENYX bottle (9 000 PPB DPD-validated, the only scientifically documented level in sports physio).

For session days, I drink 50cL before training and 50cL just after. Other days, 750 mL/day (optimal plateau) spread over the morning.

Week 1: nothing obvious. Soreness remains.

Week 2: after my Tuesday training session, Thursday soreness 30% less strong. I think I'm dreaming.

Week 3: soreness objectively halved. I can do another session the next day — something impossible before.

Week 4: chronic left Achilles tendinitis, present for 14 months, has totally disappeared. Mounir can't believe it.

Week 6: I go from 4 to 5 sessions per week. No sign of exhaustion. No new pain.

Week 10: I sign up for the regional veterans championship (Oct 2026). For the first time in four years.

What it cost

€299 for the ELITE 9K HYDROGENYX bottle (with a -15% code below). Compared to the €1 800 I spent in 18 months on osteo, physio, podiatrist, orthopedic insoles, turmeric capsules, anti-inflammatory supplements.

Honest warning

I'm not a doctor. Molecular hydrogen isn't medicine. It's not doping (off WADA list since 2015) but it's not a miracle solution either. It complements good training hygiene, doesn't replace it.

If you have a real injury (tendon rupture, muscle tear), you need a physio or surgeon — not a bottle.

Who this testimony may make sense for

• Amateur or semi-pro athlete, 30-50
• 3-5 sessions a week
• Recovery getting longer with age
• DOMS lasting 48-72h
• Recurring tendinopathies

To go further:

• The 7 peer-reviewed studies on molecular hydrogen
• Why 9 000 PPB DPD and not 2 000 PPB
• Post-effort muscle recovery: 2026 protocol

Discount code dedicated to amateur athletes reading this testimony: RECUP15 — 15% on the ELITE 9K bottle. Valid 60 days. Discover the bottle.

⚠️ Personal testimony. Off WADA list since 2015 — not a doping product. Doesn't replace medical or physio follow-up in case of sports pathology. Consult a professional before major change. Effects vary from person to person.