Guests at Lanserhof, a 35-year-old clinic less than five miles outside of the Austrian city of Innsbruck that attracts architects, entrepreneurs, financiers, and other well-heeled clientele, often leave hungry. The health retreat is known for its fasting program: a minimum of seven days consuming 650 calories per day, on average. The benefits include a gut bacteria reboot, cell and liver regeneration, and reduced inflammation. A 2019 study demonstrated patients with chronic conditions improved after fasting between four and 21 days.
Medically supervised fasting has long been popular at clinics in Germany and Austria, where spending a week focusing only on your health is not unusual. But the desire to combine a wellness holiday with science-based treatments is on the rise beyond European borders.
Wellness tourism is set to grow from US$436 billion to over US$1 trillion by 2025, according to a report by the Global Wellness Institute. A growing movement called biohacking is accelerating the trend, driven by consumers seeking healthier as well as longer lives.
Melanie Gatt has practiced cellular, also called mitochondrial medicine, at Lanserhof since 2018. She’s seen an increase in clients seeking to reduce inflammation and optimise performance.
“There’s greater demand for improving the immune system, cellular regeneration and longevity,” she says. “Cellular repair is one of the most important issues for this. In the last week, I received three emails from regular clients all interested in longevity treatments.”

Biohacking Goes Mainstream
Entrepreneur and author Tim Ferriss has evangelised intermittent and longer-term fasting, dubbing it a “hack” to manage joint pain and other conditions. Ferriss and others, like Dutch wellness guru Wim Hof, have helped make biohacking mainstream.
Hof built a successful business and cult following globally with his two-pronged approach to combating wear and tear on the mind and body: mood-boosting ice baths and stress-reducing breath work requiring slow breathing.
Hundreds of certified Hof disciples around the world lead weekend and week-long retreats, including Chicago-based James Stewart. He started teaching Hof’s methods 10 years ago, and said one of the secrets to Hof’s success is his universal appeal to both men and women.
“The ice bath is a challenge,” Stewart says. “It’s a bit more robust and active, which makes it more appealing from a masculine point of view. And Wim Hof has made breathwork more palatable to people who might have been on the fence about it 10 years ago.”
A decade ago, Stewart says, he was the only person to brave the cold weather surrounding Lake Michigan for year-round dips. “Now, there are anywhere between 50 to 70 people who dip in winter. There’s something that grabs you physiologically; you’re getting that spike in epinephrine, norepinephrine, and you feel alive.”
Low-tech and high-tech treatments are being embraced by practitioners and consumers. In Los Angeles, Upgrade Labs bills itself as the first biohacking gym in the U.S., with an emphasis on specialized technology to assess cells and repair damage, along with a cryo chamber delivering cold immersion therapy with three-minute sessions in a sub-zero, temperature-controlled room or tank.

A Physical and Mental Reset
At Lanserhof’s clinic, a window stretching the length of an entire wall faces snow-covered mountains in a state-of-the-art setting that feels more like a futuristic command center than a medical office. Doctors provide detailed analysis from a wide range of diagnostics.
A 24-hour heart rate variability monitor reveals how activities like working, resting and eating impact energy levels and sleep quality. Intermittent hypoxic training uses an oxygen mask to simulate mountain climbing to measure how cells adapt to reduced oxygen availability, the study of which won the Nobel Prize in Medicine in 2019.
Stimulated by oxygen regulation, cells reject and replace damaged ones with healthy, new cells. An endurance test, called spiroergometry, tracks a patient’s individual fat burning zones, versus sugars. The information illustrates what intensity levels are necessary, or not, for an efficient and effective workout. Results dictate treatments like vitamin infusions, and sports scientists devise training plans to achieve peak performance, as well as recovery.
Historically, patients at Lanserhof and other fasting clinics tended to be older; seeking to improve a heart condition or rheumatic pain, but in the last 10 years, the average age of clientele has dropped from 55 to 47 years old.
Now, Gatt says, guests frequently visit as a physical and mental reset. “Some guests want to optimise their endurance, and some have reduced energy after experiencing infections and they want to understand what’s going on with their immune system and restore their energy levels.”
While it is possible to gather excessive amounts of information, extracting and understanding data related to specific health concerns, like burnout, can underline the impact of lifestyle habits.
Witnessing the impact of stress on the body and how quickly or slowly it recovers, is a great motivator to stop ignoring advice to meditate. For many of Lanserhof’s younger clients, Gatt says, the key to living healthier for longer may lie in obsessing less, rather than more about biohacking.
“We don’t suggest extremes, like doing something every day or eating one meal a day, which is not enough, because you start to lose the benefit and it becomes a stressor for the system,” Gatt says. “It’s easy to go too far. Part of longevity and regeneration comes from balance and knowing how to take a vacation.”
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Citizen Kanebridge member Marcel Zalloua delivered a standout result in Tigani Motorsport’s Mercedes-AMG GT3 Evo, backed by Robb Report Australia & New Zealand and Citizen Kanebridge.
Sydney’s night sky lit up with speed and precision when Tigani Motorsport’s Mercedes-AMG GT3 Evo charged to a second-place finish in the Pro-Am class during Race 1 of the GT World Challenge Australia at Sydney Motorsport Park.
Behind the wheel was entrepreneur and Citizen Kanebridge member Marcel Zalloua, partnered with Supercars regular Thomas Randle in a formidable one-off pairing that impressed from the outset.
The result marks a major milestone for Zalloua, a returning driver with previous success in the Am class, and continues Tigani Motorsport’s strong form in the 2025 season.
Zalloua is part of Citizen Kanebridge, an invitation-only club based in Sydney.
The club curates exclusive events, thought-leadership forums and networking opportunities for high-achieving individuals across investment, innovation and entrepreneurship.
The sleek #44 AMG GT3 Evo also sported a high-end lineup of sponsors, including Robb Report Australia & New Zealand and Citizen Kanebridge, alongside other premium backers — all part of a strategy to align the vehicle with luxury, performance and lifestyle excellence.
Race 1 saw the Zalloua-Randle duo execute a clean, strategic drive to claim the podium, with the car showing strong pace under lights.
Although Race 2 proved more challenging with a ninth-place finish in class, their combined effort across the weekend delivered valuable points to Tigani Motorsport’s championship campaign.
Tigani Motorsport continues to cement itself as a serious contender in the GT racing scene, with smart driver pairings, high-calibre partnerships, and a commitment to performance both on and off the track.
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