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Agewell GuideCLINICS · Q2 2026Get the weekly briefing
Medical fasting retreatSources checked

Buchinger Wilhelmi review: cost, what you get and follow-up

Buchinger Wilhelmi is a residential medical fasting program, not a diagnostic longevity checkup. It operates in Überlingen and Marbella and recommends at least ten days for therapeutic fasting. The 2026 Marbella price list starts Fast Compact at €4,720 for ten nights in a standard single room, with medical consultations, nursing, core laboratory work and a therapy credit included.

What we checked

Price, program scope, clinician time and follow-up.

We checked the provider’s current program pages and, where available, independent or regulatory sources listed below. We then separated standard inclusions from optional costs and open questions. Every source carries the date we reviewed it.

The short answer

Is Buchinger Wilhelmi worth considering?

Public starting price

Buchinger is a serious residential fasting program with clearer medical supervision than a typical wellness retreat. The starting price is only useful once room category, stay length, specialist care, medication and treatments above the included credit are added. It is most suitable for someone specifically choosing supervised fasting, not someone shopping for a broad diagnostic workup.

Published price
Marbella Fast Compact from €4,720 for 10 nights in 2026
Service type
Medical fasting retreat
Where
Überlingen, Germany · Marbella, Spain
Information checked

At a glance

The facts that change the decision

Service
Residential medically supervised fasting and integrative care
Operating clinics
Überlingen and Marbella
Minimum stay
At least ten days for the therapeutic fasting program
Published price
Fast Compact from €4,720 for ten nights in a standard single room in Marbella

Best fit

  • Someone specifically seeking medically supervised residential fasting.
  • A guest who values 24-hour nursing and an onsite doctor rather than a hotel-only reset.
  • A buyer able to commit at least ten nights plus travel and re-entry time.

Ask before booking

  • Is fasting medically appropriate with my diagnoses and medication?
  • What is the complete price for my room, duration and likely therapies?
  • How often will I see a physician during my exact stay?
  • What clinical follow-up is included after I return home?

Choose something else if

  • You want a one-day diagnostic assessment or broad imaging package.
  • Your medical history or medication makes fasting inappropriate without specialist clearance.
  • You are comparing the lowest room price without adding likely therapies and extras.

What a Buchinger stay includes

The program combines a preparation day, a fasting period and a structured return to food. The 2026 Marbella information includes accommodation, initial and final standard laboratory work, two medical consultations per seven nights, 24-hour nursing, an on-call doctor, fasting provisions, group activities and a €45-per-night therapy credit.

Buchinger Wilhelmi cost

The published 2026 Marbella starting point is €4,720 for a ten-night Fast Compact stay in a standard single room. Price changes with clinic, room, duration and program. Specialist medicine, medication, supplements, non-fasting meals and therapies above the credit can add to the bill. Request the complete stay estimate before paying a deposit.

Why the ten-night minimum matters

Buchinger says the shortest clinic fasting program needs time for preparation, roughly six fasting days and gradual refeeding. Its public guidance advises against longer unsupervised fasting and describes daily nursing checks plus medical support. That structure is the main difference from a hotel cleanse or fasting box.

Fasting is not suitable for everyone

Fasting can affect blood pressure, glucose, medication needs and hydration. A residential setting reduces some practical risk but does not make the program appropriate for every diagnosis, pregnancy, eating-disorder history or frail patient. Ask the medical team to review contraindications and medication changes before travel.

Follow-up after the stay

Buchinger provides app-based material and discharge guidance, but its public pages do not specify a fixed schedule of post-stay physician appointments. Ask what laboratory or clinical reassessment is recommended, who reviews it and how the plan connects with your doctor at home.

Questions people ask about Buchinger Wilhelmi

How much does Buchinger Wilhelmi cost?

The 2026 Marbella list starts Fast Compact at €4,720 for ten nights in a standard single room. Clinic, room, duration and extra therapies change the total.

Where are the Buchinger Wilhelmi clinics?

The operating clinics are in Überlingen, Germany and Marbella, Spain. A Côte d’Azur location is planned for 2029 and is not currently open.

How long is a Buchinger fasting stay?

Buchinger recommends at least ten days for therapeutic fasting, including preparation, fasting and a structured return to food.

Is medical care included?

The published program includes medical consultations, standard laboratory work, 24-hour nursing and an on-call doctor. Specialist care, medication and some therapies can cost extra.

Sources checked for this profile

Agewell is an independent buyer’s guide, not a medical provider. Screening and treatment decisions should be made with a qualified clinician who knows your history.

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