Most men put up with declining energy, drive and focus for years before anyone investigates why. Often there is a measurable, treatable cause. At Longevity Marbella, a specialist gets you real answers, backed by proper blood work, not guesswork.

Dr de Windt, MD
Dr de Windt, MD Double board certified in Spain • Internal Medicine and Endocrinology • Full authority to diagnose and prescribe • Número de colegiado 292911860 Your care is directed and monitored by me personally. Consultations by secure video, at your residence, or at a private partner clinic on Avenida Ricardo Soriano, Marbella, with access to full hospital infrastructure across Marbella for imaging, laboratory work and procedures whenever a case requires it. Trained in andrology, fertility and sexual medicine with ASESA, the Spanish andrology association, across the 2025 and 2026 editions of its national course.

Gain muscle. Lose fat. Both begin with a measurement. The Body Composition Assessment

What we help men with

The specialist difference

Your care is led by a doctor double board-certified in Internal Medicine and Endocrinology, a specialist who understands hormones and the rest of your body, so you are treated, not merely monitored. This is what specialist-led care means.

Comprehensive, not superficial

We start with a thorough consultation and specialist-selected blood work, then build a personalized plan and follow it through (more on what a proper blood panel measures, and why interpretation matters). Where treatment is indicated, options include:

Discreet, convenient care

Private telemedicine and concierge home visits across Marbella, Estepona, Puerto Banús and the Costa del Sol. English and Dutch spoken, in complete confidence.

5.0 on Google from 21 reviews

“Best sports endocrinologist in town”

Joel Amador, Google review

Unedited Google reviews from the verified profile I manage. A selection is shown here; all twenty-one are on Google, including the ones in other languages.

Request your consultation

About Men's Health. Tell me briefly what you need and how to reach you. Your enquiry comes straight to me, in confidence, and I reply personally.

Handled in confidence and never shared. Consultations in English or Dutch, by secure video or across the Costa del Sol.

The questions worth asking any men's health clinic

What happens at the first appointment?

A proper history first, your symptoms, sleep, training, medication and goals, then a specialist-selected blood panel planned around what your story actually raises. We have written about what a proper men's health blood panel measures, and yours is built the same way.

How fast can I be seen?

Quickly. The WhatsApp arrives with me personally, and consultations are arranged fast, by secure video, at your residence, or in clinic, in English or Dutch.

When would you look deeper before prescribing?

See the next section; it is a question every good clinic should be able to answer in writing.

When we look deeper first

Deeper first is not slower: most of it happens inside the same work-up, and it is why the answer you get is worth acting on.

Frequently Asked Questions

What does a men's health consultation include?

A thorough review of your symptoms, history and goals, comprehensive blood work where indicated, and a personalized plan. It covers energy, hormones, metabolic and sexual health, with ongoing follow-up.

Do you treat low testosterone?

Yes. Low testosterone is diagnosed with blood work and, where appropriate, treated with specialist-led, monitored testosterone replacement therapy. See our dedicated TRT page for detail.

Who is the doctor?

Your care is directed by a doctor double board-certified in Internal Medicine and Endocrinology, specialist expertise in hormones and in your wider health, rather than general-practitioner-level oversight.

Do you offer telemedicine and home visits?

Yes, private video consultations and discreet concierge home visits across Marbella, Estepona, Puerto Banús and the Costa del Sol. English and Dutch spoken.

What does it cost?

It depends on your individual plan, built around your assessment. Everything is discussed transparently after your consultation, with no obligation.

This page is for general information only and is not medical advice. All treatments require individual assessment by a qualified doctor.

Get real answers

Speak with our specialist about your energy, hormones and performance, on a private video call or a concierge home visit across the Costa del Sol.

Book a Consultation