MagDI™Only at Auralia, Dublin
A less invasive way to lasting weight loss.
Thinking about weight loss surgery, but nervous about it?MagDI™ is keyhole weight loss surgery that works with your body's own hunger and fullness hormones. Find out if it could suit you in a free, one-to-one assessment with Dr John Loy, in Dublin or online.
Start with a conversation. In a free, one-to-one assessment, Dr John Loy listens to your story and tells you honestly whether MagDI™, a less invasive weight loss procedure, could suit you.- Typically one night in hospital
- Back to desk work in one to two weeks
- Nothing left in your body afterwards
- Your surgeon and aftercare stay in Ireland
Free. No obligation.
4.8 · 452 reviews
WhatClinic

- Almost 3,000 weight loss procedures
- Ireland's first MagDI™ certified surgeon
Your Free Assessment With Dr Loy
Your Free Assessment With Dr Loy See If MagDI™ Is Right For YouAn honest, one-to-one conversation about your weight, your health and your options. It costs nothing and commits you to nothing.
An honest, one-to-one conversation about your weight, your health and your options. It costs nothing and commits you to nothing. Leave your details and Dr Loy will look at your situation and tell you honestly whether MagDI™ could suit you. It costs nothing and commits you to nothing.Thank you.
Preview only: nothing was sentOn the live page, a patient coordinator would call you within one working day to arrange your free assessment with Dr Loy.
- Time with the surgeon himself, in Dublin or online
- He listens to your health, your history and what you have already tried
- Straight advice on what could work for you, even if that is no surgery at all
- A written plan and one all-inclusive price, before you decide anything
“Meeting Dr Loy to discuss the best surgery for me, I felt it was the first time in my life I was genuinely being listened to and not just blamed or judged for being overweight.”
Why People Ask Us About MagDI™
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A smaller operation
Keyhole surgery, typically one night in hospital. Most people are back at desk work within one to two weeks.
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It works with your body
MagDI™ raises your body's own fullness hormone and lowers the hormones that drive hunger, so you feel satisfied with less.
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Weight loss that lasts
It works in the same proven way as gastric bypass, the operation surgeons have relied on for decades for strong, lasting weight loss.
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Help with type 2 diabetes
Procedures of this kind are among the most effective for blood sugar control.
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Nothing left behind
Two small magnets do their work and then pass naturally, usually within two to three weeks. There is no implant to maintain.
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Your options stay open
Your gut keeps its normal route as well as the new one, which keeps future treatment options open.
Every person is different. Dr Loy will tell you honestly whether MagDI™ is right for you.
How MagDI™ Works
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During keyhole surgery
While you are asleep, Dr Loy places two small magnets in your gut. They hold two sections gently together.
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Over two to three weeks
Your body forms a new, shorter route for food between them. The magnets then pass naturally.
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From then on
Part of what you eat takes the shorter route. You feel full sooner, hunger falls and your body absorbs less.
Dr Loy will talk you through every step at your assessment.

One Surgeon, From Your First Conversation To Your Follow-Up
Dr John Loy, Consultant Bariatric and Metabolic Surgeon, Head of Bariatric Surgery at Auralia
You meet Dr Loy at your assessment, he performs your surgery, and he sees you at your follow-up appointments. He has performed almost 3,000 weight loss procedures and is the first surgeon certified to perform MagDI™ in Ireland.
- FRCS
- Head of Education, BOMSS
- IFSO member
- MagDI™ certified
Care that stays in Ireland
- Your dietitian and the Auralia weight loss app
- Structured check-ins after surgery
- A 24/7 surgical emergency line
- Auralia Private Hospital, Dublin: Ireland's first internationally accredited private hospital
If something worries you at 2am, you call us.
25 years caring for patients in Ireland·40,000+ patients
What Patients Say About Meeting Dr Loy
“He took the time to explain everything clearly and made sure I felt comfortable every step of the way.”
“Dr Loy was a good doctor listening to my concerns I was a bit worried before my surgery but Dr Loy was helpful in calming me down”
“The team hand hold you throughout, follow up calls, check ins, and as Dr Loy said on the day of leaving after the Op, our care continues for months following the Op, which was comforting when you are at home afterwards.”
Your Questions, Answered
A patient coordinator calls you within one working day, answers your first questions and arranges your free assessment with Dr Loy, in Dublin or online. After the assessment you receive a written plan and one all-inclusive price. There is no obligation at any point.
No. That is what the assessment is for. Dr Loy looks at your health and your goals and recommends what fits you. Sometimes that is a different procedure, and sometimes it is no surgery at all.
No. Once the new connection has formed, the magnets pass through your digestive system still joined together, usually within two to three weeks of surgery and sometimes longer. Most people do not notice. An X-ray confirms they have gone.
MagDI™ has been in clinical use since 2021 and is authorised by the US FDA, Health Canada and CE marked in Europe. As with any surgery there are risks, including bleeding, infection, hernia and, rarely, the need for a further procedure. Long-term data beyond two years is still being collected. Dr Loy will go through the risks with you in full.
Your all-inclusive package starts from €359 per month over 36 months. It covers your surgeon, hospital and anaesthetist, the magnets, follow-up appointments, dietitian support, the Auralia app and first-year surgical complication insurance. You receive a written quote after your free assessment.
Not Sure Yet? That Is Exactly What The Assessment Is For.
Free, one-to-one, with Dr John Loy. In Dublin or online.