D4 Clinic

58 Newtownpark Ave, Blackrock
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Welcome to the Award Winning Hypnotherapy @
The D4 Wellness Clinic

Hypnotherapy Clinic Dublin

If you wish to lose weight for the big day, quit smoking, reduce anxiety, overcome insomnia or get help for speeches we can help both online or in clinic

The D4 Clinic services are now available face to face in Dublin and online via pre-recorded and Zoom/Skype sessions.

We offer both personalised and pre-recorded clinical hypnotherapy sessions from Ireland to clients around the world for a wide variety of issues. Most programs can be instantly downloaded or made to order to allow you to do them from the comfort of your own home.

The clinic is run by Jason O’Callaghan, a consulting psychologist specialising is clinical Hypnotherapy and behavioural science. Jason is regarded as the leading clinical hypnotherapist in Ireland and mentioned as one of the most successful in the world.

He holds a Master’s degree from Trinity College in Applied Psychology, a BA (Hon’s) in Psychology plus qualifications in CBT and Counselling. He is also a Certified Instructor with the world’s biggest hypnotherapy organisation, the National Guild of Hypnotherapy (USA). He is the author of the bestselling motivational book “Get the Life You Deserve”.

Since 2012 The D4 Clinic has become nationally and internationally known as the leading clinical and medical hypnotherapy practice in Ireland

Today, we help clients around Ireland and the world.

Hypnotherapy is not suitable for people with epilepsy

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