Ireland’s Highest Trained Hypnotherapist
The only hypnotherapy clinic in Ireland with Masters trained Trinity College Psychologists.
We offer personal one to one sessions or group sessions in counselling, psychology, mindfulness and clinical hypnotherapy.
Call us now on 01 6855511 for a free phone consultation.
The Award Winning D4 Hypnotherapy Clinic
with proven results for weight loss, stop smoking, eating disorders, overcoming fears/phobias, improving confidence and reducing alcohol consumption, reducing stress/anxiety plus many more day to day issues.
Member of The Psychological Society of Ireland (PSI)
D4 Clinic founder Jason O’Callaghan will personally work with you for each session and has lost over 4 stone using our methods.
The D4 Clinic on Newstalk with Ivan Yates
Psychologist from The D4 Clinic Jason O’Callaghan is an expert panelist on Ivan Yates’s show on Newstalk. Click to hear Jason explain the psychology behind phobias
Full Online Gastric Band Weight Loss Program
Six audio session Gastric band hypnotherapy program, tutorial video plus printable PDF of how to do the program
Only €99 TODAY ONLY €49 Click for immediate delivery
Our Success Stories
Shane Manning lost 5.5 stone in D4 Clinic after one clinic session.
Pat O’Neill lost 4 stone in 12 weeks
Gaby has lost over 2 stone in The D4 Clinic
Ciara has lost nearly 3 stone in The D4 Clinic
Keith Devlin lost over 7 stone at the D4 Clinic