"Losing the weight couldn’t have been easier. With the support I needed from the staff and the diet plans I could not believe the results. Within 24 months I had lost 5st 8lbs and felt fantastic. I felt so much healthier and have so much more energy and confidence. Losing so much weight and going from a size 18 to a size 10 and 8st 13lb made me feel fantastic. I feel a different person. I had the help and support I needed and felt extremely proud of myself.

*Weight loss will vary due to your individual circumstances."


Debra Marlow

"I am so much happier now; I can buy nice clothes that fit me, I am a lot more active and I can enjoy walking the dogs now whereas before it was more of a struggle. I feel a lot healthier and don’t get breathless during day to day activities.*"


Lewis Marlow

"Now that I have lost over 4 stone, I look and feel better – and everyone comments on how fantastic I look. I can also buy clothes from anywhere now whereas before I was limited to places that had larger sizes. *


Call us on: 02920 664 700

Opening Times

  • Monday: 13:30 - 17:30
  • Tuesday: 09:00 - 13:00
  • Wednesday: 09:00-13:00
  • Thursday: 09:00 - 13:00
  • Friday: CLOSED
  • Saturday: 09:30 - 13:00
  • Sunday: CLOSED


National Slimming & Cosmetic Clinics
39 Charles Street
CF10 2GB

Our Cardiff Clinic

National Slimming & Cosmetic Clinics with 27 clinics nationwide, are the UK’s largest provider of specialist medical weight loss treatments and one of the largest providers for cosmetic treatments.

At the clinic our aim is to make you feel welcome and comfortable. Our fully trained and qualified staff offer friendly support, professional advice and the very best in patient aftercare. We have helped hundreds of thousands of people to lose weight successfully over the last 34 years and have delivered only the very best results for our cosmetic patients. Our friendly, supportive approach and constant care are the key to our patients’ success. As part of the largest medical slimming group in the UK, we offer doctor supervised slimming programmes. During your free consultation with one of our doctors you can discuss the different treatments available here at NSC Clinics. Two of the slimming medications that we offer are Phentermine and Diethylpropion that act as appetite suppressants. Your lifestyle, medical history and mini health check will depend on what slimming medications our doctors prescribe to you. Our medical weight loss clinics are effective in treating obesity and overweight conditions at affordable prices.*

All of this is done safe in the knowledge that all of our clinics are fully registered with the Care Quality Commission.

*Please note individual results may vary & these results are not guaranteed.

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