Karen Campbell

Karen Campbell

The Green Door Clinic
30 Weymouth Street

The Training Works
120 St. Margarets Road

07713 855489

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About me

I graduated from the Institute for Optimum Nutrition (ION) in 2014 and quickly decided to specialise in the area of sports nutrition, moving on to gain the ION Diploma in Sport and Exercise Nutrition in 2015.

I am a keen endurance runner having completed17 European marathons and several Ultra marathons to date.

My diploma in sport and exercise nutrition alongside my personal experience and achievements in endurance running, makes me perfectly suited to working with clients having a keen interest in nutrition to enhance their endurance sports performance.

Before becoming a Nutritional Therapist, I worked as a psychiatric nurse and later moved on to working within peer group crisis counselling as part of a long career as cabin crew at British Airways.

My many years of crisis counselling have equipped me with interpersonal skills including empathy, congruence and respect that can help encourage and facilitate nutritional change for clients.

My mission is to be a leader in sports nutrition for athletes ranging from the weekend warrior to the aspiring professional.

I provide:

  • a client-led personalised service
  • bespoke sport nutrition action plans
  • leading edge scientific research information

Please feel free to call me or visit me at The training Works, St Margarets Twickenham for a FREE 30 minute introductory assessment where we can discuss your goals.

Training, qualifications & experience

DipION, Dip Sport & Exercise Nutrition, mBANT, CNHC Registered.

My work is predominantly one-to-one consultations, however on occasion I work with groups to provide educational presentations on specific subjects linked to "Nutrition in Sport".

I am registered with the Complimentary and Natural Healthcare Council (CNHC) and I am a member of the professional body for Nutritional Therapists, British Association for Applied Nutrition and Nutritional Therapy (BANT).

I am also fully insured.

I embark on regular Continuing Professional Development (CPD), which ensures I am continually improving my knowledge and skills. It also assures my continual awareness of new developments within the field of Nutritional Therapy.

Member organisations


Accredited register membership

Areas of nutrition I deal with

        * If you have been diagnosed or suspect you may have one of the medical conditions starred above, you should consult your GP for advice, diagnosis and treatment and always inform your health professional before starting any alternative or additional therapies, treatments or making any major changes in your diet or exercise programme.


        Please contact me for more information on the packages available and to book your FREE 30 minute introductory assessment where we can discuss your goals.

        Further information

        I am a graduate of the Institute for Optimum Nutrition (ION), London where I achieved a diploma in Nutritional Therapy (with distinction) and Sport and Exercise Nutrition (with distinction).

        I am also a clinic tutor at ION, providing professional support to the students currently studying on the nutrition diploma course.

        Additionally, I am an Athletics England Run Leader. I currently lead a running group on a Thursday morning at 9.30am from The Training works, Twickenham.

        London, W1G 7BS
        Twickenham, TW1 2AA

        Type of session

        Online nutrition support: Yes
        Telephone nutrition support: Yes
        Face to face nutrition: Yes
        Home visits: No

        Practical details

        Sign language: No
        Other languages: None


        Accessibility information
        Wheelchair access: Unspecified