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About NutraTech

Established in 2004, NutraTech Ltd specialises in providing online and mobile weight management services under its own weight loss brand 'Nutracheck'.

The Nutracheck service ( was developed in consultation with leading weight management expert Dr Ian Campbell. It is based on the simple and effective food diary system, an approach that offers a safe, sensible and long-term solution for weight loss.

NutraTech is independent of food manufacturers and retailers, and seeks to provide an impartial source of nutritional information in an easy-to-use, consistent format. All information is based on Government reports and guidelines and uses food-industry recognised sources.

Our Ethos

The philosophy of the online food diary service is 'knowledge is power'!

Our goal is to help people take control of what they eat through more informed food choices. The food diary system is about making small step changes that are sustainable. To achieve long-term dietary improvement, an individual must learn how to adjust their diet in a way they can live with - without resorting to drastic measures such as meal replacements or excluding food groups.

We believe that a healthy diet is all about balance and moderation.

The most effective way to lose weight is through a calorie-controlled diet combined with increased physical activity. Maintaining a healthy weight is only achieved by gaining a real understanding of your body's energy requirements and the fine balance between calories in (food) and calories out (exercise).

Weight Loss Approach

Our Nutracheck service is based on the tried and tested food diary approach used by many doctors and dietitians. There is no diet plan to follow, a user starts by recording everything they eat and drink in their personal food diary, staying within the calorie and exercise target set.

For many people, a 'diet' is viewed as something they do for a time to lose weight before going back to eating 'normally' again. However 'normally' often still involves many of the bad habits that caused the weight gain in the first place, so they end up regaining the weight lost - and more besides! It is the classic yo-yo dieting cycle.

The food diary system doesn't expect an individual to take drastic dietary measures overnight, it is about making small sustainable changes over time. The food diary helps them to start modifying what they currently eat, swapping calorific foods for lower calorie, healthier options.

For someone to stick to an eating plan for longer than a few weeks, it has to be down to them to decide and control what eat. We believe that knowledge is power. Nutracheck provides the information you need to eat smarter and make healthier food choices. It's about re-educating eating habits for the long term - essentially a lifestyle change.

Our Team

Tim Vryenhoef

Founding Director Tim Vryenhoef has a retail background in buying and marketing for Boots the Chemist and Sainsbury's. During his time as the Boots Weight Management Category Manager, Tim developed an in-depth knowledge of the weight loss market.

Rachel Hartley

Founding Director Rachel Hartley has a background in food product development and marketing. As Product Manager for Boots the Chemist, Rachel developed new products for the Shapers low calorie sandwich range. She then gained further new product development experience with Boots creating non-food products for major multiples.

Paul Cookson

Founding Director Paul Cookson is an experienced software engineer. Motivated by... technology (a total geek at heart) Passionate, sports (especially golf) and his family.

Dr Ian Campbell MBE

Ian is one of the UK's most respected experts in obesity and weight loss. He's a prominent campaigner for the prevention and treatment of obesity and founded the National Obesity Forum.

Dr Janet Aylott

Janet is a doctor in nutrition science and was previously a company nutritionist for Nestle UK.

Kelly Marshall

Kelly has an MSc in sport and exercise medicine. She lectures physiotherapists at Nottingham University and is Director of The Body Project. Kelly has also been a player and consultant for the England under 18 and under 21 women's hockey teams.

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