NutriProfile Vicky LetchSky News have today investigated Jersey-based Healthspan which heavily promotes an online dietary questionnaire to give tailored nutritional advice to consumers.

Healthspan claims the NutriProfile is the most accurate online nutritional assessment, developed with the input of scientists. But they have had to remove the logos of two universities from a website that had been endorsing the questionnaire.

The website also includes "NutriProfile Explained", a video which is presented by The Jewellery Channel host Vicky Letch.

Catherine Collins, from the British Dietetic Association, warned: "If you're taking everything that's recommended, you could actually reach the levels at which we know there's potential risk. "With vitamin A that could be liver damage or problems in early pregnancy with baby development. And very high levels of folic acid are associated with an increased risk of bowel cancer.