There are many websites that give full support and advice on healthy balanced diets.

your-fitnesse.com would recommend the following:

• Tesco Diets - a very comprehensive website that can give you week by week guidance. It's discrete personalble.
• Kelloggs Special K diet - this diet plan is gauranteed because you will take in less calories than you burn. Simple maths.
• eDiets.com - very comprehensive website to do with fitness and diet.