Excellent research engines, we'd highly recommend!
1. http://youngwomenshealth.org/nutrition_menu.html:
This site is by the Young Women's Health by the Children's Hospital of Boston. Don't be put off by the site title, while it seems to cater to girls and women, it's got some detailed nutrition information that both genders can use.
2. http://teenshealth.org/teen/food_fitness:
A great jumping off point, with all the basic information you could ask for. The site is huge, we used and read multiple articles, so we decided to post the entire nutrition and health section. Information is always reviewed by licensed physicians.
3. http://www.youngwomenshealth.org/healthyeating.html :
This helpful site got us started on the specific reasons teens, especially, require a balanced, nutritious diet. In addition, it listed the most important components of what that kind of diet entails.
4. http://www.betterhealthusa.com/public/268.cfm:
This site was, in general, the most extensive we came across. Not only did it list specific types of foods to avoid, but it also provided some ideas on meal planning and background information on macromolecules.
This site was, in general, the most extensive we came across. Not only did it list specific types of foods to avoid, but it also provided some ideas on meal planning and background information on macromolecules.
This website, specifically for teens, contains the amount of each macronutrient recommended, and some very helpful information on why teens need better nutrition than any other point in life. In addition, it aims to help teens understand the importance of choosing better foods and maintaining a good body image.
6. http://www.healthcastle.com/goodfats-badfats.shtml:
For information on foods to avoid, we looked to this site to provide us with good fats vs. bad fats. It detailed specific foods that contained the different types of fats. For example, polyunsaturated and monounsaturated fats vs. trans and hydrogenated fats.