The Food Allergy and Anaphylaxis Network  is US based, and has 30,000 members worldwide, including families, dietitians, nurses, physicians, school staff, and representatives from food and pharmaceutical industries.  Find articles, recipes, frequently asked allergy questions, and a kids and teens website!

Parents:  http://www.foodallergy.org/ 

Kids:  http://www.faankids.org/

Teens:  http://www.faanteen.org/