Abstract-Weight gain is being one of the prominent and common problems affecting society. Therefore, consumers are increasingly appreciating the expedient access to dietary information. The increasing number of searches on the Internet has massively improved the number of health websites on the Internet. Due to the increasing number of health conscious consumers, we propose the personalized health management portal for users. The modules available in the portal are personal and medical profile management, diet monitoring, workout monitoring, alert and notification, personalized diet planning and menu construction. The distinctive novelty of this portal is the capability to recommend personalized diet plan and menu construction to its users. The solutions are recommended based on a knowledge-based approach that allows fast and dependable decision making process. This personalized weight management solution would be a great way to assist online consumers to manage and maintain their weight based on their preferred health and weight requirements.