What do you mean by 'too heavy'? I'm not sure how moving the data to another table would help if you have a lot of users. I would use a user_profiles table if

What do you mean by 'too heavy'? I'm not sure how moving the data to another table would help if you have a lot of users. I would use a user_profiles table if I wanted values to be localized (different values for different languages), but couldn't see a good reason otherwise.