Not to sound like a broken record, but I'm going to echo the resounding response of "everyone"! The beauty of nutrition counseling is that the approach is tailored to each individual's specific needs, goals and concerns. Even if someone has a "healthy" diet nailed down, they could benefit in other ways as well. Personally I look at my clients' overall lifestyles, since everything is connected. For example, a stressed body may not reap as many nutrients from food, so stress management techniques and activities may be recommended.