This disclosure relates generally to nutritional analysis and recommendations, including systems and methods that provide personalized approaches for analyzing nutrient intake levels and for generating recommendations that are responsive to a user's current nutritional intake and the user's nutrition-related goals. The systems and methods also provide personalized analysis and recommendation for other areas or activities, including applications to exercise adherence, sleep adherence, mediation adherence, and general wellness assessment. Each of these areas or activities can be assessed alone or in combination with one or more other areas or activities.