From the homepage bottom left navigation bar, select Diary.
Scroll to the very bottom of your food Diary and select the button labeled Nutrition.
From the navigation bar at the top of the Nutrition page you can select from Macros, Nutrients or Calories.
Macros allows you to view just your macronutrient intake as a pie chart and underneath as exact grams.
Nutrients allows you to view your macronutrient and micronutrient intake as a bar graph with the total, goal and how many grams you have remaining.
Calories allows you to view your caloric intake from each mealtime as a pie graph and in total calories.
From the homepage bottom left navigation bar, select More ···
on the More ··· page select Nutrition five options down. This will take you to the above mentioned pages where you can view your macro, micro and calorie intakes.