How large is the red container used in the 21 Day Fix diet program?

The red container used in the 21 Day Fix diet program is specifically designed to hold proteins, and it has a capacity of approximately 3/4 cup or around 6 ounces. This portion-control system encourages a balanced approach to eating by assigning different colored containers to various food groups, with the size of each container correlating to the appropriate portion size for that category of food. The red container's size aligns with the recommended serving size for protein sources within the 21 Day Fix meal plan, aiming to simplify healthy eating and calorie counting for participants looking to manage their weight and improve their nutrition.