Which of the following statements is true regarding portion control?

The statement regarding portion control that highlights it requires significant willpower and can be ineffective for weight loss underscores an important aspect of how people interact with food. While portion control is a strategy that can help manage calorie intake and promote healthier eating habits, it may not yield consistent results for everyone, particularly if an individual struggles with cravings or has established patterns of overeating. Portion control requires a conscious effort to regulate how much food is consumed, which can be challenging for many.

This acknowledgment of the willpower required brings attention to the psychological factors surrounding food that can complicate weight management efforts. If portion sizes are adjusted without addressing underlying emotional or behavioral issues, results may vary, leading some individuals to find it ineffective for sustainable weight loss.

In contrast, the other statements are less accurate. While portion control can be a helpful strategy, it may not be universally pleasant or effective long-term if the individual's relationship with food isn’t addressed. It is also not solely focused on improving mental health and does not permit unlimited intake of any food group, which contradicts the principles of balanced nutrition.