Final answer:
The third step in the NCP is the implementation of appropriate nutrition interventions tailored to the patient's needs.
Step-by-step explanation:
The third step in the Nutrition Care Process (NCP) involves implementing appropriate nutrition interventions that are tailored to the patient's needs. This step is focused on action, where dietitians and healthcare professionals use assessment data to formulate and execute individualized nutrition strategies designed to address the identified nutrition-related problems. It is essential for these interventions to be specific, measurable, achievable, relevant, and time-bound to ensure the best outcomes for the patient.