A client on mechanical ventilation with extensive burns covering 30% of total body surface area requires nutritional support. Which of the following is the most appropriate initial intervention to address the client's increased metabolic demands?

Start total parenteral nutrition (TPN) immediately without assessing gastrointestinal function.

Initiate early enteral nutrition (EN) as soon as possible.

Provide oral diet consisting of high-calorie supplements.

Delay nutritional interventions until the client is stable and can tolerate feeding.