A client who is overweight tells the nurse of plans to monitor the glycemic index of foods the client eats to ensure an adequate intake of vitamins and nutrients while trying to lose weight. Which action should the nurse implement?

Encourage the client to talk about reasons for desiring to lose weight.

Ask if using the glycemic index has helped the client stay on track with weight loss goals.

Advise the client to seek medical supervision before using the glycemic index.

Discuss the benefits and limitations of using the glycemic index.