A client presents to the clinic with a new diagnosis of type 2 diabetes and wants to know more information on metformin. Which of the following statements are TRUE regarding metformin (Glucophage)? (Select All That Apply.).

Metformin interacts with lodine-containing contrast dye, which can increase the risk of acute renal failure.

Metformin comes in an oral form

A complication of metformin is weight gain

Metformin is used as a first-line medication for type 2 diabetes.