What is the fine-grained topic of the following text: A firm co-founded by Whole Foods Market chairman John Elstrott is in talks with top consumer healthcare firms about developing medical foods containing a novel ingredient claimed to improve blood glucose control and metabolic function in pre-diabetics and type 2 diabetics. Only return the topic.
Developing medical foods for blood glucose control and metabolic function in pre-diabetics and type 2 diabetics.