Survivorship Promotion In Reducing IGF-1 Trial

Participants will receive metformin, an oral medication for type 2 diabetes.Participants randomized to the metformin intervention will receive metformin up to 2,000 mg per day.Dosing can be flexible, two or three times per day with meals as tolerated for 12 months.

Behavioral-based telephonic coaching with web-based support to promote healthy lifestyle and weight loss in overweight and obese adults.The goal of this intervention is to achieve at least 5% weight loss in the first six months of the intervention and maintain these improvements through month twelve by meeting dietary and exercise goals