Group 1 - A recent study from the University of California, San Diego, found that women with type 2 diabetes taking metformin have a 30% higher chance of living to 90 years or older compared to those using sulfonylureas [1] - Metformin is evolving from a traditional diabetes medication to a potential anti-aging treatment, with increasing evidence suggesting its role in longevity [1] - The study establishes a link between metformin monotherapy and the likelihood of living to 90 years or older, filling a research gap in this area [1] Group 2 - Key companies involved in metformin production include Koyuan Pharmaceutical, which produces metformin hydrochloride raw materials and tablets for type 2 diabetes treatment [2] - Another company, Teva Pharmaceutical, produces metformin sustained-release tablets that reduce liver glucose production and improve insulin sensitivity [2]