ERFE and Insulin resistance: Moreover, newly diagnosed Type 2 diabetes and impaired glucose tolerance subjects had higher circulating erythroferrone (ERFE)/myonectin (MN) concentrations than normal subjects; also, plasma MN is correlated positively with waist/hip ratio, body fat percentage, triglyceride, fasting blood glucose, 2‐hour blood glucose after glucose overload, fasting insulin, haemoglobin A1c, and with the homeostasis model assessment of insulin resistance.19