“In line with these findings, vivo rodent studies have shown anti-diabetic effects of 10 weeks of cafestol administration compared with control with lower fasting plasma glucose, lower fasting glucagon and improved insulin sensitivity.
”He added: “Another major site of coffee’s actions appears to be the liver, causing lower risk of fat liver (steatosis).
“Long-term preservation of proper muscle, liver and beta cell function may account for the association of habitual coffee drinking with a lower risk of T2D.”
Professor Hermansen recommended a daily intake of three to five cups of coffee to experience the “largest anti-diabetic effect”, stating this is considered a “suitable” amount by the European Food Safety Authority.