5 Key Takeaways

• 1

  Higher habitual coffee consumption is linked to lower concentrations of branched-chain amino acids (BCAAs) in middle-aged adults.

• 2

  The study analyzed data from 2264 participants in the Northern Finland Birth Cohort 1966, all aged 46 years.

• 3

  Greater coffee consumption correlates with lower fasting insulin and improved insulin sensitivity in men.

• 4

  Higher coffee intake is associated with lower total and visceral fat and greater skeletal muscle mass.

• 5

  The findings suggest that coffee intake may influence metabolic and hormonal profiles, differing by sex.