pre training boost

Generally take it for heart burn, might try supplementing before training for added endurance. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6544001/

BACKGROUND: Coffee is an important source of antioxidants, and consumption of this beverage is associated with many health conditions and a lower mortality risk. However, no study, to our knowledge, has examined whether varying coffee or caffeine consumption levels are associated with telomere...