Guayusa in the EU: understanding Novel Food status
Since 2017 the EU Union List authorizes the aqueous extract of dried Ilex guayusa leaves as an infusion. What that means for European manufacturers.
Guayusa and cognitive performance: what clinical research shows
A randomized, placebo-controlled trial of a standardized guayusa extract measured attention and mood in gamers. Here is what it found and why it matters.
The antioxidant profile of Ilex guayusa
Chlorogenic acids, polyphenols and flavonoids give guayusa an antioxidant capacity near double that of green tea. What that means for formulators.
Caffeine + L-theanine: the science of calm, focused energy
Why guayusa delivers steady, clear energy: the caffeine and L-theanine synergy, gentle theobromine, and the profile that helps avoid the crash.