Insights on supplements, nootropics, and wellness.
55 articles matching "evidence".
Guarana and yerba mate are both caffeine sources. What is documented about each, how to read the numbers, and the caffeine, sleep and mate safety points.
What trials of ginkgo extract show in healthy adults, older adults and dementia, how EGb 761 differs from leaf powder, and which interactions matter.
Coffee, energy drinks, caffeine pills and a gaming tablet compared by caffeine per portion, sugar, sleep and what small gaming trials show.