Caffeine
Psychoactive alkaloid in coffee (0.8-4% depending on species). Metabolic half-life 5-6 hours (variable CYP1A2 gene). WHO recommended limit: 400mg/day for healthy adults, 200mg/day for pregnant women.
Psychoactive alkaloid in coffee (0.8-4% depending on species). Metabolic half-life 5-6 hours (variable CYP1A2 gene). WHO recommended limit: 400mg/day for healthy adults, 200mg/day for pregnant women.