Ingredients & Effects

The world’s most caffeinated drink? A fact-based comparison

Which drink has the most caffeine in the world? We compare them. The result surprises many: it’s neither guarana nor coffee!

Caffeine: effects, overdose, withdrawal, pregnancy and more

Caffeine’s effects are well known, but what counts as an overdose with side effects, and what is caffeine withdrawal like? What about caffeine during pregnancy?

Yerba mate tea: effects on blood pressure, skin, weight and more

How does yerba mate tea affect the body, skin and blood pressure? Explore its effects, including its role in weight loss, and compare yerba mate with matcha.