Ingredients & Effects
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?
Continue reading
We compare the caffeine content of yerba mate tea with other caffeinated drinks and describe their different effects.
Continue reading
Does black tea contain more or less caffeine than other drinks? What are its advantages and disadvantages?
Continue reading
How much caffeine do Guayusa, green and black tea, and mate actually contain? How do they compare with coffee?
Continue reading