"You can only stomach so much turmeric, so to get the effects shown in some of the research, the dose you'd need is incredibly high. I'm not sure you'd get that through a coffee alternative," she says. We've been researching coffee for ages," says Gunter Kuhnle, professor of food and nutritional sciences at the University of Reading. "We know how caffeine acts. Turmeric is used as a spice and colourant in small amounts, but in large amounts in drinks, we don't know."
