Caffeine has also done well in recent research. For a long time, coffee was triple liver health considered to be bad for the liver. But there's now reason to believe coffee may actually be good for liver health. More research is needed on this topic. Meanwhile, some varieties of tea contain caffeine but are also have high antioxidant content, which boosts the immune system - a good thing for your liver. Green tea is generally considered to be one of the best in the tea category triple liver health.