Matcha tea is a very popular drink these days, particularly as another source of caffeine. Here's how much caffeine is ...

Japan is beginning to see a shortage in matcha, the trendy green tea that has been promoted for its health benefits by social ...

Green tea may boost heart and brain health, regulate blood sugar, and more. Learn more about green tea's health benefits, ...

Finding the best weight loss supplements for women (or anyone, really) can be like finding a needle in a haystack — except ...

Discover delicious options to plain water that provide extra nutrients, from antioxidant-rich green tea to electrolyte-packed ...

Are fat-burning foods a thing? There’s no magic food that melts fat or instantly speeds up your metabolism — but we have good ...

Beyond its energizing effects, caffeine can also influence cognitive performance, memory, mood regulation and even long-term ...

Millions drink coffee daily, but it may have health effects. Learn how to make your coffee healthier by avoiding these common ...

Some of the most common ones include chlorogenic acids (CGAs), trigonelline, tryptophan alkaloids, and diterpenes, which are ...

L-theanine for relaxation and concentration Green tea contains L-theanine, an amino acid that has a calming effect and can increase concentration at the same time. In combination with caffeine ...

1. L-theanine for relaxation and concentration Green tea contains L-theanine, an amino acid that has a calming effect and can increase concentration at the same time. In combination with caffeine, ...

In contrast, tea has a lower caffeine content, about 71 milligrams in a 12-ounce cup of black tea, 37 milligrams in 12 ounces of green tea and usually no caffeine in herbal teas. Caffeine also ...