Hello, welcome to Business Daily on the BBC Wild Service.

Today, we're talking about...

Macha cookies, matcha roll cakes, matcha latte, machete, macheteas, machete.

Macha. Once solely associated with Japan,

matcha tea is now all over our high street menus and supermarket shelves.

It's inspired nail colours.

There are matcha Kit Katz, there's matcha skin care.

Gained the approval of nutritionists.

Macha is also packed with antioxidants.

And one over Hollywood in the process.

Jewelipa, Zendaya, you've got your Kyagirbas, your Gwynette Paltros.

It's also a sign of East Asian products booming overseas.

It used to be that Asian culture was sometimes stigmatized as being weird or marginal,

but now it's kind of like the hotspot for cool.

So much so, Matches value is predicted to rise to $2.9 billion by 2029.

We work with fine dining partners across the world.

We are in the midst of building a partnership with one of the top restaurants in Asia.

But how healthy is the matcher we drink outside of Japan?

I would say it really depends what you're adding to it.

And how do we know what we're buying is authentic?

The problem is a lot of brands are just basically saying,

oh, we can run ads on Facebook.

...