Caffeine enhanced teas

packed with cognitive boosting amino acids & enhanced with natural caffeine

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Not Your Average Tea

Zest’s premium tea blends have comparable caffeine levels to coffee, for an energizing kick, and amino acids shown to reduce the jitters and crash while boosting cognitive functions. The result is a steady and prolonged alertness.

The Zest Story

Premium Zest Blends


Zest Tea Ultimate Sampler

Try all four energizing blends for only $45

Get The Zest Sampler

Focused Energy

The combination of the caffeine and L-Theanine (a rare amino acid) in Zest Tea has a synergistic effect that prolongs the energy levels and creates a more steady alertness. A side effect of the energy moderation is a reduction in the "jitters" and "crash" that typically accompanies caffeinated beverages.  

L-Theanine and Caffeine No Jitters No Crash

'We Tried It' - Philly.com

"We felt 'in the zone' almost more clearheaded than we would normally be with coffee... It definitely hits you harder, but I didn't get jittery or anything"

Zest Tea Caffeine Levels

Zest Black Tea
Zest Black Tea Caffeine
155 mg/cup

We enhance Zest Teas with a natural tea extract, so our blends have comparable caffeine levels to coffee or about 3x the caffeine levels of traditional teas.

Our proprietary blending methods allow us to enhance the teas without adversely effecting the flavor of our premium base teas. Our blends are applauded as much for their premium flavors as they are for the enhanced energy levels!

Zest Green Tea
Zest Green Tea Caffeine
135 mg/cup
Coffee
Coffee Caffeine Level
125 mg/cup
Traditional Black Tea
Black Tea Caffeine Level
50 mg/cup
Traditional Green Tea
Green Tea Caffeine Level
25 mg/cup
Billy Schrero Zest Testimonial

"Tastes great and good energy. Have literally stopped drinking coffee since getting my first batch of zest tea!!"

Billy Schrero

Daniel Rodic Zest Tea Testimonial

"Perks me up 10x better than coffee, amazing!" 

Daniel Rodic

Nick Loadholtes Zest Tea Testimonial

"I know the selling point of Zest Teas are the caffeine, but honestly the flavor is what keeps me coming back. I have never had such a flavorful tea that was not overpowering. This stuff is awesome."

Nick Loadholtes

Daniel Becker Zest Tea Testimonial

"I love coffee but from having my first cup of Zest Tea all I can say is WOW."

Daniel Becker

Four (4) Pack Sampler

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Refills come in standup pouches

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Zest Blog

Tea's Western Expansion: Mongolia and Vietnam

November 13, 2014

Mongolian Yurt

What do you like to add to your tea? Milk and sugar? Maybe some honey if you have a sore throat? What about barley...

Neighboring Practices: The Unique Tea Rituals Established in Japan and Russia

November 06, 2014

Japanese Tea Drinking

Rituals: known to be a series of practiced and repeated actions and behaviors, have been proven to have...

Tea Rituals For Productivity: It all started in China

October 30, 2014

China and tea

To many across the globe, a cup of tea is more than just... a cup of tea. Tea is a tool for enhancing productivity...

Confessions of an Avid Coffee Drinker: Why I Started

October 15, 2014

“Don’t conform. Don’t be like the rest of them.” That’s what my parents would say to me every time...