Tea and Revision - How L-Theanine Helps You Focus

Exam season is stressful, and the advice to take regular breaks and drink tea during revision turns out to have some science behind it, not just common sense.

Tea contains L-theanine, an amino acid that has a genuinely calming effect without causing drowsiness. It works alongside the caffeine in tea to soften the jittery edge that coffee can sometimes produce, leaving you alert but not anxious. Studies have found that L-theanine stimulates alpha brain waves, which are associated with a relaxed but focused mental state.

In practical terms, this means that a cup of tea during a revision break does two things: it gets you up from your desk and away from the screen for a few minutes, and it gives you something that actively helps with concentration when you sit back down.

A few teas worth trying during exam season:

Sencha Green: A good mid-morning option. Higher in L-theanine than most teas and naturally light and refreshing.

Darjeeling: Slightly lower caffeine than a breakfast tea, which means you can drink it later in the afternoon without disrupting sleep.

Browse our full range on the website. A good selection kit makes a thoughtful gift for students too.

Keep brewing, The Bellevue Team