Further investigations have shown increased reaction time and word recall time, and revealed that L-theanine alone does not produce these beneficial effects it must be combined with caffeine. A 2008 study showed that some aspects of memory and attention are improved more in participants who took caffeine and L-theanine than who just had caffeine. As always, we’re here to unpack the research and see what this dynamic duo could be doing for you.Ī 2013 study that compared participants given L-theanine and caffeine compared to those given a placebo (a fake version of the drug) showed increase accuracy in some mental tasks. The caffeine and L-theanine in tea are acting on your body as a team (who knew?). However, research shows there’s more going on. A cup of tea is great-the soothing warmth helps us unwind while the kick of caffeine keeps us alert. What’s most interesting about these two molecules is the effect they have together.
This is very similar to the effect produced by L-theanine in the body. If you’ve ever tried meditating (and been marginally successful), you’ll know it’s associated with a deep sense of relaxation but also high mental alertness. These effects include better sleep, better immune function, increased focus, and decreased stress. Over the last 10 to 20 years, scientists have become more and more aware of the effects of L-theanine in the body, and it turns out that some of them are really useful. You may also have seen it in tablet form on drugstore shelves. L-theanine is an amino acid (a specific type of biological molecule) that is found in tea. If you’re a coffee or tea drinker, you’ll know that buzz you get afterwards-that's from the caffeine. Caffeine acts by stimulating your central nervous system (that’s your brain) making you feel more alert and awake.
It’s a molecule naturally found in tea and coffee, and also now found in manufactured items, such as sodas. We’re going to tell you all about it, but be warned: reading on will inspire you to try it for yourself! It’s called L-theanine, and the powerful pairing of L-theanine and caffeine has far more potential than you might think. Not only does tea contain caffeine, it also contains a molecule that coffee doesn’t.
Both tea and coffee contain caffeine, but there’s a difference in the way each makes you feel that comes down to more than that. Whether you’re on team tea or coffee, starting the day without a brew may be almost unthinkable. Many of us reach straight for the kettle in the morning.
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