Does Matcha Give You Energy?
Caffeine may affect alertness, without guaranteeing the same feeling for everyone. Your matcha portion and ongoing fatigue are separate questions.
By Roseline Zhou, Founder
Contents
You're thinking about matcha to get through a spell of fatigue. Its caffeine can increase alertness, but a bowl won't address the cause of fatigue that lasts. The amount of powder and your sensitivity matter more than a promise of the same “energy” for everyone.
We'd weigh the matcha if we wanted to make the same cup from one day to the next. When you drink it mainly for the flavor, that step doesn't need to become a rule. Before discussing effects, the caffeine in your matcha depends on the portion of powder you use.
Why might matcha feel energizing?

The powder is dispersed in water and drunk with it. The caffeine in your cup therefore depends in part on how much tea you add. According to the European Food Safety Authority, caffeine at moderate doses increases alertness and reduces drowsiness. That action of caffeine doesn't guarantee the same experience for everyone or an effect unique to matcha.
The vegetal flavor and the act of whisking are part of the experience, too. They don't measure an improvement in concentration. We'd separate the pleasure of preparing a cup from the stimulant's action: if it's the ritual you enjoy most, feeling more awake isn't the only reason to choose a tea.
How much caffeine does your bowl contain?
In retail powders, a Bavarian analysis found 13 to 68 mg of caffeine for preparations using about 1/2 to 1 tsp (1 to 2 g) matcha powder. The samples included pure matcha and green tea blends. This range measures no Kura-ge lot and doesn't predict your cup precisely.
More water changes the flavor's intensity, not the weight of powder already in the bowl. To compare two preparations, we'd keep track of that weight and then adjust the water. A comparison with coffee also calls for looking at the portions. If you change the powder, amount, and vessel at once, your own point of reference becomes harder to read.
Do caffeine and L-theanine guarantee concentration?
No. In matcha, L-theanine and caffeine coexist without promising better concentration or steady energy. The research results concern defined amounts, durations, and people.
We wouldn't choose tea based on a promised mental effect. You can't read its caffeine content from its flavor. If alertness is your criterion, a weighed amount and how you feel give you a personal reference point, not a medical measurement.
Can matcha address persistent fatigue?
Caffeine can reduce drowsiness for a time. It doesn't treat a lack of rest or another cause of fatigue. We advise against drinking bowl after bowl in the hope of staying awake longer: caffeine from those cups adds up during the day. If fatigue persists without an explanation, speak with a healthcare professional.
What you seek during the day may disturb your night. When you drink your cup and your sensitivity to caffeine matter, even if the flavor makes a late bowl tempting.