Which Foods Contain L-Theanine? – Information You Need To Know

L-theanine is a substance that offers many benefits to everyone. Whether you have anxiety issues, weak memory, lack of focus, problem concentrating, or sleep disorder, it is the best supplement to add to your routine to get rid of all your problems. L-theanine is usually taken in the form of supplements by the people who are dealing with these issues. There are some foods that are also a source of it. So, which foods contain L-theanine?

It also has effects on your appetite that will surely make you consume fewer calories, which contribute to weight loss. Although it is not a weight loss supplement, it also promotes weight loss, but not that much to make you shed kilos. It is found in tea comes from the Camellia Sinensis plant; black tea, green tea, and white tea. In this article, you will get to know which foods contain L-theanine, so that you can get the benefits without spending money on the supplements.

What Are The Impacts Of L-Theanine On Your Body?

Before proceeding towards which foods contain L-theanine, it is important to know how it works and its impact on the human body.  L-theanine is known to make many positive changes in your mind to make you feel better. So what are those changes? And what benefits do you get with the small changes?

L-theanine is definitely a superb supplement that offers great benefits. It is an amino acid found in tea leaves. Furthermore, it is also noted that L-theanine reduces the risk of obesity.

The function of L-theanine is to increase the serotonin levels, GABA, dopamine, and other brain chemicals to offer calmness. These are the neurotransmitters that have the ability to regulate cognitive skills, emotions, alertness, mood, concentration, appetite, energy, and sleep.

Apart from boosting the chemicals, L-theanine is also responsible to minimize the level of excitatory chemicals in your brain, and meanwhile boost the chemicals that make you feel calm. There are some chemicals in the brain that create stress and anxiety. L-theanine is a great help solving this problem as it reduces the levels of that chemical which is creating stress and anxiety.

It prevents the age-related problems and also protects your brain cells. Due to the L-theanine intake, you can have a stress free life with better concentration, energy, and alertness. If you have a sleep disorder, then this supplement proves to be beneficial for the purpose.

Other than that, L-theanine also works by increasing the alpha brain waves. It is basically a state, better known as relaxation when you are awake. There are some people who don’t feel relaxed throughout the day when they are fully awake and need to perform their daily tasks.  With the increase of alpha waves, you become more creative, get better focus than ever, and feel relaxed no matter how tough your schedule is.

The other important aspect of L-theanine is its work without sedating, which means anyone, who has taken the supplement, never feels sleepy or tired throughout the day.

As you know how it works, it is the time to know which foods contain L-Theanine. Take a look at the sources of L-theanine

Sources Of L-Theanine

Green Tea And Black Tea

As we have discussed above, teas found in the Camellia Sinensis plant are the main source of L-theanine. You can make a habit to drink tea daily to get the benefits be it green tea, black tea, or white. Moreover, a cup of green tea contains 22 mg of L-theanine, but it depends on how you brew it as well as the quality of your tea. And, same goes for the black tea, it also contains 22 mg of L-theanine.

Foods To Increases GABA

There are not so many foods that contain L-theanine, so take a look at the list of foods that increase GABA

  • Walnuts
  • Spinach
  • Broccoli
  • Bananas
  • Almonds
  • Lentils
  • Brown rice
  • Beef livers
  • Rice bran
  • Oranges
  • Tree nuts
  • Halibut
  • Whole grains
  • Oats
  • Wheat bran
  • Whole wheat

Foods To Increase Dopamine

  • Wheat germs
  • Rosemary
  • Oats
  • Chocolate
  • Bananas
  • Olive oil
  • Coffee
  • Apples
  • Almonds
  • Oregano
  • Lime beans
  • Soy products
  • All animal products


We have discussed which foods contain L-theanine and how L-theanine works. Hope it helps