L-theanine may have benefits for depression, sleep, and stress. It has antioxidant and anti-inflammatory properties, as well as regulatory effects on anxiety and the immune system. L-theanine is a ...

Medically reviewed by Melissa Nieves, LND L-theanine benefits may include helping you relax, de-stress, and sleep better.

Recent research has explored how L-theanine can mitigate the effects of oxidative stress and inflammation, which are critical factors in various health conditions, including those exacerbated by ...

L-theanine is an amino acid typically found in tea leaves and specific types of mushrooms. It is quite popular due to its relaxing effects on the mind and body, making it an attractive supplement ...

Some L-Theanine supplements may also contain other ingredients, such as caffeine or herbs, that can enhance their effects. Be sure to research any additional ingredients and their potential ...

This ancient beverage does more than hydrate—it’s packed with antioxidants and compounds that boost your health, focus, and longevity.

To single out possible effects of L-theanine on the cognitive function of older Japanese adults, the 69 participants in the first study consumed capsules of either L-theanine or a placebo ...

There’s evidence the effects of caffeine in a cup of tea are enhanced by an amino acid it contains, called L-theanine, if it is drunk regularly. The research finds “L-theanine may interact ...

Foods rich in L-theanine can swiftly reduce cortisol levels in the body. It also helps in improving sleep, and acts as an anti-inflammatory food and can help us feel more relaxed. Green tea ...