L-theanine may promote relaxation, focus and attention, and help relieve stress. Food sources of L-theanine include matcha, some mushrooms and green, black and white teas. L-theanine should not be ...

THE INTERNET IS all about wellness these days. With so many stressors weighing us down in times like these, we'll try just about anything to find a sense of calm in a hectic world. "Have a demanding ...

If you often struggle with stress or restless nights, a warm cup of tea is likely your go-to for calming down. Tea’s comforting reputation isn’t just tradition, studies suggest it can support heart ...

I often encourage my patients to drink tea. Black tea is a lower-caffeine alternative to coffee during the day, and decaffeinated tea can be a calming part of a nighttime power-down ritual before bed.

I often encourage my patients to drink tea. Black tea is a lower-caffeine alternative to coffee during the day, and decaffeinated tea can be a calming part of a nighttime power-down ritual before bed.

Which L-theanine is best? If you are looking for a natural way to relieve stress and increase focus, consider an L-theanine supplement. According to PubMed, this amino acid is naturally found in tea ...

Two 2025 studies just made the strongest case yet for L-theanine as a natural sleep aid. AFP via Getty Images A lot of people are quietly rethinking their relationship with melatonin right now. A ...

Naturally found in tea leaves and some species of fungi, L-theanine is an amino acid revered for its ability to promote a state of ‘calm alertness’. In ancient Japan, samurai warriors consumed matcha ...

THE INTERNET IS all about wellness these days. With so many stressors weighing us down in times like these, we'll try just about anything to find a sense of calm in a hectic world. KATE INGRAM, M.P.H.