Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? In a new interview with Elle magazine, Taylor Swift admitted to taking the ...

L-theanine is best used about one to two hours before bedtime for better sleep, or any time of day when you want to improve ...

Medically reviewed by Kristie Reed, PharmD Key Takeaways L-theanine promotes calm alertness that may enhance focus without ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. However, as with most wellness trends, the benefits of taking L-theanine aren't quite that straightforward. While it's true that L ...

Add Yahoo as a preferred source to see more of our stories on Google. As she nears her 30th birthday, Taylor Swift opened up to Elle magazine about everything she's learned in the last 29 years-and ...

L-theanine is an amino acid that occurs naturally in tea leaves and is used in Asian medicine to treat many medical and mental health problems. In a previous blog post, I briefly reviewed the evidence ...

The late Dr Michael Mosley's Just One Thing Volume 2 is set to be released almost two years after he went missing on the ...