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 ...

Sleep-deprived adults performed better on cognitive tests after taking certain amino acid supplements. Multiple 2025 studies ...

Daniel Combs, MD, is an Assistant Professor of Pediatrics and Medicine at the University of Arizona. Melatonin may improve sleep quality better than L-theanine, and there is stronger research 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 ...

Chocolates, bars, gummies and drinks promise to help you sleep, but is the science behind them sound?

The late Dr Michael Mosley's Just One Thing Volume 2 is set to be released almost two years after his tragic death while on ...

Caffeine is one of the most widely used substances in the world. It increases energy and alertness while also delaying ...

The best natural sleep supplements, approved by nutritionists and tested by the Good Housekeeping Institute. Shop our winners ...

Magnesium is one of many common supplements used to help with sleep. You can also improve sleep by taking magnesium with ...

To see results from taking a magnesium supplement, you have to raise your overall magnesium levels in your body, and that ...

New energy drink brands are dropping left and right. Dietitians explain the ingredients and whether you should really consume ...

Amid growing US demand for ‘better-for-you’ energy drinks, Odyssey Functional Energy’s Scott Frohman explains why his brand ...