L theanine News and Research

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Some caffeinated drinks are linked to poorer memory

A study on caffeine's impact reveals product-specific effects on anxiety, memory, and stress among university students, highlighting mental health implications.

28 Jul 2026

Natural obesity fighters: How coffee, tea, and cocoa combat weight gain

A review in Current Research in Food Science explores how bioactive compounds in coffee, tea, and cocoa combat obesity by inhibiting white adipogenesis and promoting brown adipogenesis and lipolysis.

22 Apr 2024

New sleep-enhancing nutraceutical blend falls short in clinical trial

Study investigates the impact of a unique nutraceutical blend, combining L-theanine with valerian, saffron, and lemon balm extracts, on improving sleep quality, finding no significant difference compared to a placebo in individuals experiencing poor sleep.

10 Apr 2024

The green tea effect: From gut microbes to weight loss, new insights emerge

The impact of green tea and its functional components on body weight and gut microbiota regulation.

8 Aug 2023

Could drinking tea help manage COVID-19?

Researchers summarized the content of active ingredients in different types of tea, the second most consumed beverage in the world. They also explored the possibility of using tea extracts for coronavirus disease 2019 (COVID-19) prevention and treatment.

17 Jan 2023

Mount Sinai launches new mobile precision wellness iPhone app

Have you ever wondered whether your double latte really helps you function better in that early-morning meeting? Or if melatonin truly gives you better sleep at night? Now there's a way to find out, thanks to a new mobile precision wellness iPhone app developed at the Icahn School of Medicine at Mount Sinai.

4 Nov 2019

Tea improves brain circuits, structure and memory

A recent study showed that people who drink tea regularly have brains which function better and also show a greater degree of organization. This could strengthen the case for drinking tea to help prevent dementia. The study is important because, unlike most others which look only at tests of mental ability, it also examined structural brain changes with tea drinking.

16 Sep 2019

Bioactive compounds in mushrooms may fight neurodegeneration in later life

New research suggests that mild cognitive impairment could be prevented in people over the age of 60 by simply eating mushrooms more than twice a week.

15 Mar 2019

Mushroom consumption may reduce odds of having mild cognitive impairment

A team from the Department of Psychological Medicine and Department of Biochemistry at the Yong Loo Lin School of Medicine at the National University of Singapore has found that seniors who consume more than two standard portions of mushrooms weekly may have 50 per cent reduced odds of having mild cognitive impairment.

12 Mar 2019

Regular consumption of tea lowers risk of cognitive impairment in older adults, NUS study finds

A cup of tea a day can keep dementia away, and this is especially so for those who are genetically predisposed to the debilitating disease, according to a recent study led by Assistant Professor Feng Lei from the Department of Psychological Medicine at National University of Singapore's Yong Loo Lin School of Medicine.

16 Mar 2017

Breakthrough Award supports research on role of chronic stress in breast cancer development

Rutgers Cancer Institute of New Jersey resident research member Wenwei Hu, PhD, has received a $596,250 Breakthrough Award from the U.S. Department of Defense through its Breast Cancer Research Program to study the role of chronic stress in breast cancer development.

25 Oct 2016

Northumbria University psychologist to introduce diners to the science behind food and drink

Diners will discover how the food on their plate can impact their brain function at a special dining experience during the British Science Festival in Newcastle.

6 Sep 2013

A natural approach to combat stress

For anyone who knows the racing, "misfiring" brain associated with today's multitasking lifestyles, finding a safe, effective remedy to achieve calm can be a challenge. Women-run Rainbow Light® Nutritional Systems, a leader in natural nutrition for nearly 30 years, has developed a breakthrough remedy to calm the "busy brain" that can impair mental clarity and cause restless sleep.

29 Jun 2010

Research suggests a connection between drinking tea regularly and a variety of potential health benefits

Today, iced tea continues to be one of the country's most beloved beverages, especially among those looking for a refreshing antioxidant boost. Drinking a tall glass of iced tea may offer more than just a thirst quencher.

25 May 2004