Drinking green tea with L-theanine can cause calm alertness because the caffeine in the tea wakes you up, while L-theanine promotes relaxation.

Lately, those of us who want help losing weight have more options than ever before. So what exactly is the best weight loss ...

Certain herbal teas can lower blood sugar levels after eating. Teas to lower blood sugar include green tea, black tea, and hibiscus tea.

Lauren Manaker is an award-winning registered dietitian, book author, speaker, and entrepreneur. She has been practicing dietetics since 2004, and has worked in a wide variety of settings. She earned ...