In a study recently published in Nutrients, researchers found a link between prior conditions and the effectiveness of sleep supplements. The four supplements tested, l-theanine, GABA, AVLE and l-serine resulted in better sleep overall, and improved certain...
The supplementation of milk protein and L-theanine is able to reduce the amount of time required to fall asleep, a clinical trial conducted in Malaysia has shown.
Ingredient supplier Ethical Naturals said a second study on its AlphaWave shows the ingredient eased stress among participants who were completing a mental arithmetic test. Several measures, including a brain wave scan, supported the conclusion.