L-Theanine Supreme from Health First is a natural supplement formulated to promote relaxation and reduce the effects of stress. These chocolate-flavoured chewable tablets, backed by several clinical studies, contribute to your daily well-being.
Suntheanine® is backed by over 60 human clinical studies demonstrating its ability to temporarily promote relaxation, while improving concentration, alertness, attention and even sleep. Clinical research suggests that 50 to 200 mg of Suntheanine® stimulates alpha brain waves, which are associated with a relaxed yet alert mental state.