Experience calm, relaxation, and mental clarity with Doctor's Best L-Theanine with Suntheanine, a premium-quality formula containing 150 mg of pure L-Theanine from the patented Suntheanine® brand. This scientifically researched amino acid promotes a relaxed but alert state, reduces stress, and supports improved focus without causing drowsiness.
L-Theanine naturally increases calming brain waves (alpha waves), supporting clearer thinking, positive mood, and better stress management. Perfect for people dealing with daily stress, mental fatigue, or those needing sharper concentration—whether for work, study, or relaxation. Each capsule is laboratory tested to ensure purity and potency.
Vegan, Non-GMO, Soy-Free, Gluten-Free
Amino-acid sourced, laboratory-tested for purity
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