Promote calm and focus with Suntheanine L-Theanine, a clinically researched amino acid that supports relaxation without drowsiness. Swanson Ultra’s patented SunTheanine formula helps you manage daily stress naturally, keeping your mind clear and your mood balanced.
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Clinically researched amino acid
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Supports relaxation without drowsiness
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Patented SunTheanine formula
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Promotes calm and focus
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Easy daily supplement
Best for: Adults seeking natural stress relief