Shop by Health Concern Stress Support L-Theanine
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L-Theanine AlphaWave
Doctor's Best® rides the wave to relaxation with AlphaWave L-Theanine. Their highly purified, patented form of L-theanine is known for promoting calm with a state of relaxed wakefulness. Beyond addressing stress, it assumes a pivotal role in various cognitive processes, shaping alpha brain waves...- $5.28
$17.59- $5.28
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Serene Science L-Theanine
 L-Theanine is a an amino acid that supports in the easing of normal everyday stress, including occasional anxiety and tension. It has been shown that L-theanine affects the emission of alpha waves in the brain that are associated with states of relaxation and focused...- $14.49
$48.29- $14.49
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Serene Science L-Theanine
L-Theanine from Source Naturals is a dietary supplement featuring this unique amino acid found almost exclusively in the tea plant (Camellia sinensis) and is the primary ingredient contributing to the unusual taste of green tea. Research has shown that L-theanine crosses the blood brain...- $7.56
$25.19- $7.56
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