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Product Details
L-Theanine is a naturally occurring, unique amino acid found in green tea leaves. Keystone’s L-Theanine is Suntheanine®, the most respected source and the one which has been used in scientific studies.
L-Theanine may promote a sense of relaxation without causing drowsiness.* It has also been found to promote healthy cellular function and reduce feelings of stress and anxiety.* Relaxation support is enhanced by the synergistic effects of the added chamomile extract.*
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Returns & Exchanges
We understand that sometimes you may have concerns about a supplement you have purchased from us. While we strive to provide high-quality products and excellent customer service, we also want to ensure clarity about our return policy.Please note that all supplement sales are final. This means that once you have purchased a supplement from us, we cannot accept returns or provide refunds, unless there was a mistake on our part with the order fulfillment. However, we are more than happy to talk to you about any concerns you may have regarding your purchase.
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