Zen Theanine™ provides a source of the amino acid L-theanine. Green tea is a natural source of this amino acid, taking it as a supplement is ideal for those who want the benefits of theanine but wish to avoid or reduce their caffeine intake. Used to aid relaxation without a feeling of sedation. Note: This product is not intended to diagnose, treat, cure, or prevent any disease, nor should supplements be used as a substitute for a balanced diet. Not intended for pregnant/breastfeeding mothers or children under 18. Do not exceed the recommended dose.