Assertion: drink's effect | /r/AtLocation | kava or valerian roots
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Source sentences:
text: In 2007, a couple group of kitesurfers from Kāneʻohe Bay and Lanikai beach of O'ahu Hawai'i developed a drink which they dubbed the relaxation drink with their own formula containing gamma-aminobutyric acid (GABA), L-Theanine and L-Threonine providing similar calming effects found in kava or valerian roots (rhizo) which later became known as lanilai.