... ISO14001, ISO22000, 3.Complying with FCC & Chinese Pharmacopeia L-Theanine L-Theanine can be used in: 1. Food and Beverage ... Negative Shelf life 24 months from date of productionStorage Keep container unopened in cool, dry placeCertificate:√ KOSHER certified√ HALAL ... & D, production, sales and technical services of L-Theanine, L-Pyroglutamic acid, L-Glutamic acid etc. Our plant is designed, built ...