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About product and suppliers:
        Alibaba.com offers 567 theanine 100 products. About 25% of these are tea extract, 23% are herbal extract. 

A wide variety of theanine 100 options are available to you, such as tea extract, herbal extract. You can also choose from leaf, shell, and seed. As well as from drum, bottle. And whether theanine 100 is free samples. 

There are 569 theanine 100 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and United States, which supply 97%, 1%, and 1% of theanine 100 respectively. 

Theanine 100 products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 180 with ISO9001, 110 with Other, and 64 with GMP certification.