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About product and suppliers:
        Alibaba.com offers 1,926 buy theanine products. About 23% of these are tea extract, 20% are herbal extract, and 3% are food additives. 

A wide variety of buy theanine options are available to you, such as drum, bottle. You can also choose from free samples, paid samples. 

There are 1,913 buy theanine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and Japan, which supply 96%, 1%, and 1% of buy theanine respectively. 

Buy theanine products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 505 with ISO9001, 337 with Other, and 140 with ISO22000 certification.