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About product and suppliers:
        Alibaba.com offers 1,920 buy theanine products. About 23% of these are tea extract, 18% are herbal extract. 

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

There are 1,910 buy theanine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and United States, which supply 95%, 3%, and 1% of buy theanine respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 526 with ISO9001, 335 with Other, and 156 with GMP certification.