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About product and suppliers:
        Alibaba.com offers 1,832 buy theanine products. About 23% of these are tea extract, 20% are herbal extract, and 1% are immune & anti-fatigue. 

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

There are 1,819 buy theanine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and Japan, which supply 97%, 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 487 with ISO9001, 310 with Other, and 139 with GMP certification.