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About product and suppliers:
        Alibaba.com offers 1,962 buy theanine products. About 23% of these are tea extract, 17% are herbal extract, and 2% are other food & beverage. 

A wide variety of buy theanine options are available to you, such as tea extract, herbal extract, and nutrition enhancers. You can also choose from drum, bottle. As well as from free samples, paid samples. 

There are 1,954 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 541 with ISO9001, 340 with Other, and 157 with ISO22000 certification.