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About product and suppliers:
        Alibaba.com offers 628 theanine 100 products. About 23% of these are herbal extract, 21% are tea extract, and 2% are food additives. 

A wide variety of theanine 100 options are available to you, such as free samples. 

There are 550 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 175 with ISO9001, 101 with Other, and 63 with GMP certification.