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About product and suppliers:
        Alibaba.com offers 217 organic l theanine products. About 29% of these are tea extract, 23% are herbal extract, and 1% are grape seed extract. 

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

There are 217 organic l theanine suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of organic l theanine respectively. 

Organic l theanine products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 74 with ISO9001, 56 with Other, and 29 with GMP certification.