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About product and suppliers:
        Alibaba.com offers 211 organic l theanine products. About 31% of these are tea extract, 24% are herbal extract, and 1% are grape seed extract. 

A wide variety of organic l theanine options are available to you, such as leaf, seed. You can also choose from green tea extract, black tea extract. As well as from free samples. 

There are 211 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 Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 73 with ISO9001, 51 with Other, and 29 with GMP certification.