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About product and suppliers:
        Alibaba.com offers 179 organic l theanine products. About 34% of these are tea extract, 22% 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, aloe vera extract, and black tea extract. As well as from free samples. 

There are 179 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 73 with ISO9001, 50 with Other, and 25 with GMP certification.