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About product and suppliers:
        Alibaba.com offers 655 l theanine pharmaceutical grade products. About 29% of these are animal pharmaceuticals, 17% are vitamins, amino acids and coenzymes, and 11% are blood system agents. 

A wide variety of l theanine pharmaceutical grade options are available to you, such as auxiliaries and other medicinal chemicals, antidote, and vitamins, amino acids and coenzymes. You can also choose from medicine grade, cosmetic grade, and feed grade. As well as from free samples. 

There are 655 l theanine pharmaceutical grade suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 99%, 1%, and 1% of l theanine pharmaceutical grade respectively. 

L theanine pharmaceutical grade products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 143 with ISO9001, 103 with Other, and 51 with ISO22000 certification.
        
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