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About product and suppliers:
        Alibaba.com offers 1,798 l-valine products. About 47% of these are vitamins, amino acids and coenzymes, 40% are animal pharmaceuticals, and 1% are central nervous system agents. 

A wide variety of l-valine options are available to you, such as food grade, medicine grade, and cosmetic grade. You can also choose from free samples, paid samples. 

There are 1,780 l-valine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Germany, which supply 99%, 1%, and 1% of l-valine respectively. 

L-valine products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 465 with ISO9001, 141 with Other, and 69 with HACCP certification.