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About product and suppliers:
        Alibaba.com offers 189,932 amino acid products. About 61% of these are vitamins, amino acids and coenzymes, 9% are feed grade amino acids, and 6% are immune function agents. 

A wide variety of amino acid options are available to you, such as humic acid, vitamins, amino acids and coenzymes, and compost. You can also choose from organic fertilizer, compound fertilizer, and phosphate fertilizer. As well as from powder, granular, and liquid. And whether amino acid is quick, controlled, or slow. 

There are 187,017 amino acid suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United States, which supply 97%, 1%, and 1% of amino acid respectively. 

Amino acid products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 38,872 with ISO9001, 17,937 with Other, and 5,713 with GMP certification.