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About product and suppliers:
        Alibaba.com offers 889 l-arginine hcl products. About 48% of these are vitamins, amino acids and coenzymes, 41% are animal pharmaceuticals, and 6% are antibiotic and antimicrobial agents. 

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

There are 880 l-arginine hcl suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and India, which supply 99%, 1%, and 1% of l-arginine hcl respectively. 

L-arginine hcl products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 272 with ISO9001, 59 with Other, and 26 with GMP certification.