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About product and suppliers:
        Alibaba.com offers 4,436 human growth products. About 54% of these are animal pharmaceuticals, 49% are auxiliaries and other medicinal chemicals, and 45% are vitamins, amino acids and coenzymes. 

A wide variety of human growth options are available to you, such as free samples, paid samples. 

There are 4,596 human growth suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and Vietnam, which supply 94%, 1%, and 1% of human growth respectively. 

Human growth products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 617 with ISO9001, 251 with FSC, and 184 with Other certification.