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About product and suppliers:
        Alibaba.com offers 6,453 sleeping powder products. About 8% of these are herbal extract, 2% are auxiliaries and other medicinal chemicals, and 1% are fruit extract. 

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

There are 6,453 sleeping powder suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of sleeping powder respectively. 

Sleeping powder products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,448 with Other, 1,407 with ISO9001, and 443 with GMP certification.