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About product and suppliers:
        Alibaba.com offers 134 phosphatidylserine ps 60% products. such as free samples. 

There are 57 phosphatidylserine ps 60% suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of phosphatidylserine ps 60% respectively. 

Phosphatidylserine ps 60% products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 15 with ISO9001, 14 with Other, and 3 with HACCP certification.