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About product and suppliers:
        Alibaba.com offers 1,971 grape seed extract opc products. About 29% of these are grape seed extract, 27% are herbal extract, and 10% are fruit extract. 

A wide variety of grape seed extract opc options are available to you, such as herbal extract, grape seed extract, and fruit extract. You can also choose from seed, bark. As well as from free samples, paid samples. 

There are 1,955 grape seed extract opc suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 98%, 1%, and 1% of grape seed extract opc respectively. 

Grape seed extract opc products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 457 with ISO9001, 398 with Other, and 159 with GMP certification.