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About product and suppliers:
        Alibaba.com offers 2,564 vitamin b2 products. About 44% of these are vitamins, amino acids and coenzymes, 5% are food additives, and 2% are anti-allergic agents. 

A wide variety of vitamin b2 options are available to you, such as cosmetic grade, food grade, and feed grade. You can also choose from free samples, paid samples. 

There are 2,618 vitamin b2 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Japan, which supply 93%, 1%, and 1% of vitamin b2 respectively. 

Vitamin b2 products are most popular in North America, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 564 with ISO9001, 380 with GMP, and 319 with ISO22000 certification.