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About product and suppliers:
        Alibaba.com offers 1,196 l-ascorbic acid 99% products. About 25% of these are food additives, 19% are antioxidants, and 5% are acidity regulators. 

A wide variety of l-ascorbic acid 99% options are available to you, such as acidity regulators, nutrition enhancers, and antioxidants. You can also choose from free samples, paid samples. 

There are 1,201 l-ascorbic acid 99% suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United Arab Emirates, which supply 99%, 1%, and 1% of l-ascorbic acid 99% respectively. 

L-ascorbic acid 99% products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 288 with ISO9001, 137 with Other, and 63 with HACCP certification.