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Alibaba.com offers 2,300 l-ascorbic acid powder products. About 31% of these are vitamins, amino acids and coenzymes, 29% are antioxidants, and 18% are animal pharmaceuticals. A wide variety of l-ascorbic acid powder options are available to you, such as free samples, paid samples. There are 2,292 l-ascorbic acid powder suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Spain, and Malaysia, which supply 98%, 1%, and 1% of l-ascorbic acid powder respectively. L-ascorbic acid powder products are most popular in South America, North America, and Eastern Europe. You can ensure product safety by selecting from certified suppliers, including 654 with ISO9001, 341 with HACCP, and 203 with Other certification.