L-Ascorbic Acid Explained: What is the purest form of vitamin C?
                                
                                
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                                    4 min read                                
                            
                                Statistics show that more than 35% of U.S. adults use vitamin C supplements, leading many to ask what is the purest form of vitamin C. The most direct and potent version is L-Ascorbic Acid. However, because it is unstable, numerous alternatives with varying benefits have been developed.