Dehydroascorbic Acid Buy (2025)

: For high-grade chemical needs (96% purity or higher), specialized distributors like Thermo Fisher Scientific and Sigma-Aldrich offer DHA in milligram quantities. These products are typically designated for research use only.

: DHA is significantly less stable than L-ascorbic acid. It is often shipped as a lyophilized (freeze-dried) powder and must be stored at temperatures as low as -20°C to prevent further decomposition into 2,3-diketogulonic acid. dehydroascorbic acid buy

: In the context of topical serums, the presence of DHA (indicated by a change to orange or brown color) usually signifies that the product has oxidized and lost its antioxidant efficacy. In these cases, it may even act as a pro-oxidant, potentially irritating the skin. : For high-grade chemical needs (96% purity or

: Companies like GoldBio and Cayman Chemical provide molecular biology grade DHA, often used in studies involving glucose transport and cellular oxidative potential. It is often shipped as a lyophilized (freeze-dried)