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A comprehensive 2017 review by Pullar and Carr in Nutrients documents vitamin C's established role as a collagen synthesis cofactor, antioxidant, and UV-protective agent in skin tissue
2025, biolongevitylabs.com/research/dsip-delta-sleep-inducing-peptide/?tw_source=google&tw_adid=&tw_campaign=22124776050&tw_kwdid=&gad_source=1&gad_campaignid=22131035699&gbraid=0AAAAA-VNyo4Uc2QKR49_lCuPUVOX6zg2r&gclid=CjwKCAiA_dDIBhB6EiwAvzc1cGN8P24Fn0433DO34wcbGsIJ_fpmMN_5R3L-PEACRcbgLn_HMTZykhoC4zYQAvD_BwE
J Neurochem 65: 26522662
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