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doi: 10.4239/wjd.v5.i2.89 [DOI] [PMC free article] [PubMed] [Google Scholar] 117

this means your skin wont keep absorbing more once its full of vitamin C

doi: 10.1038/s41419-022-05526-w [DOI] [PMC free article] [PubMed] [Google Scholar] 9

Through both of these mechanisms, ROS play an important role in cancer development (i.e., carcinogenesis), atherosclerosis, diabetes, inflammation, aging, and other harmful processes

The role of hydrogen sulfide in aging and age-related pathologies