Recent treatments for hangover have targeted the inflammation- and oxidative stress-inducing effects of alcohol, although much more research is needed to know if these products help hangover, as the current evidence is limited. A product containing the amino acid L-cysteine along with B and C vitamins failed to improve hangover severity or associated biomarkers compared to placebo.[1] Simple carbohydrates and Vitamin B6 have also shown some effectiveness for treating cognitive symptoms and hangover symptom severity, respectively.[2]
Contrary to popular belief, drinking more alcohol does not cure a hangover.