This was a single-center, open-label, exploratory crossover study evaluating acute hangover symptoms after use of NatureU Cheers Friends Curcumin compared with an active comparator product in healthy adult men. Participants completed two independent test-food sessions separated by at least 48 hours. Sixteen participants were recruited, 12 were screened and enrolled, and 12 were included in the effectiveness analysis. In the control session, participants took Herbsense hangover relief tablets 30 minutes before alcohol intake. In the NatureU Cheers Friends Curcumin session, participants took NatureU Cheers Friends Curcumin 30 minutes before alcohol intake. The main outcome was the Acute Hangover Scale (AHS) assessed the morning after each test session. Safety was monitored during the test procedures.