Evidence check: CYP1A2 in the context of Wechseljahre

CYP1A2 is a gene involved in the metabolism of caffeine and certain hormones, including estrogens. In the context of menopause, there is limited direct evidence linking CYP1A2 variants to clinically meaningful outcomes such as hot flashes or hormonal balance. Some research suggests a potential role in estrogen hydroxylation, but this remains mechanistic and not actionable. Consumer DNA tests often report CYP1A2 for caffeine sensitivity, but claims about menopause are speculative. The evidence is weak (mechanistic/unclear) and does not support personalized diet or supplement recommendations based solely on this gene. For menopause management, evidence-based strategies (HRT, lifestyle) should be prioritized. Caveat: direct-to-consumer marketing may overstate the relevance of single genes.