23andme has a "report" about this called Caffeine Consumption. The markers they use are rs4410790 and rs2472297, whereas geneticlifehacks.com talks about rs7625

23andme has a "report" about this called Caffeine Consumption. The markers they use are rs4410790 and rs2472297, whereas geneticlifehacks.com talks about rs762551. I'm not sure what to make of that, since that second 23andme one is "near" cyp1a2. https://you.23andme.com/reports/wellness2.caffeine_consumption/details/ https://you.23andme.com/reports/wellness2.caffeine_consumpti...