Note that ‘caffeine from beverages’ is listed as a supplement, but it’s midway down the list. So many people like me who don’t think they take any ‘supplements’ will likely miss it. I suspect this will be a big source of error as well.
Note that ‘caffeine from beverages’ is listed as a supplement, but it’s midway down the list. So many people like me who don’t think they take any ‘supplements’ will likely miss it. I suspect this will be a big source of error as well.