Instead of relying on supplements, she needs to treat her short-term memory like a muscle that needs to be developed, which means that she needs to spend 15 minutes each morning building her short-term memory through memory-based games via an app such as Lumosity. And there should definitely be no smoking weed, eating gummies, or anything THC-based and counterproductive like that.
Yeah, she doesn't do any of the THC-based stuff, although that would help with her various pains. And she is definitely NOT an app person. She's a work in progress. (58 YO, old dog new tricks and such. I just want to get her to stop wasting money on the Ginko).