(Wild speculation ahead) I think it has to -- almost all of the nootropics that people use (-iracetams) are recommended to be taken with choline supplements, a

(Wild speculation ahead) I think it has to -- almost all of the nootropics that people use (-iracetams) are recommended to be taken with choline supplements, as people tend to get headaches without them. These nootropics were looked at as Alzheimer-preventing or -delaying drugs, and they cause an uptick in choline use that necessitates the supplements. I feel that indicates choline is used in keeping the mind strong against Alzheimers.