http://www.limitlessmindset.com/nootropics/364-now-alpha-gpc.html The Top Rated Choline Supplement.
http://www.limitlessmindset.com/nootropic-ingredients/332-acetylcholine-ach.html | A nutrient that is used by the vast majority of the cells in the body to synthesize structural membranes. It’s especially useful to our brains in synthesis and release process of the neurotransmitter acetylcholine by neurons.
Recommended Daily: For boost in brain power 500mg daily + normal dietary intake.
Side Effects: More than 3500MG daily can lead to diarrhea, low blood pressure and fishy odor.
Source: Choline: Benefits, Sources, Dosage, Side effects and Supplement Info