Hi MD,
indeed Lecithin is a good source of Choline, which is a precursor to our favorite Acetylcholine. While i agree that Lecithin may be a desirable method of increasing dietary Choline levels one might also want to take care which source of Lecithin is used, since each has accompanying compounds. For instance Soy Lecithin has phytoestrogens which can mimic the effect of estrogen. We use Lecithin made from sunflowers when we need an emulsifier. Regardless of the source, there are also some concerns that increased Choline levels can impact cardiac health.
"Although a direct link to heart attack has not been made, intake of lecithin or phosphatidylcholine (a major component of lecithin, which is found in foods such as eggs, liver, beef and pork) might raise blood levels of the compound TMAO. TMAO is produced from choline by the actions of microbes in the gut, turning choline into TMA, which is then absorbed and is converted by enzymes in the liver into TMAO. Higher blood plasma levels of TMAO have been linked with increased risk of heart attack or other major adverse cardiovascular event. TMAO can reduce normal cholesterol clearance and advance atherosclerosis (hardening of the arteries)."
https://www.consumerlab.com/answers/...line-lecithin/
for these reasons i prefer a targeted choline increase at WBTB time, usually accompanied by an AChE inhibitor - to retard to breakdown of the choline.
Another concern would be the long term desensitisation of the ACh receptors in the presence of elevated ACh.
But i would love to hear your experience as you experiment!
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