[URL unfurl="true"]https://chrismasterjohnphd.com/tools/2019/04/17/the-choline-database[/URL]
If you can easily get enough through dietary sources if you eat meat/egg yolks.
Sunflower lecithin granules/powders are also a great supplemental source.
[URL unfurl="true"]https://www.amazon.com/Supplements-Sunflower-Naturally-Phosphatidyl-Phosphatides/dp/B00MU73UKS/ref=sr_1_5?dchild=1&keywords=sunflower+lecithin+granules&qid=1599420088&sr=8-5[/URL]