Table 4.

Time to peak choline and betaine concentrations and slope to peak choline concentration after the intake of choline supplements

	Choline chloride	Choline bitartrate	αGPC	Egg-PC
Time to choline concentration peak (h)	2.25 (0.88–3.5)	1.75 (1.0–2.13)	1.75 (1.38–2.5)	2.75 (2.0–3.5)
Time to betaine concentration peak (h)	2.5 (2.25–4.25)	2.75 (2.0–3.5)	3.0 (2.38–4.25)	4.0 (3.0–5.0)
Slope to peak choline concentration (Δ choline concentration/time to peak)	2.23 (1.72–13.06)	4.76 (1.99–8.71)	2.94 (2.07–5.72)	2.49 (1.59–3.54)

Data are shown as median (25th‰–75th‰)

h hours, PC phosphatidylcholine, TMAO Trimethylamine oxide, αGPC alpha-glycerophosphocholine