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The effect of adding L-Carnitine to the GnRH-antagonist protocol on assisted reproductive technology outcome in women with polycystic ovarian syndrome: a randomized clinical trial

Psychiatry 80, 1317

At present, there is no evidence to support a different recommended intake of choline from that of younger adults (425 mg/day for women and 550 mg/day for men)

[7] Wall BT, et al