Choline is available in many foods, such as eggs and liver, and sold over the counter in well-tolerated forms such as lecithin, choline bitartrate or chloride, and phosphatidylcholine.
From the sciencedaily.com
The Company is also developing QSC-001, a unique orally disintegrating tablet formulation of hydrocodone bitartrate and acetaminophen for the treatment of moderate to moderately severe pain.