Choline requirements are dependent on other methyl containing dietary compounds, such as [[Methionine and Cysteine - Nutrition|methionine]], [[Vitamin B12 (Cobalamin) - Nutrition|Vitamin B<sub>12</sub>]], [[folate]], and lecithin (phosphotidylcholine). | Choline requirements are dependent on other methyl containing dietary compounds, such as [[Methionine and Cysteine - Nutrition|methionine]], [[Vitamin B12 (Cobalamin) - Nutrition|Vitamin B<sub>12</sub>]], [[folate]], and lecithin (phosphotidylcholine). |