Table 1.

Methylation-related components of high methyl and low methyl donor diets^*

Ingredient	Low methylation (g, %)	High methylation (g, %)
L-methionine	0	7.5
Soybean oil	0	70
Corn oil	70	0
Zinc carbonate, 52.1% zinc	0	0.288
Folic acid	0	0.015
Betaine	0	15
Cyanocobalamin, 0.1%	0	0.15
Choline bitartrate	2.5	36.6
Genistein	0	0.3

Note:

^*Formulated by Research Diets Inc, New Brunswick, NJ, USA.