Table 1.

Nutrient intake targets for a study of exploratory analgesic dietary interventions for chronic daily headache, May 2010*

Nutrient	Low omega-6 diet	Low omega-6 + High omega-3 diet
Total protein	18	18
Total carbohydrate	50	50
Total fat	32	32
Trans fatty acids	<0.5	<0.5
Total saturated fat	13	13
Total monounsaturated fatty acids (MUFA)	16	14
Total polyunsaturated fatty acids (PUFA)	2.5	4.5
Linoleic acid, 18:2n-6 (LA)	<2.0	<2.0
Arachidonic acid, 20:4n-6 (AA)	60 mg	150 mg
Alpha-linolenic acid, 18:3n-3 (ALA)	0.6	1.8
Eicosapentaenoic acid, 20:5n-3 (EPA) + Docosahexaenoic acid, 22:6n-3 (DHA)	150 mg	1500-2000 mg

*All values are expressed as % of energy except AA and EPA+DHA (mg per day)