Table 3.

Critical nutrients determining the outcome of optimal solutions in each age–gender group: men aged 31–50 years (m), men aged 51–69 years (M), women aged 31–50 years (w) and women aged 51–69 years (W). The count shows how often a nutrient was either outside the model boundaries or critical

	Current*	‘Nutritionally optimised’†	‘Critical point’†,‡	‘Half’†,§	‘Minimum’†,║	Count
α-Linoleic acid	mMwW	mMwW	mMwW	mMwW	mMwW	20
Retinol activity equivalents	mMwW	mMW	mMW	mMwW	mMwW	18
Ca	W	MwW	MwW	mMwW	mMwW	15
Na	mM	mMw	mMw	mMw	mMwW	15
Se	MwW	MW	mMW	mMwW	MwW	15
Thiamin	mMwW	W	wW	mMwW	mMwW	15
Fibre	mMwW	mMwW	mMwW	mM		14
DHA+EPA	mMwW	mMwW	mMW	m	W	13
Vitamin B6	MwW		Mw	MwW	mMwW	12
SFA	mMwW	mMW	mMwW	M		12
Folate equivalents	mMwW	wW	wW	wW		10
Vitamin D	wW	w	wW		mMwW	9
Water				mMW	mMwW	7
Fe	w	w	w	w	w	5
Niacin				wW	wW	4
Vitamin E					mMwW	4
Carbohydrates	W	W	W			3
Alcohol	W	W	W			3
Riboflavin				m	m	2
Vitamin C				m	m	2
Fat total					w	1
Vitamin B12					m	1
Vitamin K				M		1
K					m	1

^*Nutrients outside boundaries in model (Table 1).

^†Binding nutrient constraints.

^‡Point where % change in penalty/% change in pReCiPe becomes elastic: diets become less acceptable.

^§Environmental impact reduced to 50 % of current diet.

^║Minimum environmental impact possible within nutrient and product constraints.