Table 1. Composition of high-nitrate and low-nitrate interventions.

Interventions	Control*	High-nitrate
Ingredients	Asparagus, low-sodium chicken broth, onions, black pepper	Spinach, low-sodium chicken broth, onions, black pepper
Composition
Calories, kcal	86	94
Carbohydrates, g	16	16
Fibre, g	5	6
Protein, g	7	8
Fat, g	0.4	1.1
Nitrate, mg	0.6	845
Nitrite, mg	< 0.1	0.1
Sodium, mg	730	730
Serving size, g	556	556
Volume, mL	500	500

^*Control is low-nitrate intervention.