** nutrient-id_unit (e.g. saturated-fat_unit, energy-kcal_unit) : the unit of the value passed (e.g. "g", "mg", "kcal", "kJ") | ** nutrient-id_unit (e.g. saturated-fat_unit, energy-kcal_unit) : the unit of the value passed (e.g. "g", "mg", "kcal", "kJ") |