Table 3.

Concentrations of iodine in brewed coffee, μg/100 mL

Coffee product	Iodine, μg/100 mL
	Mean	SD	Min, Max
Brewed filtered coffee (n = 36)	0.086	0.034	0.048, 0.160
Brewed instant coffee (n = 6)	0.084	0.025	0.058, 0.120
Brewed capsule coffee (n = 36)	0.042	0.047	0.015, 0.130
Brewed coffee with plant-based milk alternatives (n = 8)	9.1	8.5	<0.8, 19.0
Brewed coffee with lactose-free dairy milk (n = 1)	17	-	-
Filter ground coffee beans (dry) (n = 5)	<LOQ		<LOQ, 0.0036
Instant coffee powder (dry) (n = 1)	<LOQ	-	-
Espresso ground coffee beans (dry) (n = 2)	<LOQ	-	-