How much protein is there in Tropicana - Ruby Red Grapefruit 100% Pure Squeezed Grapefruit Juices?

100g of Tropicana - Ruby Red Grapefruit 100% Pure Squeezed Grapefruit Juices contains 0.4 g of protein. Thus, Tropicana - Ruby Red Grapefruit 100% Pure Squeezed Grapefruit Juices food is Low in protein.