Which one contains the most fat, skim milk or light milk? How about protein or calcium? A nutrition researcher explains.

Most brands use blue or light blue caps to denote 2% milk. At certain grocery stores ... Whole milk labels are red so that they stand out from the reduced fat and skim milk. Skim milk, or non-fat milk ...

Not all companies play by the rules, but here is a basic guide to make your next trip to the milk ... its cap) actually uses a white label with blue lettering. So if you're seeking skim, always ...

Light blue was skim milk, navy blue was one-percent ... And the bright red color of its cap and label only reinforced and confirmed my jitters. Red was the color of warning, of danger, of unhealth.