Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygenated state it is called oxyhemoglobin and is bright red.
Caffeine by McDonalds Iced Coffee Size. 1  Medium (16 floz): 133mg. 2  Large (22 floz): 200mg. 3  Extra Large (32 floz): 320mg.
Nutrition Facts for McDonald's Iced Coffee with Sugar Free Vanilla Syrup. Per 8-ounce/60-g serving size: 80 calories, 41 calories from fat, 4.5 g total fat, 3 g saturated fat, 0 g polyunsaturated fat, 0 g monounsaturated fat, 15 mg cholesterol, 65 mg sodium, 0 mg potassium, 9 g carbohydrates, 0 g dietary fiber, 1 g sugar, 1 g protein. Coffee.