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.
The 120 calories in one serving of McDonald's French Vanilla McCafe Iced Coffee are equivalent to the calories burned while: Running (6 mph) for 10 minutes. Stationary rowing for 20 minutes. Chopping wood for 15 minutes. Sleeping for 1 hour and 46 minutes.