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.
Iced coffee is almost the highest, but itâs a little diluted compared to regular coffee. All flavors of iced coffee would change the sugar amount, but it would not change the caffeine content. Youâre always downing 295 mg if youâre an iced coffee fanatic like me. 11.