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.
Reply. according to their FB faq : International Delight Iced Coffee has 76 mg of caffeine per 8ounce serving, compared to 50 mg in other leading iced espresso drinks, 47 mg in brewed tea and 2330 mg in leading soda brands (per 8-ounce serving).