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 Most Caffeinated Iced Coffee. Hereâs how the above brands rank according to caffeine from greatest to least by the caffeine amount in a 16 floz cup of iced brewed coffee. 1  The Coffee Bean & Tea Leaf â 200mg. 2  Caribou â 190mg.3  Starbucks â 165mg. 4  Peetâs Coffee â 150mg. 5  Tim Hortons â 142mg.6  McDonalds â 133mg. 7  Dunkin Donuts â 70mg.he Most Caffeinated Iced Coffee. Hereâs how the above brands rank according to caffeine from greatest to least by the caffeine amount in a 16 floz cup of iced brewed coffee. 1  The Coffee Bean & Tea Leaf â 200mg. 2  Caribou â 190mg.