Good grief, Popeye was a cheaterpants: 
Spinach chemical should be put on doping ban list, s... I always figured Popeye was propaganda created by Big Spinach but apparently the stuff actually works.
Spinach chemical should be put on doping ban list, s... I always figured Popeye was propaganda created by Big Spinach but apparently the stuff actually works.
Mmmm spinach
Haha, well, sometimes a chemical found in food works much more potently when isolated, so that the spinach is probably fine. The article uses Popeye to pull us in, but that's the last mention of spinach. The topic would actually be pretty boring to nonscience types without it. 
