IRON MAN Jan '08

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This month it’s our popular Muscle-Science Roundup, with a look at loads of research studies that can help you pack on mass and then rip it up. Plus, we take a scientific look at nitric oxide supplements to help you pump up bigger and better, we have four get-big winter mass programs for you to rotate in to your mass arsenal, and we have giant coverage of the Mr. Olympia—full-page pullouts of the best bodies in the sport.