In popular culture, protein powders are associated with young bodybuilders who might have a shake in one hand and a barbell in the other. (healthyeating.sfgate.com)
That's why young bodybuilders in their early 20s don't need testosterone boosters. (fitnessandpower.com)
Many young bodybuilders are not aware of this, but compound exercises are the quickest route to building muscle mass. (fitnessandpower.com)