Because your body needs calories and nourishment to adjust to varying amounts of activity and to
feed growing muscle mass.
For example, if the stress starts getting to me, I'm prone to lose weight and stop sleeping and that's no good for an athlete trying to maintain and / or
grow muscle mass.
When used in conjunction with exercise, whey protein powder supplements can help to
grow muscle mass.
I got stronger if you are to believe the machine, but I didn't seem to
grow any muscle mass.
It's a natural muscle builder, and men who produce a lot of it have an advantage when it comes to
growing muscle mass.
Perhaps most importantly, protein can help you build strength and
grow your muscle mass.
Men like this product because it keeps them fit while they continue to
grow their muscle mass.
Anything works for noobs in regards to
growing muscle mass.