Personally, I think a muscle has to work,get fed, and rest in order to grow....Period.
However, there are those that alter the appearance of a trained but lagging muscle through the use of Synthol, etc.
I would think the effect of Synthol would be more like "shimming" the muscle up rather than "pumping" it.
AG
There are 3 loves in my life: my wife, my English mastiffs, and my weightlifting....Man, my wife gets really pissed when I get the 3 confused...
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