Not really sure about that! But ask around a LOT about whatever test booster you're wanting to try. A lot of them are gimmicky, and probably don't really do much in the way of significantly increasing T-levels. Most labels will say something like "this product" promotes "so an so" that has been shown to elevate T-levels. So just check into it! IMHO Your best bet is creatine and some good ol' whey or protein brother.

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You come into the world weak, and you will leave the world weak. What you do in between is up to you!