Metformin is slightly different than slin, it increases insulin sensitivity, it works well, thing is doses around the 500 mg mark can make you have stomach issues and the runs.I have experience with using slin PRW (pre-workout) and the down side is that slin will force nutrients into cells including cells outside the muscle well causing you to look...well you know. Usually in the gym you don't care if you look a bit soft as long as you feel huge. This is why like AJ said most competitors avoid it as hitting a sweet spot can be impossible. Now metphormin (glucophage) is a diabetic med that is "supposed" to send nutrients only to the muscle...but while it intrigues me as a competitor I have no real experience of knowledge regarding it.
Hawk
10 ius, damn you must be takin in a good amount of that Karbolyn along with that.I have been doing slin 10iu pre with igf-des(300mcg bi lat). Drink 80 gm karboline, bcaa and creatine. I only do it 3 days a week because I do DC. Works great staying lean and crazy pumps.
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