if i were to buy groprep.igf-lr3..i was told by another source that gropep only has a shelf life of 30 minutes after its mixed and 90minutes if its kept refridgerated....he seesm to think this product is very fragile and will not hold up if mailed........also i know the mixutre is BS water or vinegar soln but does it come mixed or do u mix it yourself............id like to try igf but it seems like this product is hard to keep stable ............those of you using igf1 lr3 please tell me which product you are using and how u mix it and store it..............thanks
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