QV prop hurts like hell I have heard. I have used the russian prop you mentioned and it was painless. I ran out and had to swap to Generic Labs. GL is not that bad but at 200 mg eod get ready to have some soreness no matter what prop you go with.
By the very nature of the Propionate ester, it should be painfull at 100 mg./ml. Viromones aren't painful because they are 50 mg./ml., which is enough oil to hang around while the ester is absorbed in the muscle.
By the very nature of the Propionate ester, it should be painfull at 100 mg./ml. Viromones aren't painful because they are 50 mg./ml., which is enough oil to hang around while the ester is apsorbed in the muscle.