You are correct in saying that any GH or IGF in the blood will have an inhibitory effect on the pituitary via negative feedback in regards to GH. But, as pitt kind of touched on, a GHRH will re-stimulate this release of GH.
PurchasePeptides.Com - Reviews Approvedsource for IGF-1, Melanotan-ll, GHRP, Clenbuterol, and much more PM ME for EXCLUSIVE DISCOUNTS!!! Check out my forum!!! DominantMass.com