GH1 and Hypoglycemia: On the other hand, serum Zn did not correlate significantly with peak stimulated GH after insulin induced hypoglycemia (r = 0.17, p = 0.31) and clonidine stimulation (r = 0.13, p = 0.23), BA (r = 0.15, p = 0.13) and BA SDS (r = 0.11, p = 0.22).