hCG is NOT a form of estrogen. Pregnyl
is extracted from the urine from pregnant women, but that simply doesn't make it estrogen. It is a hormone that binds to, and activates, the same receptor as LH and thereby stimulates testosterone production by the Leydig cells of the testes.
Besides Pregnyl, most hCG products on the market (and presumambly all underground ones) are recombinant in nature, meaning they aren't extracted and purified from pregnant women's urine. Here's an excerpt from my book,
Book on Steroids, about hCG:
View attachment 157473
View attachment 157474
HCGenerate is a crap supplement that doesn't do anything.