Pregnyl
Also known as Pregnyl — this name points to hCG in our directory.
About hCG
A glycoprotein hormone peptide—not a small peptide—used medically for fertility and sometimes TRT adjunct.
hCG mimics LH and stimulates testosterone production and testicular size. FDA-approved for fertility; controversial in weight-loss and TRT protocols. Distinct from GH secretagogues; requires injection and monitoring.
Where you will see Pregnyl
Pregnyl is a marketing or trade name people search when they mean hCG. On retail shelves the INCI list on the back of the package may use a longer systematic name even when the front label shows a nickname.
Other names
Human chorionic gonadotropin
Pregnyl
Gonadotropin
Common questions
Is Pregnyl the same as hCG?
Yes. Pregnyl is a brand or nickname that refers to hCG in our directory—the same active molecule, different packaging or marketing name.
What is hCG?
A glycoprotein hormone peptide—not a small peptide—used medically for fertility and sometimes TRT adjunct. hCG mimics LH and stimulates testosterone production and testicular size. FDA-approved for fertility; controversial in weight-loss and TRT protocols. Distinct from GH secretagogues; requires injection and monitoring.
How do I find Pregnyl on a label?
Pregnyl may appear on retail product fronts, but confirm the INCI list matches hCG before assuming the formula is identical across brands.