Testagen

Testes & pituitary Research only Preliminary Synthetic short peptide (Cytogen)

Also called KEDG peptide

A four-amino-acid Khavinson peptide associated with the testes. Animal reports describe effects on the pituitary, including thyroid-stimulating hormone and thyroid hormone levels, and it is promoted for supporting testosterone, although published evidence for that is thin.

Why people take it

What studies report

• Reported effects on pituitary output of thyroid-stimulating hormone in animals

Worth knowing: Promoted for testosterone support, but published evidence for that specific claim is thin.

Status: Limited animal data, mostly from one research group.

Route

Subcutaneous injection, or oral capsule depending on the preparation

Sequence

Lys-Glu-Asp-Gly

Formula

C17H29N5O9

Molecular weight

447.4 g/mol

Available as

20 mg

Educational information only. Nothing here is medical advice, a dosing protocol, or a recommendation to use any compound. Most entries describe substances not approved for human use. Talk to a licensed clinician before acting on anything you read here. How to read these entries.