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Hormonal & reproductive

Testagen

Also known as: Testis peptide bioregulator · Testes bioregulator

A testis-derived peptide bioregulator studied in Russian research for reproductive-tissue markers.

Testagen at a glance

NameTestagen
Also known asTestis peptide bioregulator, Testes bioregulator
CategoryHormonal & reproductive
TypePeptide
SequenceTissue-specific peptide fraction
Typical doseCommonly cited around 1-3 mg per short course
FrequencyShort cyclical courses in the discussed protocols
RouteSubcutaneous or intramuscular injection (research); oral capsule forms also marketed
Half-lifeNot well established.

Overview

Testagen is described in the bioregulator literature as a peptide complex obtained from testicular tissue, and is discussed in the context of male reproductive-tissue function and age-related decline. Some sources also refer to a short synthetic analog associated with the program. As with the wider bioregulator catalogue, the supporting data are largely in-house, older, and non-Western, and independent replication in mainstream endocrinology is lacking, so claims warrant skepticism.

How it’s thought to work

  • Proposed to act as a testis-specific peptide bioregulator influencing gene expression in reproductive tissue.
  • Discussed in relation to maintenance of testicular cell function with age.
  • Endocrine effects are asserted mainly within the originating research and are not well established externally.

Researched uses

  • Male reproductive-tissue research interest
  • Age-related reproductive decline discussions
  • Cited alongside other organ-specific bioregulators

Commonly cited protocol

Typical doseCommonly cited around 1-3 mg per short course
FrequencyShort cyclical courses in the discussed protocols
RouteSubcutaneous or intramuscular injection (research); oral capsule forms also marketed
NotesDescribed as used in repeated cycles in the source literature.

Reconstitution

Commonly a 5-10 mg vial; reconstitute with bacteriostatic water and use the calculator for units.

Testagen dosage calculator

The calculator below is pre-filled with Testagen’s commonly cited vial size and dose. Adjust the vial amount, bacteriostatic water, or dose to match your own vial — it will show the exact insulin-syringe units to draw, the concentration, and how many doses the vial holds.

mg
mL
How much water you add is your choice — it doesn’t change your dose, only how many units you draw. Common:
Draw to
40 units
= 0.4 mL on a 1 mL (100 units) syringe
40 units0100
Concentration
5 mg/mL
Per unit
50 mcg/u
Doses per vial
5 × 2mg
Volume
0.4 mL
📋 In plain English

Add 2 mL of bacteriostatic water to your 10 mg vial. That gives you about 5 doses of 2 mg. For each dose, draw 40 units into a 100-unit insulin syringe.

See the full Testagen dosing chart (units for every dose & water amount), or open the full peptide calculator →

Cautions

  • Not FDA-approved; a research compound, not an approved hormonal or fertility treatment.
  • Human evidence is limited, older, and largely non-Western, and has not been widely replicated.
  • Research-grade material varies in purity and true content by source.
  • Hormonal and reproductive concerns should be assessed by a qualified clinician.

Testagen FAQ

What is Testagen?

A testis-derived peptide bioregulator studied in Russian research for reproductive-tissue markers.

How does Testagen work?

Proposed to act as a testis-specific peptide bioregulator influencing gene expression in reproductive tissue. Discussed in relation to maintenance of testicular cell function with age. Endocrine effects are asserted mainly within the originating research and are not well established externally.

What is Testagen used for?

Male reproductive-tissue research interest; Age-related reproductive decline discussions; Cited alongside other organ-specific bioregulators.

What is a typical Testagen dose?

Commonly cited around 1-3 mg per short course, Short cyclical courses in the discussed protocols, Subcutaneous or intramuscular injection (research); oral capsule forms also marketed. This is a commonly cited figure for context only, not medical advice.

How do you reconstitute Testagen?

Commonly a 5-10 mg vial; reconstitute with bacteriostatic water and use the calculator for units.

What is the half-life of Testagen?

Not well established.

Related hormonal & reproductive peptides

⚠️ Educational reference only — not medical advice. These compounds are largely research chemicals not approved for human use in most countries. Nothing here is a recommendation to obtain or administer any substance. Consult a qualified clinician.