What purity is this product?

All PeptideBull products are HPLC-tested to ≥99% purity. A Certificate of Analysis (COA) is available for every product.

Is this product for human consumption?

No. All products sold on PeptideBull are strictly for in-vitro laboratory research use only. Not for human or veterinary consumption.

How should I store this peptide?

Store lyophilized peptide at −20°C. Once reconstituted with bacteriostatic water, refrigerate at 2–8°C and use within 28 days.

How do I reconstitute this peptide?

Add sterile bacteriostatic water slowly along the inner vial wall and gently swirl — do not shake. Allow the peptide to dissolve naturally.

What is the shipping method?

PeptideBull ships domestically within the USA. Orders are processed within 1–2 business days. Discreet, professional packaging on all shipments.

Testagen

Name: Testagen
Brand: No-Label
Price: 72.00 USD
Availability: InStock

No-Label

$72.00

Volume Savings Buy more, save more — click a tier to select

3 Pack SAVE 10% — —

Most Popular 6 Pack SAVE 15% — —

10 Pack SAVE 20% — —

Lab Tested

Fast Shipping

Research Grade

Secure Payment

Join our community

Telegram Discord Reddit

This product is intended for laboratory and research use only. Not for human consumption.

Testagen is a short peptide bioregulator studied for its potential role in testosterone biosynthesis and gonadal function in preclinical research. Derived from testicular tissue, Testagen is investigated for its ability to stimulate Leydig cell activity, support testosterone production pathways, and modulate HPG axis signaling in animal models. Research has explored its use in male reproductive biology, age-related hypogonadism models, and testosterone regulatory pathways. PeptideBull supplies Testagen at research-grade purity. Not for human or veterinary consumption.