Built for the iron.Made for bodybuilding.
An American brand engineered to a pharmaceutical standard. Advanced biotechnology and peptide research compounds — including the Pro Series line, dedicated to professional athletes.
No shortcuts. No dilution.Only the iron.

The house mark — steel, red, and the skull

The floor does not negotiate.
Want to try our products?Get 50% off your first purchase!
New to OVERKILL Laboratories? Your first order unlocks a 50% discount on the Pro Series line. Reach out through the contact channel to claim the offer.
Pro Series, on the board
Professional line · Made in USA
Pro Series
The professional-grade line engineered to a pharmaceutical standard. Discover the Pro Series references in the catalog.
Lower concentration · Made in USA
Lite Series
A lower-concentration line formulated with Miglyol 812 carrier oil. Discover the Lite Series references in the catalog.

RETAKILL · 20 mg · triple agonist
Named reference
Retakill
RETAKILL 20 mg is listed as retatrutide, a peptide compound investigated in metabolic research as a triple receptor agonist. Its studied mechanism involves simultaneous activity at the GLP-1, GIP and glucagon receptors — three signaling pathways that are the subject of ongoing research into energy balance and metabolic regulation.
Retatrutide is not presented here as an approved treatment, and no clinical effect, safety outcome or weight-loss result is claimed or guaranteed. This panel identifies the named compound and the receptor pathways under investigation for informational purposes only, without attributing any established therapeutic benefit.

Standards
Pharmaceutical standard
Every OVERKILL Laboratories product is formulated following strict pharmaceutical-grade processes. Selected raw materials, stringent controls, and production in sterile environments.
- 01
Verified composition
Each batch undergoes analytical testing to assess composition and screen for contaminants.
- 02
Rigorous control
Scientific methodologies support consistent quality and traceability across every product.
- 03
Sterile environments
Production in controlled conditions with strict hygiene and sanitization protocols.
- 04
Documented process
Every production stage is documented and traced, with attention to detail throughout.

The house
Three things we do not dilute
Strength
Structural and chemical integrity. Compounds formulated for demanding research applications.
Trust
Analytical transparency. Documented testing. Clinical-grade reliability for research use.
Innovation
Molecules sourced from the frontiers of biotechnology and peptide research.
Formulation
Discover how our products are formulated
The carrier oil, the production standard, and why Miglyol 812 sits at the core of every vial.
Single requests and distributors
The catalog is informational. Orders and affiliation run through one secure channel.
