This product is supplied for its stated research use purpose only. Customers should review the product details, intended-use information and any storage or handling notes before ordering.
This product is not supplied for human or animal consumption, medical use, diagnosis, treatment or prevention of disease. Retra Labs does not provide dosing guidance, medical advice or personal-use recommendations.
✓ Once weekly structure
✓ Complete kit included
✓ Minimal setup
✓ Discreet packaging
WHAT’S INCLUDED
A complete kit, organised from the start.
✓ Pre-filled pen
✓ Disposable needles
✓ Instruction booklet
✓ Clean storage layout

ONCE WEEKLY
Designed for simple, structured weekly use.
HOW IT WORKS
A simplified structured system designed for consistency and ease of use.
FAQ
How often is the system used?
Designed for structured once-weekly use.
What’s included in the kit?
Each kit includes a pre-filled system, disposable needles, and instruction booklet.
Is setup complicated?
The system is designed to keep setup simple and organised.





