Test Cyp 200mg/1ml (600mg in total)
Testosterone cypionate is a mid to slow-acting esterified form of testosterone. This listing is a 3 ml pen at 200 mg/ml, giving 600 mg in total.
- 200 mg/ml · 3 ml pen · 600 mg total
- Cypionate ester gives a slower release profile than propionate
- Supplied as a solution rather than lyophilised powder
- Presentation
- 200 mg/1ml Pen (600mg in a 3ml pen)
- Purity
- 99.9%
Sold strictly for in-vitro laboratory research. Not for human or veterinary consumption.
About the ester
Esterification attaches a fatty acid chain to the testosterone molecule, slowing the rate at which it enters circulation from the injection depot. Cypionate is an eight-carbon ester, placing it in a similar release band to enanthate and markedly slower than propionate.
Because the material is supplied in oil rather than as a lyophilised powder, no reconstitution step is required.
Handling and storage
Oil-based solutions are stored at room temperature, away from direct light. Refrigeration is unnecessary and can cause the carrier oil to thicken or the ester to crystallise; gentle warming to room temperature restores clarity.
Purity and batch testing
Every batch we list is accompanied by third-party analytical testing. The Certificate of Analysis linked on this page shows the lot number, HPLC purity trace, and mass spectrometry identity confirmation for the exact batch held in stock.
Purity figures quoted on this page are taken directly from that report rather than from a manufacturer datasheet, so what you read here matches the vial that ships.
Frequently asked questions
- How much total material is in this pen?
- 600 mg — a 3 ml pen at a concentration of 200 mg per ml.
- Is this product for human consumption?
- No. Everything in the Fox Peptides catalogue is supplied strictly for in-vitro laboratory research use. It is not a medicine and is not for human or veterinary consumption.
- Do you provide a Certificate of Analysis?
- Yes. Each batch is third-party tested and the Certificate of Analysis for the lot currently in stock is linked directly on this page, showing HPLC purity and mass spectrometry identity confirmation.
- Where do you ship and how long does delivery take?
- We ship across the UK with tracked delivery. Orders are dispatched from the UK once payment clears, so there are no customs delays for UK customers.
- How do I pay?
- Checkout uses secure open-banking bank transfer. You approve the payment inside your own banking app, and your order is confirmed automatically once the transfer clears.