Spare cartridges for the reusable pen. Cheap enough to keep a few on hand.
| Compound | Replacement cartridge |
| Format | Cartridge |
| Active half-life | n/a |
| Category | Accessories |
| Price | $3 |
| Shipping | 1–2 days to ship, 2–4 in transit, USA only |
| Payment | Bitcoin (BTC) |
Spare cartridges for the reusable pen. Cheap enough to keep a few on hand.
No half-life to worry about here — it's hardware, not a compound.
Pairs well with Peptide Pen, or see the full Accessories range.
1–2 business days out the door and 2–4 in transit. Domestic USA only, so there's no customs stage.
Hit "Order on Telegram" and the bot handles cart, address and Bitcoin payment in about two minutes. It confirms automatically after three network confirmations.
Match your dosing frequency to that and keep it consistent — steadier levels beat larger, rarer doses.
Every batch is sourced from the same supplier and Janoshik testing is supported — send a sample in and get store credit back.