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The Original Refillable Injection Pen -
Reuse It, Refill for $1

Stop throwing money away on disposable pens and syringes.  Our reusable injection pen system dials exact doses in clicks, refills ~$1 cartridges, and lasts for a long time.  Trusted by 10,000+ in the peptide community.

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10,000+ Satisfied Customers

$1 Cartridge Refills

Dial Exact Units - No Guesswork

Free US Shipping over $59

Pick Your Pen

Two things set them apart — capacity and cap. The V1 holds up to 80 units; the V2 and V3 hold 60. The V2's cap stays on while you inject; the V1 and V3 caps come off first.

V1 - Closed cap - up to 80 units. The higher-capacity pen, best when you want more units per fill. Remove the cap to inject.

V2 - Open cap · 60 units. The cap stays on while you inject — nothing to remove. The simplest, fewest-steps option.

V3 - Closed cap · 60 units. Same 60-unit capacity as the V2,  slim design like V1, with a cap you remove to inject.

Why Reusable?

Save Money

A reusable pen plus about $1 cartridges costs a fraction of disposable pens or stacks of syringes over a year.

Waste Less

Dial exact units and draw every last bit from the cartridge — nothing left behind.

Dose with Confidence

Click-based dosing is repeatable and easy to read, every time.

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