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Ships Monday & Wednesday · 2-Day Air
How many boxes?
Single use, ships empty. Fits the NEST Pen V2 and most V1 and V2 style reusable pens.
Replacement 3 mL borosilicate glass cartridges for reusable injection pens. Each one is individually sealed and meant for a single use, so every fill starts with a fresh cartridge.
From for 10. Save up to 15% on 3 and 5 box packs. Free shipping on orders over $200.
10 individually sealed cartridges in every box
The same durable glass type used for lab and pharmacy glassware, chosen for its heat resistance and chemical durability.
Each cartridge has its own package, so the other nine stay sealed while you use one.
Crystal-clear glass lets you check volume and clarity at a glance, in or out of the pen.
These cartridges use the standard 3 mL format found in most reusable pens.
Not sure about your pen? Call 844-954-9300 or email support@lavimd.store before you order.
A new cartridge every time keeps your routine simple and consistent.
Nothing to wash, dry, or reuse. Open, use, and dispose.
Each fill starts with a cartridge that has stayed sealed since packaging.
Ten in a box makes it simple to see how many you have left and when to reorder.
The NEST Reusable Injector Pen fits these cartridges, dials 0 to 80 units in 1-unit steps, and comes with a travel case.
| Quantity | 10 cartridges, each individually sealed |
|---|---|
| Volume | 3 mL (3 cc) |
| Material | Borosilicate glass with metal crimp caps |
| Condition | Ships empty |
| Use | Single use. Discard after use. |
| Compatibility | NEST Pen V2 and most V1 and V2 style reusable pens |
| Not included | Pen, pen needles, medication |
Ten sealed, single-use 3 mL cartridges in every box, from . Save 10% on 3 boxes and 15% on 5.
Choose your boxesEmpty cartridges for use with compatible reusable pens. Single use only. Fill and use only as directed by a licensed healthcare provider. Medication, pens, and pen needles are sold separately.
Why Lavi MD
Most peptide suppliers prioritize volume over patients. We were built differently, by a physician, for patients.
Physician on Staff
Sasson Moulavi, MD
Dispensing Physician · Chayim Therapeutics, LLC
West Palm Beach, FL
"Every product we offer is something I would stand behind for my own patients. Our formulations are designed for real results, not marketing claims."
How We Operate
Built by a Physician, Not a Marketing Team
Lavi MD was founded under physician supervision. Every formulation is reviewed by Dr. Moulavi before it reaches a patient, not outsourced to a contract manufacturer with no clinical input.
Fast Shipping, Monday Through Friday
Creams ship Monday through Friday by ground, with delivery in about 3 to 5 days. Add any nasal spray or injectable to your order and the whole order automatically upgrades to free 2-Day Air, so your temperature-sensitive items arrive fast.
We Treat You Like a Patient, Not an Order Number
Our team includes clinical staff who understand what you're using and why. If something goes wrong with your order, a missing component or a question about how to use a product, we fix it. No automated runaround.
We hold ourselves to the standards set by the bodies advancing peptide science, so you can have full confidence in every product you receive.
American Peptide AssociationAmerican Peptide Association
The leading industry body advancing the science, safety, and standards of peptide research. Our membership reflects our commitment to purity, transparency, and responsible sourcing.
Official Member
SSRP InstituteSeeds Scientific Research and Performance Institute
A physician led institute advancing the clinical standards of peptide therapy and cellular medicine. Our membership reflects our commitment to evidence based, physician guided care.
Official Member
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