B12Rx

At-home injections without measuring from a vial

The painless B12Rx self-injector works with prefilled, single-use syringes. There is no vial to draw from.

View the 5-step guideShop formulas
A woman holding the B12Rx self-injector against her side
  • In business since 2014
  • Strongest prescription B12
  • Made in the USA
  • No synthetic cyano B12
  • LegitScript-certified

Prefilled syringes

No vial drawing or dose measuring in the at-home workflow.

Simple sequence

Open the pouch, load the syringe, position the device, and press.

Prescription review

Orders still require the same medical review before fulfillment.

How it works

  1. 1

    The pouch

    Open the pouch

    Each syringe arrives sealed and prefilled.

    A sealed B12Rx pouch
  2. 2

    The injector

    Load the injector

    Load the syringe into the self-injector.

    A prefilled syringe loaded into the B12Rx self-injector
  3. 3

    The shot

    Press and done

    Place it on your thigh and press. The injection is done in seconds.

    The B12Rx self-injector pressed against the thigh

Added at checkout

The self-injector is an optional add-on at checkout for $69.99. It ships only with an approved prescription order.

  • Works with B12Rx prefilled syringes
  • Instructions are included in eligible shipments
  • Contact support before using if anything appears damaged