Clinician-guided care. Delivered to you. Discreet. Personalized.

LongevityB12 Injectable
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B12 Injectable

Endurance and focus, naturally.

Endurance and focus, naturally.

Choose your plan

Starting at

$25

Adding a treatment to your cart does not guarantee eligibility, treatment or a prescription. A licensed provider determines whether care may be appropriate.

  • Supports low energy and fatigue
  • Helps with brain fog
  • Supports mood and sleep
  • Ideal for plant-based diets
  • Bypasses digestive absorption issues
Licensed provider review on every planDiscreet delivery includedPrivate, secure online health assessment

What it does

01

Supports low energy and fatigue

02

Helps with brain fog

03

Supports mood and sleep

04

Ideal for plant-based diets

05

Bypasses digestive absorption issues

How treatment works

01

Complete your online visit

Answer secure health questions about your history and goals.

02

Licensed provider review

A licensed provider reviews your information and, if appropriate, prescribes your treatment.

03

Delivered discreetly

If prescribed, your treatment ships to your door in discreet packaging.

What is included

  • 01Online health assessment
  • 02Licensed provider review
  • 03Ongoing provider care and messaging
  • 04Discreet shipping

Medical information

Direct vitamin B12 delivery, bypassing the gut for full absorption.

What to expect

  • 24–72 hoursEnergy boost
  • Week 1–2Reduced fatigue, better focus
  • OngoingSteady energy, healthy metabolism

Questions, answered.

Who reviews my information?+

A licensed provider reviews the health questions you submit and prescribes treatment only if it is clinically appropriate for you.

Is B12 Injectable right for me?+

That is what the online health assessment is for. Share your history and goals, and a licensed provider will tell you whether this treatment is appropriate — or whether you should hold off.

What is included with a plan?+

Ongoing provider care and support, any supplies required for your treatment, platform access with educational content, and discreet shipping.

Do I need insurance?+

No. Mercury Toolkit is cash-pay with flat pricing, and plans are HSA/FSA eligible.

Ready to take the next step?

Adding a treatment to your cart does not guarantee eligibility, treatment or a prescription. A licensed provider determines whether care may be appropriate.

This page is for informational purposes only and is not medical advice. Prescription treatments require an evaluation by a licensed clinician and are dispensed only where clinically appropriate. Individual results vary. Talk with a clinician about risks, benefits, and alternatives before starting treatment.