Vitamin B12 Injections

Vitamin B12 Injections

energyvitamin
Vitamin B-12 supports energy production and nerve function. Our subcutaneous injection delivers it directly into your bloodstream for sustained energy, sharper focus, and overall cellular health.
Starting at$99.00
SHOP NOW

We offer this treatment for patients to self-administer at home.

Content: Select your preferred strength

Yes. Every treatment requires a prescription. You will complete a secure online health intake, and one of our licensed medical providers will review your history to ensure B-12 injections are safe and appropriate for you before prescribing.

No. RIVA treatments do not require insurance and are not submitted to insurance providers. Your consultation, physician review, and prescription are included in the cost of your treatment.

Most vitamins never reach your bloodstream

Oral supplements lose potency before they can work. Your digestive system filters out what your cells actually need.

<50%

of most oral supplements is actually absorbed by your body

3

digestive barriers between a pill and your cells: stomach acid, enzymes, and liver metabolism

0

way to control what your gut filters out

Deliver B-12 directly
where it works.

Skip the digestive system entirely. Injectable B-12 reaches your bloodstream at full strength, so your energy levels, focus, and cellular health get what they need without the guesswork of oral supplements.

Riva Vitamin B-12 injection vial
Licensed U.S. 503A Pharmacy

Compounded to pharmaceutical standards, not sourced from research suppliers.

Patient-Specific Formulation

Dose and protocol tailored to your intake, not a generic starting point.

Medical Oversight

Prescribed and monitored by licensed clinicians throughout your protocol.

Ongoing Care Team

A dedicated team to guide dosing, injections and questions along the way.

Everything Included

Vials, syringes, alcohol swabs and video instructions in every kit.

For Individual Care

Made for one patient, one protocol, never bulk lab supply.

Riva Vitamin B-12 injection vial
  • Licensed U.S. 503A Pharmacy

    Compounded to pharmaceutical standards, not sourced from research suppliers.

  • Patient-Specific Formulation

    Dose and protocol tailored to your intake, not a generic starting point.

  • Medical Oversight

    Prescribed and monitored by licensed clinicians throughout your protocol.

  • Ongoing Care Team

    A dedicated team to guide dosing, injections and questions along the way.

  • Everything Included

    Vials, syringes, alcohol swabs and video instructions in every kit.

  • For Individual Care

    Made for one patient, one protocol, never bulk lab supply.

* 503A pharmacies compound medications for individual patients under physician oversight, subject to FDA and state board regulation.

Every vitamin follows a clinical pathway

From sourcing to your door, three non-negotiables that don't change regardless of which vitamin you're getting.

1
Licensed pharmacy

Licensed U.S. compounding pharmacies

Every vitamin sourced from regulated U.S. pharmacies. Formulated for human use, not research supply, not gray market, not overseas.

2
Care team

Online intake + care-team support

No protocol without a proper intake. Dosing and duration are built around your health history, not a forum thread or a generic starting point.

3
Delivered to you

Everything you need

Everything comes with your order: supplies, instructions, and video guidance. Nothing to source separately.

Why Vitamin B-12?

Why Vitamin B-12?

Vitamin B-12 plays a central role in how your body produces energy, supports nerve function, and forms red blood cells. But many people don't absorb enough through food or oral supplements alone, especially as they age or follow plant-based diets. Injectable B-12 bypasses the digestive system entirely, delivering the vitamin straight into your bloodstream. No breakdown, no filtering, no absorption gaps. Just the full dose reaching the cells that need it.

Our Vitamin B12 injections bypass the digestive system, delivering the nutrient directly into your bloodstream for immediate and more effective results.

Who can benefit?

  • Those dealing with persistent low energy or afternoon fatigue
  • People on vegetarian or vegan diets with limited B-12 food sources
  • Anyone over 40, when natural B-12 absorption tends to decline
  • Those looking to support sharper mental clarity and focus
  • People who want reliable absorption without depending on oral supplements
GET STARTED

From our Clients

I used to hit a wall every afternoon around 2pm. About three weeks into B-12 injections, that slump just stopped happening. My energy stays way more consistent now.

Kevin R.

Went vegan two years ago and my B-12 levels tanked no matter what supplement I tried. These injections finally got my numbers back where they should be.

Anandha S.

Honestly wasn't expecting much, figured it was another wellness trend. But I sleep better, think clearer, and don't need that second coffee anymore.

James P.

I'm 58 and my energy had been dropping for years. Started B-12 injections four months ago and it's like someone turned the lights back on.

Robert M.

I started B12 injections to help with my energy levels and the difference has been noticeable. I feel more focused throughout the day and the process was incredibly simple.

Sarah Mitchell

Your energy deserves more than what a pill can deliver.

Your energy deserves more
than what a pill can deliver.

Complete your order online and a licensed provider will review your intake to determine the right personalized treatment, delivered discreetly to your door.

GET STARTED

How it Works

Access the Next Evolution in Wellness from the comfort of your house. Build your at-home treatment backed by Medical Experts.

1TODAY

Choose your treatment

Complete a secure health questionnaire so our licensed providers can review your eligibility.

24–7 DAYS

Personalized Review

Our medical team reviews your information and determines the right treatment for you.

37+ DAYS

Delivered to You

Once approved, your prescription is prepared by our pharmacy partner and shipped directly to your door.

GET STARTED

Frequently Asked Questions

Vitamin B-12 (cobalamin) is an essential vitamin that supports energy production, nerve function, and red blood cell formation. Your body cannot produce it on its own, so it must come from food, supplements, or injections.
Oral B-12 has to pass through your digestive system, where absorption can be limited by stomach acid, enzymes, and individual gut health. Injectable B-12 enters your bloodstream directly, bypassing those barriers entirely.
B-12 injections may benefit those with low energy, people on plant-based diets, adults over 40 experiencing natural absorption decline, or anyone who has had difficulty maintaining adequate B-12 levels through oral supplements alone. A licensed provider will evaluate your health history before prescribing.
Your provider will recommend a schedule based on your health intake and individual needs. Most protocols involve regular injections over a sustained period to maintain consistent levels.
B-12 injections are generally well tolerated. Mild soreness or redness at the injection site is possible, as with any injection. Your care team is available throughout your protocol to address any concerns.
Results vary by individual. Some people report improved energy within the first week or two, while other benefits like mental clarity may develop over a longer period. Staying consistent with your protocol is important.
Yes. Every treatment requires a prescription. You will complete a secure online health intake, and one of our licensed medical providers will review your history to ensure B-12 injections are safe and appropriate for you before prescribing.
No. RIVA treatments do not require insurance and are not submitted to insurance providers. Your consultation, physician review, and prescription are included in the cost of your treatment.