B12 Injection
2x weekly injection to fuel your energy and focus
No insurance required
Expedited shipping, prescribed 100% online

How does B12 Injections work?

Vitamin B12 powers your body’s most vital functions—like keeping your energy steady, your mind clear, and your blood cells strong. But here’s what most people don’t know: up to 40% of adults have marginal B12 levels, especially those who don’t regularly eat meat, fish, or dairy.
B12 is essential for DNA production, brain health, and red blood cell formation. By delivering B12 through a simple injection, we bypass the digestive system entirely—allowing your body to absorb more of the nutrient, faster.
Whether you’re battling daily fatigue, brain fog, or just need a reset, our B12 injections provide the cellular fuel you need to feel more like yourself again.
Anyone experiencing low energy, brain fog, or fatigue
People with restricted diets (vegetarians, vegans)
Anyone wanting a fast, effective wellness boost
Learn more about how B12 Injections work and what to expect in our Resource Center.
Why try B12 Injections?
Fast Energy Boost
Quickly helps convert food into usable energy to fight fatigue and keep you moving.
Sharpens your Focus
Supports brain health and cognitive function, helping ease brain fog and lift mental sluggishness.
Supports Red Blood Cell Health
Promotes the production of healthy red blood cells and enhances oxygen delivery throughout the body.


3 easy steps to get started
Get started with a 3-minute quiz
Answer a few questions about your health history, goals, and lifestyle—100% online.
Virtual consultation
Chat with a US-certified doctor to get your prescription.
Expedited Shipping
Your medication will ship from a US-accredited pharmacy partner right to your doorstep—that’s right, no backorder.
Made of highly-effective ingredients
Cyanocobalamin (Vitamin B12)
A stable, clinically-trusted form of B12 that the body easily converts to its active form.
Cyanocobalamin (Vitamin B12)
A stable, clinically-trusted form of B12 that the body easily converts to its active form.
Methionine
A key amino acid that supports fat metabolism and overall metabolic function.
Cyanocobalamin (Vitamin B12)
A stable, clinically-trusted form of B12 that the body easily converts to its active form.
Methionine
A key amino acid that supports fat metabolism and overall metabolic function.
Inositol
A nutrient that aids in fat metabolism and supports healthy cell function and nerve function.
Cyanocobalamin (Vitamin B12)
A stable, clinically-trusted form of B12 that the body easily converts to its active form.
Methionine
A key amino acid that supports fat metabolism and overall metabolic function.
Inositol
A nutrient that aids in fat metabolism and supports healthy cell function and nerve function.
Choline
A nutrient that helps break down fat and supports liver and brain health.
Backed by our
doctors & specialist teams
Holistic care
We support your journey with expert guidance and resources to help you achieve optimal results, including fitness programs, dietitian-designed meal plans, and practical lifestyle tips.
Made in the USA
We only work with accredited pharmacies that adhere to rigorous quality standards.
U.S. based support
Our U.S. based doctors and care team are available to help you every step of the way, with unlimited access.


Backed by Board-Certified Doctors
“As a physician with expertise in weight management, I believe in comprehensive and personalized treatment. Alan Health delivers high-quality care that's both accessible and holistic, enabling people to achieve their overall goals."
Trusted for over 100K treatments

Wellness & Longevity Programs Tailored for You
Alan Health isn’t just a bandaid. We offer a holistic plan to support your well-being with prescription medication, lifestyle content, and a nutrition plan tailored to your unique needs. Plus, get expert support to guide you in your journey—all for one monthly price.
Frequently Asked Questions
Vitamin B12 is an essential nutrient that helps your body produce energy, maintain brain health, and form red blood cells. Without enough B12, you may experience fatigue, brain fog, low mood, or even anemia.
Many people notice an improvement in energy and mental clarity within a few days of their first injection. For others, it may take a few weeks of consistent use. Results can vary depending on individual B12 levels and overall health.
Cyanocobalamin is a stable, lab-made form of B12 that your body converts into its active form. It’s clinically proven, cost-effective, and effective for treating common B12 deficiencies. Methylcobalamin is a naturally occurring form that may offer added benefits for those with severe deficiencies or neurological symptoms.
Yes. B12 is water-soluble, meaning your body excretes any excess through urine. Regular use is generally safe, but your healthcare provider may recommend monitoring your levels over time.
Injectable B12 delivers the vitamin directly into your bloodstream, bypassing the digestive system. This ensures better absorption, particularly for people with gastrointestinal conditions or difficulty absorbing nutrients from food.