R2 Medical Clinic

B12 InjectionsVitamin B12 Shots in Denver, CO

Vitamin B12 injections deliver a concentrated dose of B12 directly into the bloodstream to support energy, metabolism, red blood cell production, and healthy nervous-system function. B12 shots are a fast, simple way to correct a deficiency or top up levels for people who feel run down, foggy, or fatigued.

At R2 Medical Clinic, vitamin B12 injections are administered by our medical team at our Denver office at 1873 S Bellaire St, Ste 1215, with additional availability at our Arvada–Wheat Ridge and Castle Rock locations. B12 is often paired with our medical weight loss program. To find out if B12 injections are right for you, call (720) 640-2333.

B12 injections require a medical evaluation by a licensed provider. Individual results vary.

Benefits of Vitamin B12 Injections

  • Increased energy — B12 is essential for converting food into usable cellular energy
  • Improved metabolism — supports the metabolic processes that help manage weight
  • Better mental clarity — B12 supports healthy brain and nervous-system function
  • Red blood cell production — B12 is required to make healthy red blood cells that carry oxygen
  • Reliable absorption — injections bypass the digestive tract, useful for people who absorb B12 poorly
  • Mood and stress support — adequate B12 plays a role in the production of mood-regulating neurotransmitters

Who Benefits From B12 Shots?

B12 injections may help people who experience:

  • Persistent fatigue or low energy
  • Brain fog or difficulty concentrating
  • Low B12 levels confirmed by lab work
  • Absorption issues (older adults, vegetarians/vegans, and those on certain medications or with GI conditions)
  • Weight-loss goals, as part of a physician-supervised program

Your provider reviews your symptoms and, when appropriate, lab work to confirm B12 is the right fit before starting.

What to Expect

Before: A brief evaluation of your symptoms, health history, and — when appropriate — B12 lab levels.

During: The injection itself takes only a moment and is given by our medical team in-office.

After: You can return to normal activities immediately. Many patients begin their program with weekly injections and transition to a maintenance schedule as levels stabilize.

B12 Injections in Denver: Frequently Asked Questions

Where can I get B12 injections in Denver?

R2 Medical Clinic offers vitamin B12 injections at our Denver office at 1873 South Bellaire Street, Suite 1215, Denver, CO 80222, with additional availability at our Arvada–Wheat Ridge and Castle Rock locations. Call (720) 640-2333 to schedule.

How much do B12 shots cost in Denver?

Pricing depends on whether you receive B12 on its own or as part of a wellness or weight-loss program. We're a private-pay clinic with transparent pricing and no hidden fees — call (720) 640-2333 for a current quote before your visit.

What are the benefits of B12 injections?

Vitamin B12 supports energy production, red blood cell formation, nervous-system function, and metabolism. People with low B12 or absorption issues often report improved energy and mental clarity once levels are restored. B12 is also commonly used alongside a physician-supervised weight-loss program.

How often should I get B12 shots?

It depends on your B12 levels, symptoms, and goals. Many patients start with weekly injections and move to a maintenance schedule once levels normalize. Your provider recommends a cadence based on lab results.

Are B12 injections better than oral supplements?

For people with absorption problems, injections deliver B12 directly into the bloodstream and bypass the digestive tract, which can be more reliable than oral tablets. Your provider will help you decide which route fits your needs.

Do I need an appointment for a B12 injection?

Yes. A brief medical evaluation ensures B12 is appropriate for you and helps us tailor dosing. Call (720) 640-2333 or request a consultation online to get started.

Schedule Your Free Consultation

Or call (720) 640-2333