B12 Injectable
Endurance, naturally.
Direct vitamin B12 delivery, bypassing the gut for full absorption. Supports low energy, fatigue and brain fog — and works alongside your metabolic protocol.
Physician reviewed
Personalized protocol
Free discreet shipping
Select your plan
Choose your B12 plan
Choose your supply
Most men feel a lift within days. Lock in your supply upfront.
*Medications only issued when clinically appropriate after provider evaluation. Shape Meds does not manufacture compounded medications. Actual product appearance may differ from images.
The protocol
What is B12 Injectable.
Vitamin B12 (methylcobalamin/cyanocobalamin) is essential for red blood cell production, nerve function and energy metabolism. Injectable delivery bypasses digestive absorption — a common bottleneck for men on GLP-1 therapy, plant-based diets, or those with age-related absorption decline — for a faster, more complete uptake than oral supplements.
Get started
The mechanism
How it works
N°01
Cellular energy production
B12 is a cofactor in mitochondrial energy metabolism, helping convert food into usable ATP — supporting steadier, more sustained energy throughout the day.
N°02
Cognitive & nerve support
B12 supports myelin sheath formation and neurotransmitter synthesis, helping reduce brain fog and support mental clarity and mood.
N°03
Full bioavailability
Injectable delivery bypasses the gut entirely, ensuring complete absorption — especially valuable for men on GLP-1 therapy or with reduced digestive uptake.
N°02 — Outcomes
The results
Transformative results
- 01Noticeable energy lift within 24–72 hours
- 02Reduced fatigue and brain fog
- 03Supports mood, sleep and metabolic function
- 04Ideal complement to GLP-1 and metabolic protocols
- 05Bypasses digestive absorption issues entirely
Your protocol timeline
What you
can expect.
Phase 01
24 → 72 hours
Most men notice an initial energy boost shortly after the first injection.
Phase 02
Weeks 1 → 2
Fatigue reduces further, focus sharpens, and workouts feel more recoverable.
Phase 03
Ongoing
Consistent injections maintain steady energy and support healthy metabolic function long-term.
✦ How it works
Get started in three simple steps
Your personalized treatment plan is just minutes away.
≈ 5 minutes
Share your story
A brief, 100% online health assessment from the comfort of your home.
Within 24 hours
A clinician reviews
Board-certified physicians review your answers and build a tailored plan within 24 hours.
Free shipping
Care, delivered
If a prescription is granted, it ships discreetly to your door — free.
FAQ
Questions,
answered.
Everything you need to know before starting your protocol. Still curious? Our care team is one message away.
01What can I expect with B12 Injectable treatment?
Many men notice an energy lift within 24–72 hours of their first injection, with reduced fatigue and brain fog building over the first couple of weeks of consistent use.
02What are the possible side effects of B12 Injectable?
B12 is generally very well tolerated. Mild injection site soreness or redness can occur; systemic side effects are rare. Your clinician reviews your history before prescribing.
03How is B12 taken?
A quick subcutaneous or intramuscular injection, typically weekly. Your clinician sets the frequency based on your goals and labs.
04Should I take B12 alongside a GLP-1 medication?
Many men on Semaglutide or Tirzepatide add B12 to counter appetite-related nutrient gaps and support energy through their weight loss protocol. Your clinician can help you decide.
Membership
What's included
One price. Everything you need — prescription, physician care and concierge support.
Treatment + ongoing care
Your prescription plus continuous physician support.
Free delivery to your door
Discreet, fast shipping included with every order.
Online doctor consultation
Evaluated by a licensed U.S. physician — no office visit needed.
Message your provider anytime
Ongoing care and adjustments whenever you need them.
100% money-back guarantee
Full refund if you're not approved for treatment.