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B12 Injections

prescription required
10ML Vial – 1 Month

There are many forms of B12. Methylcobalamin shots are the most powerful form of B12 injections that one can buy. Patients who buy B12 Injections from Invigor Medical often notice benefits such as a boost in energy and a reduction in appetite. B12 is known for supporting healthy skin, hair and nails, improving heart health, helping brain function, improving mood, and much more.

Beware of Counterfeit:

The internet is full of counterfeit peptides and other injectables sold on rogue websites. Invigor Medical can provide patients with proof of purity and sterility results. Invigor Medical peptides and other injectables are also prescribed by one of our licensed practitioners, which is required by law.

B12 (Methyl) Injections

Buy B12 Injections Online Today

10 Injections


/ Month


/ Month

Benifits of B12 Injections

There are many forms of B12. Methylcobalamin shots are a powerful B12 injection that is the most active form of B12. Methylcobalamin increases your energy levels and decreases your appetite along with a series of other benefits. Some benefits include a boost in energy and a reduction in appetite. B12 is known for supporting healthy skin, hair, and nails, improving heart health, helping brain function, improving mood, helping with symptoms of depression, supporting bone health, and helping with red blood cell formation. Buy B12 Injections from Invigor Medical with a free medical consultation.


  • Increased metabolic rate
  • Increased strength
  • Improved energy production
  • Improved quality of sleep
  • Helps combat insomnia
  • Increased physical and mental performance
  • Improves immune function
  • Improves skin elasticity
  • Aids in connective tissue repair post-injury
  • Contributes to the health of hair, skin, and nails

Boosts Energy

Improve general well-being and happiness in people with fatigue.

Reduces Depression

B12 has been linked with a lower risk of depression in older men.

Improves Nerve Condition

Long-term administration promotes the regeneration of the sheath around nerve cells.

How to Use B12 Injections

Typical B12 Injection Usage

B12 is often injected 1-3 times per week for best results.

B12 Shot Dosage

Clients will typically take one (1mL) intramuscular injection 2-3 times per week, as directed by the medical provider. Make sure that injection site and top of vial have both been thoroughly cleaned with rubbing alcohol.

Precautions & Side Effects of B12

All medications have side effects. These side effects may vary based on the medication dosages and each person’s sensitivity to the drug ingredients. Side effects due to an allergic reaction to B12 include hives, itching, swelling of your face, lips, tongue or throat, or difficulty breathing. Get emergency help.

Additional side effects from B12 injections may include abdominal or stomach pain, bleeding from the gums or nose, blue lips or fingernails, chest pain, cough, coughing up pink, frothy sputum, decreased urine output, difficulty breathing, difficulty swallowing, dilated neck veins, dizziness, fatigue, eye pain, fast heartbeat, headache, increased sweating, irregular breathing or heartbeat, puffiness or swelling of the face, fingers, feet or lower legs, tightness in the chest, or weight gain. Nausea, vomiting, diarrhea, loss of appetite, or rashes may also occur.

B12 injections can cause low potassium levels. Symptoms of low potassium include muscle cramps, weakness, and irregular heartbeat. Contact a health care provider whenever you experience a side-effect that is severe, concerning, or persistent.

  • Nausea
  • Vomiting
  • Diarrhea
  • Loss of Appetite
  • Headache

Ask The Experts

Frequently Asked Questions
Why is this medication prescribed?
METHYLCOBALAMIN or cyanocobalamin is a human-made form of vitamin B12. B12 is essential for growth, cellular reproduction, blood formation, neurological function, synthesis of DNA, and synthesis of protein and tissue. Symptoms of B12 deficiency include fatigue, weakness, constipation, sore tongue, difficulty walking, depression or mood change, and memory loss. Low B12 levels are more common in people over the age of 65, those with gastrointestinal problems, strict vegetarians, and those who have had bariatric surgery.
What is the success rate for this medication?
The success rate depends on the condition being treated and whether B12 deficiency is present.
Are there any secondary uses for this medication?
B12 injections are used to treat B12 deficiency and pernicious anemia.
How should this medication be used?
B12 is injected intromuscularly at the suggested dose.
What is the typical dosage range for this medication?
he typical dosage for B12 injections is two to three times per week.
Are there any special precautions for using this medication
Before taking B12 injections, tell your doctor about all prescription and nonprescription medications, herbs, and supplements you take. Vitamin B12 injections should not be used if you are allergic to cyanocobalamin or cobalt or if you have an inherited form of vision loss called Leber’s disease. Cyanocobalamin can lead to optic nerve damage, which causes blindness in people with Leber’s disease.
Tell your doctor if you have:
• eye problems or Leber’s disease
• kidney or liver disease
• iron or folic acid deficiency
• any type of infection
• or are receiving any medication or treatment that affects bone marrow.
B12 injections can affect the result of some lab tests. Inform the lab that you are taking B12.
People with the blood disorder polycythemia vera may have very serious side effects from B12 (cyanocobalamin) injections, including chest pain, shortness of breath, weakness on one side, sudden vision loss, or slurred speech.
Colchicine and heavy alcohol intake may interact with Vitamin B 12 injections.
What should I do if I forget a dose?
If you miss a dose, take it as soon as you notice. If it is near the time for the next dose, skip the dose and resume the normal dosing schedule. Do not double up the dose to catch up.
How should this medication be stored?
You can store your vials and ampoules of vitamin B12 cyanocobalamin and B-Complex out of sunlight in a cool room between the stable temperatures 59-86 Fahrenheit or 15-30 Celsius. However, ideal storage temperatures range between 59-77f / 15-25c. The B vitamins should not get near freezing temperatures.
How should this medication or syringes be disposed of?
Ask your health care provider or pharmacist how this medication should be disposed of appropriately.
What brand names is this medication sold under?
Cobal-1000, Cobolin-M, Crystal B-12, Crystamine, Crysti-12, Cyanoject, Cyomin, Depo-Cobolin, LA-12, Neuroforte-R, Sytobex, Vibal, Vita #12, Vitabee 12, Vitamin B12, Vitamin B-12
Are there any special dietary instructions I should follow?
Ask your doctor if you should be taking folic acid while on B12. Avoid heavy alcohol use while using B12 supplements.
B12 Injection

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