Vitamin B12
Vitamin B12
Vitamin B12
B12 is a water-soluble vitamin that has the potential to boost energy levels, reduce fatigue, and speed up metabolism, especially in those who are B12 deficient. Studies suggest that B12 also plays a role in fat metabolism. Low B12 levels may be linked to obesity.

Can I Buy B12 from Invigor Medical?

Patients can purchase B12 with an included prescription consultation with a doctor.
Clinical Formula
C63H92CoN13O14P
FDA Designation
Approved
Other Names
methylcobalamin, cyanocobalamin
Category
For Use By
Delivery Method

Can I Buy Vitamin B12?


Patients can buy Vitamin B12 with an included prescription consultation. Consult with the doctor via an online Telehealth visit. The medication is then sent directly from the pharmacy to the patient after approval.


Do We Offer Vitamin B12 as part of a treatment plan?
Yes
Increased Energy
Improved energy production
Assist with Weight Loss
Increased metabolic rate

How Does Vitamin B12 Work?

B12 can help you lose weight and keep it off

Obesity, insulin resistance, dyslipidemia, and cardiovascular disease have all been linked to low B12 levels, according to researchers. B12 is involved in the regulation of DNA coding for proteins (epigenetics) as well as many metabolic processes in the cell. There is mounting evidence that B12-DNA interactions regulate lipid metabolism and play a role in fat deposition.

Crucial Vitamin for optimal function

B12 is an essential vitamin because it is obtained entirely through diet. B12 is found in animal products and fortified foods in the diet, but it can also be taken as a supplement. B12 is important in the formation of red blood cells and in regulating gene activity. It is also used to produce myelin, the fatty insulator that surrounds nerve cells that speeds up nerve signaling throughout the body.

Benefits of Vitamin B12


Vitamin B12 supplementation reverses the symptoms of B12 deficiency, which may lead to:
  • Improved memory
  • Improved mood
  • More energy
  • Decrease in weakness and fatigue
  • Improve the health of skin, hair, and nails
  • Reduce homocysteine levels
  • Improved sleep
  • May improve ringing in the ears

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Drug Details

Indications

What is Vitamin B12 used for?

  • Anyone with Vitamin B12 deficiency, including those:
  • Using antacids long-term
  • Having pernicious anemia
  • Having inflammatory bowel disease
  • Taking high doses of folic acid
  • Having lower stomach acid levels due to aging
  • Taking metformin for more than four months
  • Being vegan or vegetarian
  • Using alcohol excessively

Contraindications

When should you avoid Vitamin B12?

  • 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
  • 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.
Vitamin B12 Side Effects

What are the side effects of Vitamin B12?

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:
Common Vitamin B12 Side Effects
  • 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
  • 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.
Rare Vitamin B12 Side Effects

Vitamin B12 Dosage Information

Vitamin B12 Dosage & Frequency

Typical Vitamin B12 Dosage & Frequency
  • 1 ml
  • Daily

References

  • https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/
  • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7400011/
  • https://www.cfp.ca/content/cfp/54/4/536.full.pdf

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