- 1 What are vitamin B12 injections for?
- 2 When should you take B12 injections?
- 3 Why would a doctor prescribe vitamin B12?
- 4 What does vitamin B12 bind to?
- 5 What medications should not be taken with B12?
- 6 How long does a B12 injection last?
- 7 What to expect after getting a B12 shot?
- 8 What are the side effects of B12 injections?
- 9 Can B12 injections cause weight gain?
- 10 How do you know if your B12 is low?
- 11 When should I take B12 morning or night?
- 12 What happens when your vitamin B12 is low?
- 13 What’s the best way to absorb vitamin B12?
- 14 What is the most absorbable form of B12?
- 15 Can Vitamin B12 damage your liver?
What are vitamin B12 injections for?
Vitamin B-12 shots are injections that can be prescribed to treat a vitamin B-12 deficiency. A deficiency in this essential nutrient can lead to an array of health problems, ranging from fatigue to permanent neurological changes.
When should you take B12 injections?
The usual dose for pernicious anemia-associated vitamin B12 deficiency is 100 mcg given as an injection into the muscle or under the skin once daily for 6-7 days. Then the dose may be given every other day for 7 doses followed by every 3-4 days for around 3 weeks. Then, 100 mcg should be injected every month for life.
Why would a doctor prescribe vitamin B12?
Vitamin B12 is a nutrient that helps keep the body’s nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food.
What does vitamin B12 bind to?
Vitamin B12 binds to the protein in the foods we eat. In the stomach, hydrochloric acid and enzymes unbind vitamin B12 into its free form. From there, vitamin B12 combines with a protein called intrinsic factor so that it can be absorbed further down in the small intestine.
What medications should not be taken with B12?
Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers
How long does a B12 injection last?
How long will the effects of a B12 shot last? The effects of our shots vary between individuals. Most people feel the effects for about one week.
What to expect after getting a B12 shot?
A few mild side effects are associated with the B12 shots, including pain or redness at the injection site, mild diarrhea, itching, or swelling. While these symptoms are usually nothing to worry about, you are advised to contact your health care professional if they persist or worsen.
What are the side effects of B12 injections?
B12 shot side effects include, but are not limited to:
- Swelling at the injection site.
- Mild diarrhea.
- Swelling in the body.
- Low potassium.
Can B12 injections cause weight gain?
Despite the numerous processes in which vitamin B12 is involved, there’s little evidence to suggest that it has any influence on weight gain or loss.
How do you know if your B12 is low?
Symptoms of Vitamin B12 Deficiency
- Weakness, tiredness, or lightheadedness.
- Heart palpitations and shortness of breath.
- Pale skin.
- A smooth tongue.
- Constipation, diarrhea, loss of appetite, or gas.
- Nerve problems like numbness or tingling, muscle weakness, and problems walking.
- Vision loss.
When should I take B12 morning or night?
You may need to take vitamin B-12 separately from the above drugs and supplements — say, one in the morning and one at night — so you can get the full dose of vitamin B-12. Don’t take vitamin B-12 supplements if you have sensitivities or allergies to vitamin B-12, cobalt, and any other ingredients.
What happens when your vitamin B12 is low?
Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired. Vitamin B12 deficiency can cause damage to your nerves and can affect memory and thinking.
What’s the best way to absorb vitamin B12?
We already know from Harvard that B12 absorption can be increased by taking folate (another B vitamin, this one found in higher amounts in chickpeas, liver, pinto beans, lentils, spinach, asparagus, and avocado, among others).
What is the most absorbable form of B12?
What makes methylcobalamin a superior health supplement? Methylcobalamin the most bio-available form of Vitamin B12, i.e. it is the most readily absorbed.
Can Vitamin B12 damage your liver?
Some studies have indicated that elevated serum levels of vitamin B12 might be a sign of a serious and life-threatening disease. Such falsely high valued of serum vitamin B12 levels are observed in myeloproliferative disease, acute hepatitis, severe alcoholic liver disease, and cirrhosis.