Vitamin B-12 Tablet: Uses, Side Effects, and Other Health Benefits

Vitamin B-12 Tablet Uses, Side Effects, and Other Health Benefits

Vitamin B-12 Tablet: Uses

what b12 is used for ?
Also see the section on Precautions. Cyanocobalamin is a man-made version of vitamin B12 that is used to prevent and cure vitamin B12 deficiency. The majority of people consume adequate vitamin B12 through their food. Vitamin B12 is necessary for the proper functioning of your metabolism, blood cells, and neurons. A severe vitamin B12 shortage can lead to anemia (a lack of red blood cells), stomach/intestinal issues, and lifelong neurological damage. Intestinal/stomach disorders, poor nutrition, cancer, HIV infection, pregnancy, old age, and alcoholism are all examples of vitamin B12 insufficiency. It can also happen to persons who eat a completely vegetarian (vegan) diet.

Vitamin B-12 Tablets: How to Use

when is the best time to take vitamin b12 ?
If you’re self-treating using an over-the-counter remedy, make sure you read all of the guidelines on the packaging before using it. Consult your pharmacist if you have any queries. If your doctor has prescribed this medicine, follow his or her instructions.

Take this medicine by mouth once a day, with or without food, or as instructed by your doctor or on the product label. To get the most out of this product, use it on a daily basis. Take it at the same time every day to help you remember.

The dose is determined by your medical condition, treatment response, and laboratory results. For further information, talk to your doctor or pharmacist.

Cyanocobalamin (vitamin B12) comes in a variety of brands and forms. Because the quantity of cyanocobalamin (vitamin B12) in each product may change, read the dose directions for each product carefully.

If you’re taking this medication in liquid form, use a specific measuring device/spoon to accurately measure the dose. If you use a regular spoon, you could not obtain the right dose. Before each dose, certain liquid brands may require you to shake the bottle well.

Do not crush or chew the extended-release pills if you are taking them. This can cause the entire medicine to be released at once, raising the chance of unwanted effects. Also, unless your doctor or pharmacist directs you to, do not divide extended-release tablets unless they have a score line. Without crushing or chewing, swallow the full or divided pill.

If you’re taking a chewable pill, chew it completely before swallowing it.

If you’re taking fast-acting tablets, dissolve them in your tongue with or without water as advised by your doctor or the product box.

Vitamin C (ascorbic acid) might reduce the absorption of vitamin B12. Large quantities of vitamin C should not be taken within one hour of taking this product.

Seek medical help right once if your ailment persists or worsens, or if you suspect you have a significant medical problem.
Preventing falls is important. In older persons who are already taking vitamin D, combining folic acid with vitamin B12 by mouth does not appear to reduce falls.

Bones that be weak and brittle (osteoporosis). In elderly persons with osteoporosis, taking vitamin B12 and folic acid by mouth, with or without vitamin B6, does not appear to decrease fractures.

Physical abilities of older people. Taking vitamin B12 and folic acid by oral does not appear to assist elderly adults enhance their physical function.

There is some interest in utilizing vitamin B12 for other uses, but there isn’t enough trustworthy evidence to indicate if it would be beneficial.

Vitamin B-12 Tablet: Side Effects

what are the benefits and side effects of vitamin b12 ?

can vitamin b12 raise blood pressure ?

There are normally no negative effects with this product. If you have any unexpected side effects, call your doctor or pharmacist right away.

If your doctor has prescribed this drug, keep in mind that your doctor has determined that the benefit to you outweighs the risk of adverse effects. The majority of people who use this medicine do not have any substantial adverse effects.

When your body generates new red blood cells, this medicine may induce low potassium levels in the blood (hypokalemia) if you have severe anemia. If you have any of the following unlikely but dangerous side effects: muscular cramps, weakness, or an abnormal heartbeat, contact your doctor straight once.

This medicine seldom causes a severe allergic response. However, if you detect any symptoms of a major allergic response, such as a rash, itching/swelling (particularly of the face/tongue/throat), extreme dizziness, or problems breathing, seek medical help right once.

This isn’t an exhaustive list of potential adverse effects. Contact your doctor or pharmacist if you have any other side effects not listed above.
Vitamin B12 is probably safe for most individuals when taken by mouth. Even at big dosages, vitamin B12 is considered safe.

When applied to the skin, Vitamin B12 is probably safe for the majority of individuals if administered correctly.

Vitamin B12 sprayed into the nostril is probably harmless for most individuals. Even at big dosages, vitamin B12 is considered safe.

Vitamin B-12 Tablet: Precautions

If you are allergic to cyanocobalamin, any type of vitamin B12, cobalt, or any other substance, notify your doctor or pharmacist before taking it. Inactive chemicals may be included in this product, causing allergic reactions or other issues. For further information, speak with your pharmacist.

Consult your doctor or pharmacist before using this drug if you have any of the following health problems: gout, iron or folic acid deficiency anemia, low potassium blood levels, a specific eye condition (Leber’s optic neuropathy), a specific blood disorder (polycythemia Vera), gout, iron or folic acid deficiency anemia (hypokalemia).

Cyanocobalamin should only be taken by mouth if your body can absorb it effectively. If you have pernicious anemia, food absorption problems, stomach/intestinal surgery (such as gastric bypass or bowel resection), stomach/intestinal disease (such as Crohn’s disease, colitis, diverticulitis, pancreatic insufficiency), or irradiation of the small bowel, you may need a form of vitamin B12 that is injected or inhaled through the nose.

Tell your doctor or dentist about all the products you consume before surgery (including prescription drugs, nonprescription drugs, and herbal products).

When taken at the prescribed quantities, cyanocobalamin is safe to use during pregnancy. Higher dosages should only be used when absolutely necessary. Consult your doctor about the dangers and advantages.

When administered in acceptable amounts, cyanocobalamin goes into breast milk and is unlikely to damage a breastfeeding newborn. Before you start breastfeeding, talk to your doctor.

Most people can prevent vitamin B12 deficiency by eating enough meat, poultry, seafood, dairy products, and eggs.

If you don’t eat animal products, or you have a medical condition that limits how well your body absorbs nutrients, you can take vitamin B12 in a multivitamin or other supplement and foods fortified with vitamin B12.

If you choose to take vitamin B12 supplements, let your doctor know, so they can tell you how much you need, or make sure they won’t affect any medicines you’re taking.

Vitamin B-12 Tablet: Interactions

If you take other medications or herbal items at the same time, the effects of some pharmaceuticals may alter. This can put you at risk for major side effects or prevent your medications from working properly. These medication interactions can happen, but they don’t usually happen. Changes in how you take your medications or regular monitoring by your doctor or pharmacist can frequently avoid or control interactions.

Before beginning therapy with this product, be sure to inform your doctor and pharmacist about all the items you take (including prescription pharmaceuticals, nonprescription drugs, and herbal products) so they can provide you with the best care possible. Do not start, stop, or change the dosage of this product while using it. or change the dosage of any other medicines you are using without your doctor’s approval.

Drugs that influence the bone marrow (such as chloramphenicol), as well as vitamins and supplements containing intrinsic factor, may interact with this medication.

Colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), and heartburn medications (such as H2 blockers such as cimetidine/famotidine, proton pump inhibitors such as omeprazole/lansoprazole) can all reduce vitamin B12

Vitamin B12 is a common element in multivitamins and nutritional supplements. If you’re taking any other drugs that include cyanocobalamin, vitamin B12, or hydroxocobalamin, tell your doctor or pharmacist.

Certain laboratory tests (including intrinsic factor and blood tests for other kinds of anemia) may be affected by cyanocobalamin, potentially leading to erroneous test findings. Make sure your laboratory workers and all of your doctors are aware that you are taking this medication.

Certain medicines may interfere with vitamin B12 testing in the lab, resulting in erroneous findings. If you take any of the following medications, tell your laboratory workers and all of your doctors: Antibiotics (such as amoxicillin and erythromycin), methotrexate, and pyrimethamine are all examples of antibiotics.

This list does not include all potential medication interactions. Make a list of everything you’re using. To reduce your chance of major prescription issues, share this list with your doctor and pharmacist.


Call 911 if someone has overdosed and is experiencing significant symptoms like as passing out or having problems breathing. Otherwise, contact a poison control center as soon as possible. Residents in the United States can contact their local poison control center by  1-800-222-1222. Residents of Canada can contact a poison control facility in their province.


Keep all of your doctor’s and lab visits.

To monitor your progress or check for adverse effects, laboratory and/or medical tests (such as vitamin B12 levels, complete blood count, and blood potassium levels) may be conducted. For further information, talk to your doctor.

It’s important to remember that getting your vitamins and minerals through food is the best way to go. Follow your doctor’s dietary recommendations and eat a well-balanced diet. Meat, poultry, shellfish, eggs, milk, and other dairy items are high in vitamin B12.

Dose Missed

If you forget to take a dosage, do so as soon as you recall. If the next dosage is approaching, skip the missing dose. Take your next dosage at the same time every day. To catch up, do not increase the dose.


This product should be kept away from light and moisture at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Keep out of the bathroom. The storage requirements for various brands of this drug may vary. Ask your pharmacist or check the product label for precise directions on how to keep your brand. All pharmaceuticals and herbal items should be kept out of reach of children and pets.
Unless otherwise directed, do not flush or spill drugs down the toilet or into a drain. When this product has expired or is no longer needed, properly dispose of it. For further information on how to securely dispose of your product, contact your pharmacist or a local trash disposal firm.

Vitamin B12 Food Sources

Vitamin B-12 Tablet Uses, Side Effects, and Other Health Benefits
Vitamin B-12 Tablet Uses, Side Effects, and Other Health Benefits

Vitamin B12 is found in animal diets that are naturally fortified with it, as well as fortified foods.

Dairy products, eggs, fish, meat, and poultry are all animal origins. Check the Nutrition Facts label on a product to see if it’s fortified with B12.

Deficiency in Vitamin B12

The majority of people in the United States obtain enough of this vitamin. If you’re not sure, ask your doctor if a blood test to assess your vitamin B12 level is necessary.

It may become more difficult to absorb this vitamin as you become older. It can also happen if you’ve undergone weight reduction surgery or another procedure that removed part of your stomach, or if you consume a lot of alcohol.

If you have any of the following, you may be at risk for vitamin B12 deficiency:

  • Atrophic gastritis is characterized by a thinner stomach lining.
  • Pernicious anemia is a kind of anemia that makes it difficult for your body to absorb vitamin B12.
  • Crohn’s disease, celiac disease, bacterial growth, or a parasite can all influence your small intestine.
  • Misuse or excessive consumption of alcohol can make it difficult for your body to absorb nutrients and hinder you from consuming enough calories. Glossitis, or a swollen, inflamed tongue, is one symptom of a B12 deficiency.
  • Graves’ illness and lupus are examples of immune system diseases.
  • Have you been taking any drugs that limit B12 absorption? Proton pump inhibitors (PPIs) such as esomeprazole (Nexium), lansoprazole (Prevacid), omeprazole (Prilosec OTC), pantoprazole (Protonix), and rabeprazole (Aciphex), as well as H2 Blockers such as cimetidine, are examples.

Vitamin B12 deficiency can also occur if you adopt a vegan diet (which excludes all animal products, including meat, milk, cheese, and eggs) or if you are a vegetarian who does not consume enough eggs or dairy products to satisfy your vitamin B12 requirements. In each of these circumstances, you can satisfy this demand by eating fortified foods or taking supplements. Learn about the many forms of vitamin B pills available.

Pregnant or New Mom?

Are you a vegan or vegetarian pregnant lady who intends to exclusively breastfeed your child? Before you deliver your baby, speak with your doctor to make sure you have a strategy in place for getting enough vitamin B12 to keep your infant healthy.

If your infant doesn’t get enough vitamin B12, he or she may experience developmental delays and fail to thrive and grow as they should.

Vitamin B12 Deficiency Symptoms
You might get anemic if you don’t get enough vitamin B12. A slight deficit may be unnoticed. However, if left untreated, it can cause symptoms such as:

  • Weakness, exhaustion, or dizziness
  • Shortness of breath and heart palpitations
  • Skin that is pale
  • A well-knit tongue
  • Constipation, Diarrhea , loss of appetite, or gas are all symptoms of a digestive problem.
  • Numbness or tingling of the nerves, muscular weakness, and
  • issues with walking
  • Loss of vision
  • Depression, memory loss, and behavioral issues are all examples of mental health issues.
  • changes


You’ll need vitamin B12 injections at first if you have pernicious anemia or have difficulties absorbing it. After that, you may need to continue getting injections, take large amounts of a supplement by mouth, or get it nasally.

You have choices if you don’t eat animal products. If you are low in vitamin B12, you can adjust your diet to include vitamin B12-fortified cereals, a supplement, B12 injections, or a high-dose oral vitamin B12.

Vitamin B12 insufficiency in older persons will almost certainly necessitate the use of a daily B12 supplement or a B12-containing multivitamin.

For most people, treatment resolves the problem. But, any nerve damage that happened due to the deficiency could be permanent.

Tags: vitamins

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