What Is Vitamin B12?
Vitamin B12 is present in many dietary sources , such as: meat
fish
eggs
dairy products
nutritional yeast
some fortified foods In animal-based foods, vitamin B12 binds to the protein molecules. During digestion, stomach acid causes it to separate from the protein, and a substance called intrinsic factor enables the bloodstream to absorb it. These people may need vitamin B12 shots to reduce their risk of deficiency, which can lead to pernicious anemia.
Side Effects
T the injection site, mild diarrhea, itching, or a feeling of swelling all over the body may occur. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. People who have a rare blood disorder (polycythemia vera) may rarely have symptoms related to this disorder while taking cyanocobalamin.
Seek immediate medical attention if any of these rare but very serious symptoms occur: chest pain (especially with shortness of breath), weakness on one side of the body, sudden vision changes, trouble speaking. A very serious allergic reaction to this drug is rare. This is not a complete list of possible side effects.
In Canada – Call your doctor for medical advice about side effects.
What Is Vitamin B12 And What Does It Do?
Chemically, vitamin B12 can exist in a number of different forms, but all of them contain the mineral cobalt. The vitamin can be stored in the liver for a long time, so it may take a few years for a deficiency to develop Bottom Line: Vitamin B12 is a water-soluble vitamin that plays an important role in brain function and red blood cell production.
Covid-19: Advice, Updates And Vaccine Options
Vitamin B-12 is a water-soluble B complex vitamin found naturally in a variety of foods, including meat, fish and dairy products. Vitamin B-12 is also added to some foods and is available as a dietary supplement.
Some weight-loss clinics offer vitamin B-12 injections as part of their weight-loss programs. But unless you have a vitamin B-12 deficiency, vitamin B-12 injections aren’t likely to give you an energy boost. If you take metformin, talk to your doctor about strategies to maintain adequate B-12 levels.
Getting large amounts of vitamin B-12 through vitamin B-12 injections isn’t likely to harm your health. But vitamin B-12 can interfere with the effectiveness of some medications, so if you receive vitamin B-12 injections, be sure to let your doctor know. If you’re hoping to lose weight, resist the lure of quick and easy solutions.
Enjoy healthier foods in appropriate quantities and include physical activity in your daily routine. Email ErrorEmail field is required ErrorInclude a valid email address Learn more about Mayo Clinic’s use of data. To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you.