Benefits of Vitamin B

The Benefits of Vitamin B12 Shots

Vitamins are organic molecules that have an essential role in body development, healthy human growth, and body function. The body requires fewer amounts of the vitamin, unlike other classes of food. However, that shouldn’t undermine the vital role that vitamins play in body functions. [5] The body requires several types of vitamins for metabolism, and each vitamin plays specific roles that are irreplaceable by other vitamins. The body can synthesize some of the vitamins while others have to be supplied through supplements and diet.

What is Vitamin B12?

Vitamin B12 is a water-soluble vitamin that is also known as Cobalamin. The body requires this vitamin to manufacture red blood cells, for energy, nerves, and manufacturing DNA. The muscular, circulatory, nervous, and digestive systems highly depend on vitamin B12 to function. [3] The liver stores this vitamin, so it takes a few years for a deficiency to develop. Animal foods that contain vitamin B12 include dairy products, fish, eggs, meats, and poultry.

You can source Vitamin B12 from several food sources, specifically animal-based proteins. The body separates this vitamin from the protein during digestion and absorbs it into the bloodstream. Your body requires enough stomach acid to release Vitamin B12 from the animal-based protein, and intrinsic factor is essential in the vitamin absorption. Medical experts recommend a daily intake of about 2.4 micrograms of Vitamin B12 for men and more than 14 micrograms for women. Your doctor might advise a different daily intake of the vitamin for pregnant and breastfeeding mothers. Individuals who are unable to absorb this vital vitamin adequately develop pernicious anemia; a type of anemia resulting from lack of intrinsic factor.

Vitamin B12 Shots

Besides getting Vitamin B12 from food sources, you can acquire vitamin synthetically. The synthetic version of Vitamin B12 is known as cyanocobalamin. Doctors administer the Vitamin B12 shots to boost the vitamin levels to a deficient individual quickly. You can also administer the injections on your own as long as you have the prescription from your physician. Besides the injections, the synthetic version of Vitamin B12 is also available in the form of capsules, liquid, or tablet. Foods, such as non-dairy milk, yogurt, and cereals, can be fortified with the synthetic form of Vitamin B12.

Where is B12 Injected?

Typically, your doctor or nurse can administer Vitamin B12 shots in the upper buttocks or the shoulder. The shot is not as painful as people think. But, it makes your hip sore for a few hours after leaving the physician’s office. The cost of B12 shots varies, depending on the location and medical practitioner. Some of the common side effects of the B12 shots include itching, a strange taste in the mouth, mild diarrhea, and swelling at the injection site.

Who Needs Vitamin B12 Shots?

Individuals who don’t eat animal products are at a higher rate of lacking Vitamin B12. Therefore, they need to incorporate vegan and vegetarian sources of the vitamin to their diet. They can consider adding nutritional yeast, fortified cereals, bread, and plant milk. B12 deficiency is expected in the elderly and people who are unable to absorb enough from food. [1] Other people at risk of B12 deficiency include those who have undergone surgery to remove bowel parts that absorb Vitamin B12, diabetic people who use the drug metformin, and people under long-term antacid medications for heartburn.

Health Benefits of Vitamin B12 Shots

  • Increases Energy Levels

You may require B12 shots if you are always tired even after a night of sleep. Vitamin B12 is integral in the production of red blood cells that are necessary for oxygen transportation and fueling your cells to produce energy. Loss of red blood cell production causes symptoms of low energy and poor concentration. Vitamin B12 shots can help in curbing this problem.

  • Prevent Major Birth Defects

Enough levels of B12 are necessary during pregnancy to help in fetus formation. Research reveals that the nervous system and brain of a fetus require adequate levels of Vitamin B12 from the mother to develop correctly. Lack of B12 during the early stages of pregnancy often increases the risk of congenital disabilities. Maternal B12 deficiency contributes to miscarriage and premature birth.

  • Boosts Immune System

Lack of Vitamin B12 inhibits the production of white blood cells in your body. The cells play a vital role in fighting off infections and maintaining a functional immune system. [4] If you have allergies that you previously didn’t have or fall sick frequently, you may need Vitamin B12 shots.

  • Alleviates Anxiety

B12 helps in fighting depression, mood swings, and loss of focus. The vitamin achieves this by synthesizing dopamine, melatonin, and serotonin. These chemical messengers influence your moods. Therefore, it would pay to get Vitamin B12 shots to defy anxiety and depression.

  • Enhance Sleep Patterns

Foods, such as turkey contain tryptophan, an amino acid that makes people tired. The body also manufactures tryptophan naturally, which assists you to sleep at night. Vitamin B12 plays a vital role in the production of tryptophan. Vitamin B12 shots can help you get a good night sleep.

  • Prevent Osteoporosis

Adequate B12 levels support bone health. Studies reveal that several people with B12 deficiency have lower than the usual bone mineral density. Bones that lack enough mineral density become fragile and delicate over time, increasing the risk of osteoporosis. You may require regular Vitamin B12 shots if you start noticing poor bone health or weak bones.

  • Stop Loss of Specific Hair Types

B12 deficiency causes hair loss in men. [2] When there is inefficient cell metabolism, it becomes difficult for hair growth to occur naturally. Regular Vitamin B12 shots can help restore the ability of your body to metabolize cells and restore average hair growth.

  • Helps with Weight Loss

B12 shots don’t directly assist with weight loss, but they do so indirectly. Some of the benefits of B12 shots, such as increased energy, better sleep, improved mood, and higher metabolism, influence your body to burn fat mass. That explains why people who use Vitamin B12 shots can quickly lose weight.


Most people require one Vitamin B12 shot every seven days. B12 shots can dramatically improve your symptoms in various ways, including better metabolism, increased concentration, and hair growth. These shots have more benefits and are easily absorbed into the body effectively than oral supplements.

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