Vitamins & Supplements

Vitamin B12 Benefits and Best Sources

Close-up of Delicious Food

Also known under the name cobalamin cobalamin, vitamin B12 is a vital vitamin that assists in the performance of many vital bodily functions. It’s an liquid vitamin that’s absorbed into your stomach before making its way into the bloodstream and cells.
Although this vitamin isn’t something the body produces naturally There are ways to fill in the gap. Because B12 is found naturally in numerous species of animal foods, it’s easy to integrate this vital vitamin into your daily diet.

Why is vitamin B12 good for you?

Vitamin B12 is a key vitamin that plays a variety of functions in your body, with numerous benefits, which include:

Forms healthy red blood cells and DNA

One of the main benefits that vitamin B12 gives is the ability to produce red blood cells.. Why is this so important? Red blood cells transport an oxygen supply to the body. The oxygen transforms into the energy required to ensure that your body is functioning in a healthy and efficient manner.

If your body isn’t receiving enough vitamin B12 Red blood cells grow largerand make it difficult for them to circulate in your bloodstream. This could lead to an ailment known as anemia.

Vitamin B12 can also help your body create DNA which is the building blocks of all your body’s cells.

Helps with brain function

As we age, B12 is essential for brain health. Some studies suggest that this vitamin can help slow the decline in cognitive ability. If you have low vitamin B12 deficiency, the condition may affect your memory and cognitive abilities.

Boosts energy levels

If you’re vitamin B12 levels are normal there’s not much research suggesting that the consumption of vitamin B12 can boost your energy levels. However, if you’re not currently vitamin B12 deficient If you’re reading this, it’s likely that you’re suffering from fatigue and weakness. It’s a good idea to make it a priority to consume more vitamin B12-rich foods is a fantastic way to combat fatigue and weakness. boost your energy If your system is not functioning properly.

May reduce risk of macular degeneration

There is also evidence that if you develop Vitamin B12 deficient, you could increase the chance of developing the age-related degenerative macular (AMD), which is a slow kind of loss of vision that is common for those over 50.
Since vitamin B12 plays such an important function in supporting well-functioning red blood cells adding more of it in your diet can help decrease the risk of developing it.

Who Is at Risk of Vitamin B12 Deficiency?

About around 6% of those within the US and UK over 60 suffer from vitamin B12 deficiency. About 20% suffer from low to average or even borderline deficiencies.

Vitamin B12 deficiency may occur through two different ways. The reason is that either your diet does not contain sufficient quantities of it, or your body isn’t able to absorb it fully through the meals that you consume.

The people at risk of vitamin B12 deficiency include:

  • Older adults
  • People suffering from digestive disorders that affect the gastrointestinal tract, for example, celiac disease or Crohn’s disease
  • People who have had surgery for gastrointestinal issues, such as bariatric or surgical bowel resection
  • People on a strict vegan diet
  • Patients who take metformin to help with blood sugar control
  • People who are who are taking proton pump inhibitors to treat chronic heartburn

For many people who are older the production of hydrochloric acids in the stomach decreases and this results in a decrease in absorption and utilization of vitamins B12.

If your body is having difficulty absorption of vitamin B12 The doctor could suggest intramuscular injections of vitamin B12 to boost the amount of vitamin B12.

Vitamin B12 can only be found by nature in products made from animals.

While some plant-based dairy products or grains might be fortified with vitamin B12 Vegan diets are typically lacking in this vitamin, which puts people at risk of having a deficiency.

If you are eating a balanced diverse diet, stopping the vitamin B12 deficiency will be simple. If you suspect you could have a risk of developing it, talk with your physician.

Vitamin B12 deficiency can often be prevented or treated through intramuscular or oral injections.

What are the best sources of vitamin B12?

 Animal liver and kidneys

Organ meats are among the most nutritious food sources. Kidneys and livers, particularly from lamb, are high of vitamin B12.

The 3.5-ounce (100-gram) portion lamb’s liver contains the staggering 3,571 percent daily value (DV) for vitamin B12.

Although lamb liver is typically more vitamins B12 over beef, veal or beef livers however, these two livers may still have around 3000% of the daily value per 3.5 grams (100 grams).

Lamb’s liver is rich in selenium, copper as well as vitamin B2 and vitamins A.

Lamb, veal kidneys from beef and lamb are rich in Vitamin B12. Lamb kidneys are able to provide 3000% of the DV in a 3.5-ounce (100-gram) portion as well as more than 100 percent of the DV of selenium and vitamin B2.


Sardines are small soft-boned saltwater fish that are small and soft-boned. They’re typically in cans of water, oil or sauces. However, they can also be purchased fresh. Sardines are particularly nutritious as they are rich in all the nutrients.

One cup (150-gram) portion of sardines that have been rinsed contains 554% of DV in vitamin B12.

Additionally, sardines are fantastic sources of Omega-3 fats that have been proven to have numerous health benefits, like increasing the health of your heart.


Beef is a great food source for vitamin B12.

One flat iron steak that is grilled (about 180 grams) is a good source of 467 percent of the DV for vitamin B12.

The same quantity of meat contains sufficient quantities of B2 as well as, B3 and B6, in addition to more than 100 percent in the DVs for zinc and selenium.

If you’re seeking greater levels of vitamin B12 It is recommended to pick cuts of meat with low fat. It’s also recommended to roast or grill it instead of cooking it to keep the B12 amount.

Fortified cereal

The source for vitamin B12 could be beneficial for vegans and vegetarians as it’s manufactured synthetically and is it is not made from animal products .

Although they are not typically considered to be an element of a healthy diet Fortified cereals can be an excellent source for B vitamins, particularly B12. Fortification of food involves adding vitamins not present in the food.

For example, Malt-O-Meal Raisin Bran offers up to 62% of DV Vitamin B12 within a cup (59 grams).

This cereal is also packed with 29 percent of DV of vitamin B6 as well as high amounts of folate, vitamin A and iron.

Research suggests that eating fortified cereals on a daily basis aids in increasing the vitamin B12 concentrations.

A study revealed that when people consumed 1 cup (240 milliliters) of fortified cereal that contained 4.8 milligrams (200 percent of the daily value) of vitamin B12 every day for 14 weeks Their B12 levels increased significantly.

If you decide to opt for enhanced cereals to boost the amount of vitamin B12 you consume ensure you select an item that’s not high in added sugar, and also high in fiber or whole grains.


Tuna is a popular fish that’s a rich source of nutrients that include proteins, vitamins, as well as minerals. It is a rich source of vitamin B12 particularly in the muscles that are located under the skin, which are also known as dark muscle.

An 3.5-ounce (100-gram) portion of cooked tuna has 453 percent of DV for vitamin.

The same serving size contains a substantial amount of protein that is lean and phosphorus, selenium and vitamins B3 and A.

Tuna canned in a can also has an adequate amount in vitamin B12. In reality the container (142 grams) of tuna that is light canned in water is 15% of daily value.

Fortified nutritional yeast

Nutritional yeast is an excellent vegan source of vitamins, protein, and minerals. It’s a type of yeast that is specifically cultivated to be used for food and rather than as a leavening agent for beer and bread.

Nutritional yeast doesn’t naturally have vitamin B12. But, it is often supplemented, making it an excellent source of the nutrient.

Like fortified cereals, Vitamin B12 found in nutrition yeast is vegan since it’s a synthetic.

 Tablespoons (15 grams) of nutritional yeast could be containing up to 733% from the DV of vitamin B12.

In one study researchers included nutritious yeast in the raw diets of raw vegans. They discovered that it raised the vitamin B12 blood levels, and helped lower blood markers that indicate B12 deficiency.


Rainbow trout is thought to be one of the fish that is the healthiest. The freshwater species is an excellent source of nutrients, protein, healthy fats and B vitamins.

The 3.5-ounce (100-gram) portion of trout fillets provides about 312% daily requirement for vitamin B12 as well as 1,171 mg of omega-3 fats.

Experts for adults suggest the daily intake of between 1,100 and 1,600 mg omega-3 fats.

Trout is also an excellent source of minerals like manganese, phosphorus, as well as selenium.


The salmon is famous for being one of the best levels of omega-3 fats. It’s also a great food source for B vitamins.

A half-fillet (178 grams) of salmon cooked contain 208% of DV of vitamin.

The same portion could offer the equivalent of 4,123 mg of omega-3 fat acids.

In addition to its amount of fat, the fish provides an abundance of protein, as much as 40 grams of protein per portion of a filet (178 grams).

Milk and dairy products

Milk and dairy products, like cheese and yogurt are excellent sources of protein, as well as several minerals and vitamins, including vitamin B12.

One cup (240 milliliters) from whole milk contains 46percent of daily value for vitamin B12.

It is also a good supply of Vitamin B12. One big slice (22 grams) of Swiss cheese is a good source of around 28 percent from the DV.

Plain yogurt with full-fat may be a great source. It’s even been proven to improve vitamin B12 status for those who are lacking in the vitamin.

Incredibly, research has found that your body absorbs vitamin B12 in dairy and milk products more effectively than the vitamin B12 found in fish, beef eggs or fish.


Eggs are an excellent source of protein complete along with B vitamin, particularly B2 and B12.

2 egg yolks of a large size (100 grams) provide around 46% of Vitamin B12 DV and 39 percent of the DV for vitamin B2.

Studies have shown that egg yolks contain more Vitamin B12 over egg whites. The B12 present in egg yolks is also simpler to absorb. It is therefore recommended to eat eggs in whole form instead of only their whites.

Alongside the recommended dose of vitamin B12 In addition, you’ll also get plenty of vitamin D. Eggs are among the few food items that naturally have it with one-fifth of daily requirement in two eggs.

Should you take vitamin B12 supplements?

Vitamin B12 supplementation is suggested for those who are at risk of developing vitamin B12 deficiency. This includes seniors, women who are nursing or pregnant, vegetarians and vegans as well as those who suffer from digestive issues, as well as those who have undergone stomach surgery.

Similar to the vitamin B12 found in fortified sources the B12 supplementation is synthetic and therefore vegan-friendly.

Vitamin B12 supplements are available in a variety of varieties. You can chew, swallow or drink them, or even place them on your tongue. Healthcare professionals may additionally give you with vitamin B12.

Research has proven that vitamin B12 consumed by mouth as well as injections into muscles are equally effective in recovering B12 levels in people suffering from deficiencies.

A study showed that those with lower amounts of vitamin B12 replenished their reserves within 90 days injections or supplements.

Leave a Comment