Recent research has revealed that there is a link between vitamin B12 deficiency and obesity.

Vitamin B12 injections aid in treating Vit B12 deficiency and consequently reversing non-permanent side effects. That includes possible weight gain.

It is important to note that taking Vitamin B12 supplements in oral or injection form has not been scientifically associated with weight loss in healthy people who do not suffer from Vit B12 deficiency.

However, having Vit B12 deficiency could be related to weight gain, metabolic syndrome, and a higher BMI. Hence, treating the defect will result in indirectly improving these issues and your ability to lose weight once your vitamin b12 blood serum level is back to normal range.

This article will explain everything you need to know about vitamin B12 and its importance in metabolism and weight management.

What is a B12 shot? B12 shots are intramuscular or intravenous vitamin B12 injections that contain high doses of the B12 vitamin. They act both quickly and effectively to alleviate the symptoms of vitamin B12 deficiency, especially when it comes to weight management.

What Does a Vitamin B12 Shot Do?

Vitamin B12 injections or shots work to alleviate the effects of a deficiency in B12.

One telltale sign of this deficiency is pernicious anemia, which is a condition characterized by an extremely low red blood cell count. Red blood cells are responsible for transporting oxygen to tissues all over the body.

Consequently, low levels of red blood cells result in your tissues getting deprived of oxygen.

This could harm your energy levels and metabolism, and consequently, your ability to manage your weight.

Vitamin B12 shot

What are the Benefits of Vitamin B12 Shots?

The following are some of the vitamin B12 shots benefits you can expect.

  • Increased Energy Levels

This effect can be attributed to B12's ability to enhance the synthesis of red blood cells.

With more red blood cells in your blood, your tissues get to enjoy sufficient levels of oxygen. Oxygen is a critical component of energy production. Consequently, you will find yourself more enthusiastic about taking on tasking activities, such as workouts.

  • Boosted Metabolism

Studies have shown that vitamin B12 has a significant role in metabolizing lipids and proteins. A study on older men and women who took a multivitamin/multimineral that included vitamin B12 supplement for 8 weeks experienced a significant decrease in homocysteine levels.

Other results from several randomized controlled trials indicate that combinations of vitamin B12 and folic acid supplements decrease homocysteine levels in young women with diabetes and people with vascular disease.

Additionally, a 2018 study on  346 participants, have found that elevated levels of serum vitamin B12 showed a lower prevalence of metabolic syndrome in comparison to those who had lower levels of this vitamin.

Further, another 2019 research study conducted on 9,075 participants aged ≥20 years in the US National Health and Nutrition Examination Survey 2011–2014 concluded that higher serum vitamin B12 levels were inversely associated with obesity.

  • Better Sleep

Even though the science behind this is not yet well understood, one of the most common vitamin b12 injections benefits that people experience is better sleep.

It is believed that it could be due to the vitamin's ability to regulate cells, as well as their metabolic cycles.

With higher energy levels, you will accomplish so much during the day that your body will be tired and ready for rest during the night. Besides, getting enough sleep is one of the best ways of maintaining high energy levels throughout the day.

  • Reduced Stress Levels

Several studies have investigated the relationship between stress and vitamin B complex, particularly vitamin B12. A 2019 systematic review has concluded that Vitamin B supplementation has benefited people suffering from daily stress and helped decrease stress levels in both healthy people and those suffering from a deficiency.

What are The B12 Injection Side Effects?

B12 injection side effects are rare.

Remember, B12 is a water-soluble vitamin. Hence, it is usually flushed out with other waste products during excretion. As a result, it is nearly impossible for B12 levels to accumulate to a point where they become toxic to you.

Nonetheless, some individuals might be sensitive to these shots. This is why you should always consult a physician before getting them. This is also a chance for you to know of any B12 injection side effects that you might be vulnerable to.

4 Best Non-Injectable B12 Weight Loss Supplements

While non-injectable B12 weight loss supplements might not be as potent as their injectable counterparts, they can be quite effective as well. Four of the best B12 weight loss supplements on the market today include:

1. LiveWell B12

With each serving containing approximately 5000mcg, LiveWell B12 is arguably the most potent non-injectable B12 supplement for weight loss on the market today. This supplement consists mostly of methylcobalamin, which is the most bioavailable form of B12. It is free of gluten, dairy, soy, GMO, and shellfish.

LiveWell B12 helps to boost energy, immune function, and memory. You consume it sublingually.

2. TwinLabs B12 Dots

B12 Dots by TwinLabs is an effective B12 weight loss supplement. It delivers the vitamin directly into your bloodstream. To consume it, simply place a dot under the tongue and the mucous tissue in your mouth will absorb it. Each dot contains 500mcg of B12.

3. Vegansafe B12

This supplement does not contain any extraneous ingredients, hence, making it one of the safest B12 supplements out there. What’s more, it is fast-acting, as it comes in liquid form for quick absorption. Each serving contains at least 2,500mcg of B12.

4. Transparent Labs Vitamin B-Complex

Vitamin B complex

This supplement consists of the entire range of B vitamins. As such, in addition to giving you the benefits of B12, such as an increase in energy and metabolism, it also allows you to experience the benefits of the other B vitamins, such as better brain health, improved eyesight, optimal nerve function, and better digestion.

And with over 1,000mcg of B12 per serving, Transparent Labs' Vitamin B-Complex ensures that you enjoy all the benefits that B12 has to offer.

Therefore, this supplement is ideal for those looking to improve their overall health.


Can I Take B12 Shots for Weight Loss?

As mentioned earlier, if you are a healthy person with no deficiency, then B12 shots will not be your magical solution. Only regular exercise and healthy eating can guarantee you the results you want in this situation.

However, if you found after conducting laboratory investigations that you suffer from low serum levels of vitamin B12, then definitely B12 shots could be a great help in improving your overall health. They may also assist you with weight loss and maintaining a healthy weight.

Vitamin B12 for weight loss


Final Word

As mentioned, there is an established link between vitamin B12 deficiency and weight gain.

As such, if you are struggling to lose weight, you should consider running a B12 test to check your B12 levels. If you establish that you have a deficiency, then discuss with your physician the need for prescription B12 injections to treat the deficit and prevent any long-term irreversible damage.

Can I Get B12 Shots Near Me?

When looking for B12 injections near you, your first action should be to do a Google search. Use search phrases such as “B12 shots near me” or “B12 injections near me” to find providers close to you. In addition to your physician clinic, B12 weight loss shots are typically administered in weight loss clinics or medical spas. They usually come with exercise and diet plans to enhance their effectiveness. Nonetheless, some B12 weight loss shots providers might not be qualified physicians. Therefore, always ensure that you check the credentials of a provider before you buy B12 injections from them.

How Does Vitamin B12 Give You Energy?

Vitamin B12 promotes the synthesis of red blood cells. Red blood cells are responsible for transporting oxygen throughout the body. Oxygen is the fuel that the body uses to burn calories. Therefore, an increase in oxygen levels in the body results in a direct increase in energy levels.

Are B12 Shots Safe?

B12 shots are generally safe, no major side effects have been reported due to injections, however if you are suffering from Leber's disease (an inherited form of vision loss). Cyanocobalamin (Vit B12) can lead to optic nerve damage (and possibly blindness) in people with Leber's disease. You should not use Vitamin B12 if you are allergic to any form of vitamin b12 such as cobalt or cyanocobalamin.

Where to Inject B12 Shots

B12 injections are typically administered in areas with a significant amount of subcutaneous fatty tissue, such as the abdomen, thighs, or buttocks. Pain/redness at the injection site, mild diarrhea, itching, or a feeling of swelling all over the body may occur. If any of these effects persist or worsen, tell your physician immediately.

Should I Run a B12 Test Before Vitamin B12 Weight Loss Injections?

Unfortunately, most people who have a B12 deficiency are not even aware that they have the problem. As a result, their weight loss efforts are often futile, as they are not addressing the root of their problem. The only way to know whether you have a vitamin B12 deficiency is by running a B12 test.

Is there a Difference between Vitamin B Complex Injection and B12 Injections?

The most significant difference between vitamin B Complex injections and B12 weight loss injections is that the former gives you a dose consisting of all B vitamins, while the latter consists solely of the B12. Nonetheless, most B-Complexes consist of B6 and B12 shots. Therefore, your choice will depend on your needs. B12 injections are ideal for people with vitamin B12 deficiency, while the vitamin B complex injection is for those looking to boost their overall vitamin B levels for better health.

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