As a routine health booster, a B complex injection can immediately top up the levels of eight different nutrients. In turn, this can improve your mental clarity, increase your energy levels, and bring back the healthy skin of 10 years ago.
But how can this be achieved with a simple injection? The truth lies in the “complex” nature of B-complex vitamins and the domino effects they have on health.

What is vitamin B complex?
The B group of vitamins is a group of eight water-soluble vitamins:
- Vitamin B1 or thiamine, which helps the body break down carbohydrates and amino acids during digestion. It is also an antioxidant.
- Vitamin B2 or riboflavin, which the body uses to kickstart energy production and other metabolic processes.
- Vitamin B3, also known as niacin or nicotinamide, which helps carry energy between the brain and body.
- Vitamin B5 or pantothenic acid, which helps us build other proteins throughout the body.
- Vitamin B6 or pyridoxine, which helps regulate glucose levels, hair and nail growth.
- Vitamin B7 or biotin, necessary for turning fat cells into energy.
- Vitamin B9, often called folate or folic acid, which the body uses when growing and dividing cells, especially when pregnant.
- Vitamin B12, or cobalamin, is needed to make red blood cells, which bring oxygen to every cell of the body – including the brain.
How vitamin B complex helps the body
Literal treatises have been written about the complex interactions between vitamins, body enzymes, and hormones. A single type of B vitamin can be a “precursor” for another hormone, which then ends up in your cardiovascular or immune system.
This is all happening at the cellular level, away from our eyes! As a result, the health benefits of B vitamins can affect almost every system of the body.
For example, vitamin B complex and skin regeneration are tightly linked. Four different B vitamins contribute to the production of collagen, which is necessary to heal wounds and stave off the effects of aging.

Because of their role in brain functioning, B vitamins (especially B12 shots) are often recommended for conditions like Alzheimer’s and Lou Gehrig’s disease, and as a preventative measure for healthy bones, energy, vision, weight loss, heart function, and more.
What symptoms does lack of vitamin B complex have?
As many B vitamins affect energy metabolism (turning nutrients into energy), the first symptom to appear will likely be fatigue and weakness. Its effects on protein synthesis and tissue repair will appear more insidiously and will include a smooth tongue, brittle nails, hair loss, wounds that don’t heal, and frequent mouth sores.
There are three specific B vitamins that can have more serious, even irreversible problems:
- A severe lack of vitamin B3 will cause pellagra. This causes diarrhea, skin irritation, dementia, and eventually, death.
- Lack of folic acid is particularly troublesome for women of reproductive age. It impairs the body’s ability to copy DNA properly, and therefore, it sharply increases the rate of severe birth defects.
- Lack of vitamin B12 causes megalobastic anemia and slows down the nervous system. In turn, this can cause neurological problems, depression, shortness of breath, and memory loss.
Who needs B complex vitamins the most?
Nowadays, severe deficiencies such as pellagra are rare, at least in the United States. Food is plentiful and fortified cereals are everywhere! So then, why is there a market for B12 injections in Beverly Hills?
Turns out, many people are still suffering from what we call “subclinical deficiencies” – that is, nutrients that are lacking just slightly, enough to make us feel out of sorts, but not dramatic enough that a family practitioner can easily detect them.
People at extra risk of developing these minor deficiencies include:
- Anyone with chronic digestive problems, such as irritable bowel syndrome (IBS), because they may not be absorbing many nutrients
- People over 60, who progressively lose the ability to absorb some nutrients
- People who have had a gastric bypass (weight loss surgery)
- People taking other medications for cholesterol or diabetes, which can interfere with food absorption
- Vegetarians and vegans generally have a harder time eating enough vitamin B12
- People with celiac disease, or who follow a grain-free or gluten-free diet, will miss on the artificial fortification we now rely upon
What are the advantages of vitamin B complex injections?
Vitamin B complex injections deliver a combination of all eight types of vitamin B, directly to your system. This allows them to be absorbed much more quickly than a regular supplement would, bypassing your stomach’s acids or any absorption problems you may have.
What is vitamin B complex injection used for?
These shots are the fastest way to deliver a vitamin B complex deficiency treatment of any type. This includes confirmed cases of vitamin B12 deficiency, as well as suspected cases of milder deficiencies.
B complex injection benefits include boosting energy and brain function. It can also help you with chronic skin problems, such as dermatitis, canker sores, or small crack lines on the edges of your lips.

A B-complex shot includes a combination of all types of B vitamins. We can perform bloodwork to check for vitamin deficiencies, but there’s no real harm in extra B vitamins. Because B vitamins are water-soluble, your body doesn’t store extra. Anything your body doesn’t use is excreted through your urine. With a shot of B complex vitamins, your body uses what it needs and discards what it doesn’t.
An all-in-one vitamin B shot is very important because the symptoms of vitamin B deficiencies frequently overlap one another. In some cases, supplementing one B vitamin (such as B7 or folate) can help mask the symptoms of a different deficiency (such as B12 or cyanocobalamin), but it doesn’t completely erase the damage.
Are vitamin B injections safe?
Often, our patients are worried about the possibility of overdosing on vitamin B. In nutrition, it is always possible to get too much of a good thing – so what happens if the B complex shot has more than what you need?
In reality, B complex injections are very safe. B vitamins are all water-soluble, so any excess will usually be excreted with urine. While it is technically possible to overdose on vitamin B, this would take many shots in a single day.
Finally, B-complex injections are given intramuscularly, which is as safe a procedure as it gets. You won’t need an ongoing IV line or any fancy equipment. In our sterile, comfortable clinic, the risk of infection or injury is negligible. Side effects are extremely rare and limited to mild diarrhea.
Why is IV Vitamin Therapy the choice for vitamin B injections in Beverly Hills?
Dr. Nazarian is now offering his vast experience in vitamin therapy in his comfortable Beverly Hills clinic. Here, patients can access a thorough exam that will help them spot which treatment regime will provide them with the most consistent improvements to their health.
This is all done in a soothing and private atmosphere, with strict quality standards, and surrounded by a team that is committed to patient satisfaction. This philosophy makes him a top provider of Vitamin B IV and injections in the Greater Los Angeles Area.
Where can I get vitamin B injections near me?
We serve patients near Beverly Hills, Bel Air, West Hollywood, Santa Monica, West Los Angeles, Culver City, Hollywood, Venice, Marina del Rey, Malibu, Manhattan Beach, Redondo Beach, Downtown Los Angeles, Encino, Woodland Hills, Sherman Oaks, Calabasas, Burbank, Glendale, Hidden Hills, Agoura Hills, Northridge, North Hollywood, Topanga, Canoga Park, Reseda, Valley Glen, Chatsworth, West Hills, Winnetka, Universal City, Silverlake, Echo Park, and many more.
To book an appointment, call us at 855-999-5577.
Frequently Asked Questions about Vitamin B complex shots
Where do you inject B complex?
Just like most intramuscular injections, B complex shots are usually given in the upper arm or in the glutes.
What is the difference between B complex injection and B complex tablets?
B complex tablets are cheap and can be found in almost any pharmacy. However, they are often significantly less effective than an injection. There are several reasons for this:
- First, there’s a limit to the capacity of an easy-to-swallow tablet. Generally, most tablets and capsules have smaller dosages than an injection.
- Tablets are often carried around purses, exposed to heat, or left to linger in moist cabinets. All these environmental circumstances can degrade the contents, making them lose potency.
- Oral vitamin supplements also need to go through your digestive system and your liver. The minute a tablet enters your stomach, your gastric juices will destroy some of the contents. If you have malabsorption problems (for example, if you suffer from IBS), most of the tablet’s contents will pass directly into your stool.
It takes a while to digest a tablet. Once you account for all the contents lost on each step, you are looking at several days of slight improvements. Injections, on the other hand, often provide radical, next-day differences in energy levels.
What is the vitamin B complex injection dosage for adults?
Each shot contains just 2 mL of fluid, with 100% of the recommended daily allowance (RDA) of each vitamin).
How often should I take vitamin B complex injections?
This will depend on you, your symptoms, and your risk factors. Most patients feel immediately better after one or two days, and then receive a boost every three or four months. If you have malabsorption problems or a gastric bypass, you may need them as often as once a month.