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What Do Real Patients Think? Vitamin D3 Injection Reviews

Medically reviewed by Leann Poston, M.D.

The role that vitamin D plays in your organism is more important than you may think. A deficiency can affect you in more ways than you probably imagine, and that applies to all ages. That’s why many doctors prescribe supplements, either pills or injections, to avoid serious health issues and improve their patients’ overall condition. A quick look at some vitamin D3 injection reviews can convince you of the many benefits this amazing vitamin has.

You probably are familiar with the term the “sunshine vitamin,” maybe because there have been several campaigns and public service announcements encouraging Americans to get out of their house and exercise or get outside for at least 15 minutes a day. While exercise is important, exposure to UV light is also essential for good health.

When your skin is exposed to sunlight, it activates cholesterol in skin cells, which then allows skin cells to convert cholesterol to vitamin D. Especially in the summer months, most people tend to get sufficient vitamin D from spending short periods of time outside. There are also natural dietary sources that can help boost vitamin D levels in our bodies. However, this is not always enough, so some people require additional supplementation of the vitamin. Vitamin D can be supplemented orally or injected intramuscularly, which is typically a faster and more effective route than oral ingestion. The vitamin D3 injection reviews only confirm its effectiveness in boosting vitamin D levels and making users feel stronger and more energetic.

What is Vitamin D3?

Vitamin D is actually a hormone, not a vitamin. Research is still being conducted to determine exactly what vitamin D’s role is in the body and how it affects various symptoms and medical conditions. Vitamin D is involved in numerous metabolic processes and is naturally produced by your body when your skin is exposed to sunlight.

Scientists recommend that people get anywhere from 15 to 30 minutes of sunlight three times a week and suggest that you leave parts of your body uncovered without sunscreen. Sunscreen, especially sunscreens with an SPF over 30, impedes the body’s ability to absorb the sunlight and produce vitamin D. Prolonged exposure to UV rays, however, may be damaging to the skin. Going in the sun for long periods of time can lead to skin cancer, skin aging, heatstroke, and other medical concerns. You should always put on sunscreen if you think you are at risk of sunburn. Other than exposure to sunlight, Vitamin D can also be supplemented through foods, although there aren’t many foods that are rich in the vitamin. Therefore, several foods are enriched with vitamin D.

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Vitamin D is a fat-soluble vitamin, meaning that we store any excess of the vitamin in our bodies, and it can accumulate in excess. Vitamin D actually comes in two forms, vitamin D2, and vitamin D3. Vitamin D2 is known as ergocalciferol and is found in plant-based foods such as mushrooms. Vitamin D3 (or cholecalciferol) is the form of vitamin D your body naturally produces after sunlight exposure. Vitamin D3 can be found in meat, mainly fatty fish like salmon and herring. Studies have shown that vitamin D3 is more effective in raising the levels of vitamin D in your bloodstream than vitamin D2, maybe because it is the form of vitamin D that your body naturally produces. Vitamin D can also be found in red meat, liver, egg yolks, and other fortified foods, such as breakfast cereals and orange juice. The vitamin D content of most foods ranges from 50 to 200 IU per serving, depending on the type of food and size of the serving.

Scientists recommend that you get at least 600 IU of vitamin D intake every day. The recommended amount is less (around 400 IU) for children and gets higher for those adults over 70 years old because your body naturally produces less vitamin D as you get older. It is recommended that older adults get at least 800 IU daily of vitamin D. In your body, Vitamin D helps regulate and maintain the amount of calcium and phosphate. These minerals and nutrients are necessary for bone health, as well as muscle health. Vitamin D plays a key role in keeping teeth healthy as well. If you decide to increase your intake and oral supplements aren’t sufficient, talk to your doctor and go through the vitamin D3 injection reviews before deciding if the injectable version is right for you.

Vitamin D Deficiency: Symptoms

The most common reason people supplement their vitamin D orally or intramuscularly is that they suffer from a vitamin D deficiency. In most cases, the symptoms of a vitamin D deficiency are quite subtle or even nonexistent. In fact, you may not even realize that you are vitamin D deficient unless your doctor orders a blood test to see what the levels of vitamin D are in your bloodstream. Because vitamin D plays such an important role in your body, several signs and symptoms may indicate you have deficient vitamin D levels.

Potential symptoms of a vitamin D deficiency include:

  • Frequent infections
  • Frequent illness, or a weak immune system
  • Fatigue and tiredness
  • Muscle weakness and pain
  • Bone and joint pain
  • Back pain
  • Frequent fractures, sprains, or other bone and muscle injuries
  • Depression
  • Slow or impaired wound healing
  • Bone loss
  • Hair loss

A vitamin D deficiency may look slightly different in children, although a deficiency can still develop at a very young age. In children, symptoms that might indicate a vitamin D deficiency include irritability, lethargy, bone pain or fractures, deformities of the teeth, and developmental delays. It is important to catch a vitamin D deficiency in children before it progresses to something more severe. Severe vitamin D deficiency can lead to more complicated and serious medical conditions, such as rickets.

Vitamin D3 injection reviews can give you an idea of how these symptoms can improve if you choose this form of supplementing your vitamin D3 level.

Vitamin D Deficiency: Causes

There are various reasons that someone might be experiencing a vitamin D deficiency, and some members of the population are at a higher risk of developing a deficiency than others. The main cause of a vitamin D deficiency is not enough exposure to sunlight, which results from a variety of lifestyle choices and based on the location where someone lives.

Some people who are at high risk of a deficiency include:

  • Those who have dark skin because they need more exposure to the sunlight to produce adequate levels of vitamin D
  • People who are elderly, especially those who are over the age of 70
  • People who are overweight or obese.
  • Vegans or people not eating much fish or dairy.
  • People who live far from the equator where there is little sun year-round
  • People who always use sunscreen when going out or who cover their skin when they go outside into the sunlight
  • People who stay indoors (i.e., frail people, people who are housebound, or an institution such as home care)
  • People who work the night shift and sleep during the day
  • Babies who are breastfed, because breast milk might not have adequate levels of vitamin D for the babies to maintain appropriate levels
  • Those with malabsorption issues, who may have trouble absorbing the necessary nutrients needed to produce vitamin D
  • Children from the ages of 1 to 4 years old

If you fall under one of these categories of high-risk populations, you may want to consult with your doctors or contact the telehealth professionals at Invigor Medical and ask them whether a blood test for vitamin D levels would be appropriate. If you do, it is important to supplement your naturally produced or acquired vitamin D levels with additional vitamin D because deficiencies left untreated can lead to serious complications.

Rickets is one example of a condition resulting from a vitamin D deficiency. Although it is rare to happen today, it affects a child’s development of bones, wrists, knees, and other joints. Other diseases connected with low vitamin D levels include cardiovascular disease because vitamin D plays a role in combating inflammation and protecting the heart from strain and damage. Research suggests that low vitamin D levels are also associated with autoimmune diseases such as diabetes, multiple sclerosis, rheumatoid arthritis, and Crohn’s disease.

Treating a Vitamin D Deficiency

The good news is that it is quite straightforward to treat vitamin D deficiency. With additional supplementation either orally or injected, it is easy to boost your vitamin D levels until you have an adequate amount to keep your body functioning appropriately.

Also read – Vitamin D3 Injection Benefits

Especially during the COVID-19 pandemic, people have probably stayed inside much more than they usually do and likely require this extra supplementation. That being said, it may be beneficial for anybody to take about 10 micrograms or 400 International Units (IUs) daily throughout the winter to keep your muscles and bones healthy, regardless if you have a formally diagnosed deficiency or not. Though we always recommend checking with your healthcare provider before taking any medication or supplement.

There are several guidelines when it comes to treating vitamin D deficiency. It is recommended that those who have vitamin D levels under 25 nanomole per liter (nmol/l) receive additional supplementation and those who have blood levels between 25 and 50 nmol/l with symptoms that indicate a deficiency (NIH, 2020).

Adults who have a vitamin D deficiency will require 6,000 IU of vitamin D3 every day for 8 weeks or a higher dosage of 50,000 IU weekly for 8 weeks. During the treatment of a vitamin D deficiency, you will likely receive multiple blood tests so that your healthcare provider can assess whether the levels of vitamin D have adequately increased. After your levels have stabilized, they may recommend “maintenance shots,” which maintain your adequate vitamin D levels. Some healthcare providers may also suggest that those struggling with a vitamin D deficiency also take a calcium supplement to support their bone health and may give other advice about dietary and lifestyle habits.

What Are People Saying? Vitamin D3 Injection Reviews

Many people have had great experiences with vitamin D3 injections. After their healthcare provider discovered a deficiency and determined an appropriate dosage, they scheduled a follow-up appointment to ensure the treatment worked. In fact, one patient used vitamin D3 injections and noticed that her levels jumped from 20 to 60 after consistent vitamin D supplementation. One vitamin D3 injection reviewer states they had been struggling with swollen joints, pain, muscle weakness, and was finding it hard to move around before she started taking supplemental vitamin D. After, however, she felt stronger, and her pain decreased significantly. Another patient noted that she was more energetic and was excited that she was no longer dealing with exhaustion.

Unfortunately, vitamin D supplementation is not the right solution for every patient. Some patients report chest tightness, heart-pounding, and feeling “weird” after taking vitamin D injections. Other side effects that patients who left vitamin D3 injection reviews noticed include shakiness, dizziness, fatigue, and painful cramps in the patient’s hands, feet, and legs. One user suggested that the uncomfortable symptoms associated with vitamin D may be eased or avoided by taking magnesium alongside vitamin D supplements.

Possible Vitamin D Side Effects

The most common reason people experience severe side effects associated with vitamin D is taking excessive amounts. This causes an increase in blood calcium. Some early symptoms that someone is experiencing vitamin D toxicity include nausea, vomiting, diarrhea, constipation, weakness, excessive thirst, an altered level of consciousness, high blood pressure, and kidney failure or hearing loss may also develop (NIH, 2020)

Vitamin D toxicity can be dangerous, and to treat it, your health care provider may recommend avoiding all exposure to the sun, stopping any vitamin D supplements you are taking immediately, and avoiding foods rich in vitamin D. If you experience vitamin D toxicity, it may take a few months for the issue to resolve because the excess vitamin D is stored in fat.

Other possible side effects to be aware of include fatigue and sleepiness, headaches, loss of appetite, a dry mouth, and a metallic taste in the mouth. If you are experiencing side effects connected with your vitamin D injections and the side effects either persist or worsen, you should immediately contact your healthcare provider. If you think you are having an allergic reaction, which may present as swelling of the mouth and throat, rashes, or wheezing and trouble breathing, you should stop the injection therapy immediately and go to an urgent care or emergency room.

Frequently Asked Questions

Do vitamin D injections hurt?

This depends on a patient’s pain tolerance, however, as seen from the vitamin D3 injection reviews, they typically do not hurt as long as they are administered appropriately. Your health care provider will instruct you on how to administer the shot to minimize any pain, swelling, redness, and irritation around that area, but other than that, the injections should not be painful.

Are vitamin D injections safe?

Yes, vitamin D3 injections are thought to be generally safe for a majority of patients. You should probably perform an allergy test before administering any high doses of vitamin D injections, however, to ensure that you won’t have an allergic reaction to the supplement. Vitamin D is unsafe, though, when it is taken in high amounts. This is called vitamin D toxicity and happens when vitamin D levels are so high that it causes damage instead of offering benefits. 4000 IU is thought to be the maximum daily vitamin D intake that is still safe. However, doses up to 10,000 IU have typically not been shown to cause toxicity in healthy individuals (NIH, 2020).

Who should avoid taking vitamin D3 injections?

There are several conditions where taking vitamin D could make the condition worse. Those who already have high levels of calcium in their blood should avoid vitamin D, as it may make their condition worse. This is the same for those with hardening of the arteries (known as atherosclerosis), those with histoplasmosis (a fungal infection), those with hyperparathyroidism (an overactive parathyroid gland), and those with lymphoma (a type of cancer). People with kidney disease should also take caution with vitamin D supplementation, as well as people with tuberculosis. Vitamin D supplements may increase calcium levels in these patients and lead to further complications such as kidney stones.

Finding a Quality Vitamin D3 Injection

After learning more about vitamin D and reading vitamin D3 injection reviews, you may feel you’re ready to move forward in starting vitamin D3 supplemental injections. The first step is to consult with a healthcare provider. It is important to consult with a healthcare provider before starting any new prescription medication or supplement, and Vitamin D injections require a prescription. Then, you may wonder where to find a high-quality vitamin D3 formula for an affordable price. Consider starting your vitamin D journey with Invigor Medical.

Invigor Medical is a full-service online telehealth clinic dedicated to offering the most beneficial experience to our patients. As for the compounds we use for our medication, they come from Olympia Pharmacy, a respected and trusted compounding facility. The equipment they use to produce and manufacture medication is state-of-the-art, and their staff is highly qualified and credentialed to handle chemicals and prescription-grade medications. Olympia Pharmacy is based in Orlando and is a 503B outsourcing facility. That means that you can have confidence because our medications are of high quality and undergo rigorous testing. All of our products either meet or exceed the national standards for medication and supplements.

To find out more about Invigor Medical, or to purchase a vitamin D3 injectable solution today, please visit our website at https://invigormedical.com/.

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DISCLAIMER

While we strive to always provide accurate, current, and safe advice in all of our articles and guides, it’s important to stress that they are no substitute for medical advice from a doctor or healthcare provider.  You should always consult a practicing professional who can diagnose your specific case.  The content we’ve included in this guide is merely meant to be informational and does not constitute medical advice. 

References:

National Institutes of Health Office of Dietary Supplements – Vitamin D. (2020). Retrieved from https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/