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vigantol - symptoms 13 that can indicate a deficiency Vitamin D


What are the symptoms of low vitamin D? vitabiotics vitamin D is hormone-like formed in our skin because of UV-B radiation.

However, vitamin D deficiency is common in these latitudes, especially in winter. 

We show you 13 symptoms and signs that can indicate a fault.

symptoms 13 that can indicate a deficiency of vitabiotics vitamin d

The function of vitabiotics vitamin d

  • vitabiotics vitamin d - the sunshine vitamin - is a real all-rounder among the fat-soluble vitamins and has hormone-like functions in the body. It balances the calcium and phosphate levels and thus promotes the mineralization and formation of our bones.
  • Vitamin D also contributes to the normal functioning of muscles and the immune system. This is especially clear when we get too little vitamin D.
  • Various factors such as skin type, age, how long you have been outdoors, or previous illnesses influence the vitamin D production in your skin because we cover 80 to 90 percent of our vitamin D requirement through the UVB radiation of the sun.

 symptoms 13 that can show a deficiency of vitabiotics vitamin d

Because of the low solar radiation in winter, many people experience a slight weakness.

  • You can have a vitamin D deficiency diagnosed with a blood test at your next doctor's appointment.
  • There are now also practical test kits that you can use to have your vitamin D level determined at home, e.g., from Corcoran or Lyon.
There are also practical test kits that you can use to have your vitamin D level determined at home, e.g., from Corcoran or Lyon. 

 - These 13 symptoms and consequences can show a vitamin D deficiency.
  1. Weakened immune system
  2. Weak muscles
  3. Porous or soft bones
  4. Winter blues and depressed mood
  5. Tiredness and concentration problems
  6. vitamin D Help You Sleep
  7. Poor blood sugar levels
  8. Multiple sclerosis
  9. Frequent colds
  10. Cravings
  11. Decreased fertility
  12. Muscle pain
  13. Headache

1. Weakened immune system

vitabiotics vitamin d

vitabiotics vitamin d plays a central role in the immune system because it stimulates the production of the body’s defenses that have an antiviral and antibacterial effect. 

Vitamin D also has an anti-inflammatory effect, prevents autoimmune diseases, and ensures that fighting pathogens can fight pathogens better.

With a vitamin D deficiency, these functions are restricted so that your immune system is significantly weakened, and you are more susceptible to infections and other diseases.

2. Weak muscles

vitabiotics vitamin d

A vitamin D deficiency can become noticeable through reduced sports performance and everyday life.

If the sun vitamin is missing, the so-called muscle tone is reduced–the tension and readiness of your muscles.

This is critical for older people, leading to more falls and fractures.

But regular performance losses can also show a vitamin D deficiency in younger people.

If you notice during sport that you can no longer match your previous performance, seek a discussion with your family doctor or sports medicine specialist. 

3. Porous or soft bones

In childhood, a severe vitamin D deficiency can lead to so-called rickets, which leads to excessive abnormal growth and malformations of the bones.

This used to be expected in societies where children had to work underground. Luckily, those days are behind us.

However, bone problems because of vitamin D deficiency are now more common among older people.

Vitamin D ensures that calcium is built into the bones in the body. In the event of a deficiency, these can become porous and brittle, as often happens in women after menopause (osteoporosis).

4. Winter blues and depressed mood

Vitamin D is essential for mood.

Meanwhile, many types of research show that vitamin D can help with a bad mood and even with depressive moods.

So if the winter blues hit in the dark months, a vitamin D deficiency is often to blame for the depressive mood.

A diagnosed depression can have many causes and requires immediate medical and psychotherapeutic care.

5. Tiredness and concentration problems

Fatigue is a typical symptom that often occurs with vitamin or nutrient deficiencies.

Vitamin D deficiency is no exception.

In addition, the darkness and the melatonin released with it ensure that we are more tired and have difficulty concentrating.

6. vitamin D Help You Sleep

In 2017, Iranian scientists examined the influence of vitamin D on sleep quality and found that taking vitamin D regularly can help you fall asleep and stay asleep better.

The sleep duration of the test subjects, who felt fitter and more productive during the day, also increased.

7. Poor blood sugar levels

The blood sugar level can also suffer from an insufficient supply of vitamin D in our body.

It increased this in the case of vitamin D deficiency in the fasting state (fasting blood glucose).

High blood sugar levels can promote inflammation and, in the long term, lead to insulin resistance and type 2 diabetes.

A vitamin D deficiency can also be dangerous for diabetics since the long-term blood sugar level (HbA1c) can also be increased.

8. Multiple sclerosis

It has not yet been conclusively clarified whether a vitamin D deficiency is a cause or a consequence of MS diseases.

The Danish research team led by Note Munk Nielsen impressively showed in 2017 that an insufficient vitamin D status in newborns is associated with an increased risk of later developing MS.

They compared the blood values of 521 newborns who had developed multiple sclerosis in adulthood and 972 comparison subjects who remained healthy.

The results underline how vital an optimal vitamin D supply during pregnancy is for the future child.

9. Frequent colds

Dry heating air and circulating cold viruses make us susceptible to upper respiratory tract infections in winter.

But according to the German Society for Nutrition (DGE), a vitamin D deficiency also makes it easier for us to catch a cold.

The severity of the deficiency is also crucial: the more significant the deficit, the more susceptible we are to catching colds.

Conversely, the DGE ascribes a preventive effect against upper respiratory tract infections to supplementation with vitamin D tablets.

However, vitamin D does not help acutely against a cold that has already broken out.

10. Cravings

A vitamin D deficiency can trigger cravings as our body realizes that it is missing an essential vitamin or hormone.

Through the ravenous hunger, he signals the deficiency to you.

So if you suffer more from food cravings in the late winter months of February and March, you should have your vitamin D level checked by a doctor you trust to be on the safe side.

11. Decreased fertility

An insufficient supply of vitamin D can also affect your fertility.

Researchers at the University of Graz found this in a systematic review in 2012.

The scientists found that it restricted the production of sex hormones in both men and women who had low vitamin D levels.

Likewise, the semen quality of the male subjects and the pregnancy rate of the issues suffered from the deficiency.

The researchers attribute that vitamin D is involved in the production of testosterone and estrogen in the testicles and ovaries and the formation of the egg cells.

12. Muscle pain

Besides muscle weakness and declining performance in sports, muscle pain and body aches can also occur with a vitamin deficiency.

It is also possible that you are more affected by sore muscles or exhaustion after intensive sports sessions.

13. Headache

Like most nutritional deficiencies, vitamin D deficiency can cause headaches and dizziness.

Such diffuse deficiency symptoms are relatively common, but they do not show a specific vitamin or mineral deficiency.

Therefore, a visit to the doctor you trust is recommended if headaches plague you over a more extended period.

A blood test can then determine whether and which deficiency exists.

Rare symptoms of vitamin D deficiency 

  • hair loss
  • nervousness
  • poor eyesight
  • nerve pain

These diseases promote vitamin D deficiency

In countries with less sun, a vitamin D deficiency usually occurs because of a lack of sun exposure in the summer months, which means the stores are not sufficiently replenished.

For this reason, many people in Germany run out of vitamin D stores towards the end of winter, which can lead to an under-supply or, in rarer cases, to a natural vitamin D deficiency.
However, according to, certain diseases can also cause a vitamin D deficiency or make it more likely:

 How to prevent vitamin D deficiency

If you keep a few things in mind, you may avoid a vitamin D deficiency.

Eat a balanced, healthy diet and include fatty fish, egg yolks, liver, and red meat in your diet.

You can also absorb vitamin D from dairy products and certain edible mushrooms.

Since most of it is absorbed through the sun’s rays, top up your vitamin D stores between March and October by going out a lot.

It’s not that easy in winter, but even then, spend at least half an hour outside in the daylight.

Tip: You should never take vitamin D preparations yourself, as there is a risk of overdose or there may not be a deficiency.

Suppose your doctor has already diagnosed you with a deficiency. It would help if you always took vitamin D with vitamin K2. These have a synergistic effect in the body, for example, when building bone substances, complementing each other.

Fortunately, many manufacturers take this into account, e.g., you will find corresponding preparations with vitamin D and K2 here in capsule form or drop form from around 20 euros.