In recent years, vitamin D deficiency has been accused of widespread disease. With vitamin D supplements, an open war was declared, in pharmacies across Switzerland, drops and tablets sold. The vitamin D in many preparations now appears to be very high – and you can poison yourself with it.
In winter, vitamin D is on everyone's lips – literally. Lack of sun-vitamin deficiency was thought to be dangerous: a deficiency of it can lead to osteoporosis, heart disease, and even cancer. The main source of the vitamin is the sun. Since the majority of the population does not spend the summer in the sun and is not protected by sunscreen, the body cannot store vitamin D in winter.
What does vitamin D really do?
Now we questioned the hype surrounding several work vitamins. It is clear that vitamin D is important for the absorption of calcium and phosphates. Thus, it plays an important role in the regulation of bone material. Since many organs of the body are vitamin D receptors, it has been suggested that they also help in non-skeletal conditions such as asthma, cardiovascular disease, diabetes, depression, dementia and multiple sclerosis. This is seen in many diseases associated with low vitamin D levels.
The International Prevention Research Institute in Lyon has now tested these assumptions and found that 10 to 20 micrograms of vitamin D intake daily had no effect on diseases that did not affect bone. The exceptions were asthma and respiratory tract infection that responded positively to this treatment – but it was not enough to suggest vitamin D as a preventive protection.
What are the disadvantages of vitamin D?
The trend towards vitamin D has already led to devastating consequences: many cases of vitamin D poisoning are known in Germany because of the overdosing of vitamin D supplements. Vitamin D is liposoluble and cannot be excreted in the urine, resulting in overdose of liver poisoning. A research team at Uppsala University in Sweden found that very low and high levels of vitamin D were also associated with an increased risk of cancer death.
Overdose of dietary supplements
A study by Öko-Test shows how you overdosed your vitamin D dose and how you poisoned yourself. For this purpose, Ökotest has been tested for 21 vitamin D supplements, five for non-prescription drugs and 16 traditional dietary supplements. The Federal Risk Assessment Institute (BfR) recommendation of 20 micrograms per daily dose was taken as a guideline. The result is frightening: the majority of dietary supplements go through the recommended daily allowance. Eight high-level, four reach a height of 25 micrograms, and four reach the peak of 42.5 micrograms. However, the drugs are green.
How to identify vitamin D deficiency?
Preventive use of complete vitamin D may be dangerous. Therefore, preventive measures against bone loss and other skeletal diseases should only be performed after consultation with a specialist. Common disorders, fatigue, bones, hair loss, back, muscle and bone pain, and poor wound healing are classic symptoms of vitamin D deficiency. If you suspect an openness, the values should first be checked professionally and treated in consultation with a doctor.
In winter, many suffer from lack of vitamin D. No wonder that the person absorbs most of the important vitamins by the sun's rays.
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How do you prevent vitamin D deficiency naturally?
In summer, it is recommended to regularly sunbathe for 5 to 25 minutes depending on your skin type. Vitamin D is then stored in oil and serves as a substitute for winter without sun. Vitamin D is also found in a smaller amount in salmon, herring and mackerel and butter, egg yolk and porcini mushrooms.
Between October and March, the sun is very weak in our latitude. We know vitamin D is important. This occurs when the sun is exposed to the skin. Many diseases from colds to cancer are associated with vitamin D deficiency. In summer, about half of the population is undernourished by vitamin D – even if 30 nanograms per milliliter is enough.