Healthy Foods and Vitamins

Harmful Effects of Vitamins


Vitamins are organic compounds that the human body cannot manufacture, or manufactures in small quantities that are not sufficient for its needs.

Most of them are obtained from food, as the body needs them in small quantities to maintain its health. There are 13 known types of vitamins , divided into two parts, one of which is fat-soluble vitamins.

Which are stored in the fatty tissues found in the body and liver, and include vitamin A, vitamin D, vitamin K, and vitamin E.

Harmful effects of vitamins

The second section is water-soluble vitamins, which the human body cannot store, but rather excretes excess amounts through urine.Therefore, their sources must be consumed on a regular basis, and they include both the B vitamins and vitamin C.

It is worth noting that despite the importance of these vitamins for humans, taking large quantities of them through nutritional supplements may cause some health problems, and therefore a provider must be consulted. Healthcare to determine the permissible and recommended quantities of these supplements.

Harmful Effects of Vitamins

Some people use multivitamins, which are nutritional supplements that include many vitamins, and are used to provide the need for vitamins that people do not take through food.

They are used to treat vitamin deficiency resulting from some diseases, digestive problems, malnutrition , pregnancy, or other things, but attention must be paid to the necessity of avoiding taking larger than recommended amounts of these vitamins, or using more than one type at once, as it may.

This causes some side effects, and it is also worth noting the need to consult a doctor immediately if taking large amounts of vitamin A, vitamin D , vitamin E, or vitamin K, because excess of them may cause harm that may threaten a person’s life in some cases, and in addition In addition, the recommended dose of these vitamins varies during pregnancy , and therefore a pregnant woman must consult a doctor before taking them.

Among the harms that can be caused by taking multivitamin supplements are the following:

Causing temporary side effects: Starting to take multivitamin supplements may cause some temporary harm, such as constipation , diarrhea, or stomach disorders, but these symptoms quickly disappear when the human body gets used to taking them, but it is worth noting the need to consult a doctor if they continue. These symptoms may worsen or worsen.

Causing problems for people who suffer from some conditions: A doctor must be consulted if the person suffers from one of these problems:

Allergies: Allergies to multivitamin supplements are rare, but some people may suffer from a serious allergy when taking them, and they will develop some symptoms, such as difficulty breathing, itching, skin rash, dizziness, and swelling of the throat, tongue, or face.

People who suffer from an allergy to soy or peanuts are also advised to inform their doctor or pharmacist, and pay attention to the ingredients of the prescribed vitamins, because they may contain inactive compounds that may cause an allergic reaction, or other problems for them.

Vitamin B12 deficiency: This is a condition called pernicious anemia. People with this condition are advised not to take supplements that contain folic acid , because it may affect some laboratory tests for vitamin B12 without treating the anemia. Leaving it may lead to Untreated vitamin B12 deficiency can lead to serious nerve damage, called peripheral neuropathy.

Suffering from some diseases: such as liver, intestinal, or stomach problems. These people are advised to consult a doctor before starting to take these supplements.

Interaction with some medications: Taking these supplements with some medications may cause a change in the action of the medications, or increase the possibility of serious side effects, so people who take these medications are advised not to take vitamin supplements except after consulting a doctor, and these medications include:

Antacids, bisphosphonates, levodopa, thyroid medications, and some types of antibiotics, as taking these medications may conflict with vitamin supplements that contain iron .

Anti-epileptic medications: People who take these medications are advised not to take them with vitamin supplements that contain folic acid, because it affects the results of laboratory tests and leads to false results.

People Who are Recommended to Take Vitamins

Taking multivitamin supplements is not necessary for all people, and there is not sufficient evidence to confirm their benefits, and they may cause some harm, as mentioned previously.

Therefore, it is recommended to follow a healthy and balanced diet, which ensures the maintenance of good health for long periods.

If If you suffer from a deficiency in one of the nutrients, it is recommended to take supplements of the same nutrient, not multiple supplements that contain different types of vitamins, which the body may not need.

The elderly: As aging leads to decreased absorption of vitamin B12, the elderly also need vitamin D and calcium in larger quantities than others.

Vegetarian people: These people are more susceptible to vitamin B12 deficiency, because it is only available in animal sources. They may also have low levels of some other nutrients, such as vitamin D, zinc, calcium, iron, and omega-3 fatty acids.

Pregnant and breastfeeding women: They may need some nutrients, but women in these periods must consult a doctor before starting to take these supplements. Because some vitamins may cause birth defects if taken in large quantities, such as vitamin A.

Some other cases: People who have undergone weight-loss surgery, follow a very low- calorie diet , or suffer from a lack of appetite are advised to take multivitamin supplements, because they may not be able to obtain sufficient amounts of nutrients. The mission is through food only.

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Zaheer Ahmad

I am Zaheer Ahmad. Currently I am doing P.hd on Human Nutrition and Dietetics from Sorbonne University. Previously, I have also done masters in Molecular Nutrition and Food Technology.

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