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Dietician lists always-deficient vitamins: Check your levels now

Dietician lists always-deficient vitamins: Check your levels now Illustrative photo (Photo: Freepik)
Author: Daria Shekina

In the winter period, the human body often suffers from a deficiency of certain vitamins. This is due to the absence of a large number of seasonal vegetables and fruits. Therefore, in such cases, it is worth looking for these vitamins in available products, monitoring blood indicators, and not forgetting about additional intake of vitamins.

RBC-Ukraine, based on a post by dietitian Tetiana Lakusta on Instagram, explains which vitamins are most often needed by a person.

Vitamin B12

Taking metformin, Helicobacter pylori infection, drugs to reduce acidity, chronic alcohol consumption, veganism, bariatric surgery, and reduced pancreatic function are all reasons for regular checking of the vitamin B12 levels in the blood.

It is optimal to do this once a year. Vitamin B12 intake can be therapeutic once a year or prophylactic twice a year (500 mcg/day).


Approximately every third woman in menopause faces reduced bone density, which, in turn, leads to a risk of fractures.

To check the calcium level, one can undergo X-ray densitometry or take calcium preventively at 1000 mg with 1000 units of vitamin D.

In the risk group of calcium deficiency are people who take loop diuretics, exclude dairy products from their diet, or take drugs to reduce acidity.

Vitamin D

Its deficiency and impaired absorption increase with age. This is due to the impaired metabolism of the vitamin resulting from kidney and liver conditions.

Elderly people should take it regularly. Those at risk include those who lack exposure to the sun; those taking carbamazepine, and phenobarbital; people with kidney and liver diseases, and reduced pancreatic function.

Vitamin D should be taken preventively from October to May without determining the level - 1000 units per day.


In the risk group of deficiency are women with menstruation (normal and pathological), pregnant and breastfeeding women, blood donors, people with helminthic invasion, intense physical training, drugs reducing acidity, and poor nutrition.

Dietitians advise women to take 25-50 mg of iron to prevent deficiency with each menstrual cycle.

Earlier, we discussed the preventive intake of vitamins to support the nervous system.

This material is for informational purposes only and should not be used for medical diagnosis or self-treatment. Our goal is to provide readers with accurate information about symptoms, causes, and methods of detecting diseases. RBС-Ukraine is not responsible for any diagnoses that readers may make based on materials from the resource. We do not recommend self-treatment and advise consulting a doctor in case of any health concerns.