Nutrient testing: why is it needed and how is the examination performed?
Nutrients are substances necessary for the body to ensure vital functions: energy expenditure, growth, tissue renewal, immunity and metabolism. Nutrients include macronutrients (proteins, fats, carbohydrates), micronutrients (vitamins, minerals), as well as other biologically active components. A deficiency or excess of these substances can lead to health disorders, reduced performance and the development of chronic diseases.
Who is recommended to have a nutrient check?
People with chronic fatigue, apathy or sleep disorders
For patients with skin, hair, and nail problems
For those following a vegetarian or vegan diet
Women during pregnancy or lactation
For adolescents during the period of active growth
For the elderly
Those who take medications for a long time that affect the absorption of vitamins
In the presence of chronic diseases of the gastrointestinal tract
What nutrients are most often tested?
Vitamin D — affects bone condition, immunity, mood
Ferritin (iron reserves) — a key indicator when anemia is suspected
Cyanocobalamin (vitamin B12) — important for the nervous system, hematopoiesis
Folate (vitamin B9) — especially important for women of childbearing age
Magnesium, zinc, selenium, potassium, calcium — trace elements that support muscle activity, heart function, and immunity
Albumin, total protein — evaluate protein metabolism
Vitamins A, E, K — fat-soluble antioxidants
Omega-3 fatty acids — important for blood vessels, brain, vision
Nutrient testing methods
Biochemical blood test is a standard method for determining the level vitamins, minerals, proteins and fatty acids
Urine analysis — to study the excretion of certain trace elements (iodine, magnesium, calcium)
Hair analysis — can indicate long-term micronutrient balance, although less accurate for individual nutrients
Genetic testing — to identify a predisposition to impaired absorption of certain substances
How to prepare for tests
Donate blood on an empty stomach (not eating for 8–12 hours)
Avoid fatty foods, alcohol, and physical exertion for 1–2 days.
Inform your doctor about taking vitamin complexes - they may affect the results
What regular nutrient testing provides
Detecting deficiencies at early stages
Individual selection of nutrition or vitamin therapy
Preventing complications — from anemia to osteoporosis or depression
Monitoring the effectiveness of treatment or lifestyle changes
Regular nutrient monitoring allows you to not only prevent health problems, but also maintain a balance of vital substances according to your individual needs.
Director of Medi Lab Plus LLC, a doctor of the highest category. Has over 45 years of practical experience in medicine and laboratory diagnostics. Founder and head of the laboratory since 2007. More details…