Vitamin Deficiency: Symptoms & Diagnosis

White spots on nails (leukonychia): zinc, calcium and other deficiencies. Let's look at the causes, what to do and food sources.

If colds happen too often, it is worth checking immunity. Key micronutrients — vitamin D, zinc and vitamin A. We look at how deficiencies are linked to frequent illness.

Bleeding gums is a common symptom. Most often it is gingivitis, but sometimes the cause is vitamin C, bioflavonoid or vitamin K deficiency. From classic scurvy to subclinical conditions.

Bloating and heaviness after eating: stomach acid, enzyme and bile flow deficiencies. Let's look at causes, symptoms and food sources.

Anxiety and panic attacks: the role of magnesium, inositol and vitamin B6. Mechanisms, sources and how to replenish.

Elevated anxiety and panic attacks: the role of magnesium, inositol and vitamin B6. Let's look at the mechanisms, dosages and food sources.

Mucous membranes and immunity: the first line of defense. Vitamin A, zinc, vitamin D and food sources. Let's look at it with tables.

Morning edema: sodium/potassium imbalance, vitamin B6 and protein deficiency. Let's look at the causes, mechanisms of fluid retention and how to fix them.

Brain fog and reduced concentration: vitamin B12, choline and omega-3 DHA deficiency. Signs, causes, sources and how to replenish.

Increased sugar cravings: how chromium, magnesium and insulin sensitivity are linked. Mechanisms, the role of nutrients, foods, norms and practical recommendations.

Magnesium and zinc deficiency: how to recognize it, why these minerals are lacking, symptoms and food sources. Let's look at it with tables.

Vitamin K2 deficiency: signs, role in vessel calcification, bone and heart health. Sources, norms, how to replenish.

Vitamin B deficiency: signs, fatigue, energy and metabolism. The role of B1, B2, B3, B6, B9, B12, sources, norms, how to replenish.

Insomnia and frequent night waking: how magnesium deficiency, glycine and melatonin synthesis are linked. Mechanisms, the role of nutrients, foods, norms and practical recommendations for restful sleep.

Dry eyes and grittiness may be linked to a lack of Omega-3, vitamin A and riboflavin (B2). We break down the mechanisms and food sources.

Muscles and connective tissue: muscle strength, hyaluronic acid and MSM for ligaments and joints. Let's look at it with tables and dosages.

Hair loss and brittle nails: connection with deficiency of zinc, iron, protein, biotin and vitamin D. Diagnosis, norms and food sources.

Vitamin D sensitivity and high doses: signs of hypercalcemia, overdose and how to avoid risks. Let's look at it in detail.

Chronic fatigue and morning tiredness are often linked not to laziness but to hidden deficiency of iron, ferritin and vitamin B12. A breakdown of benefits, food sources, daily and monthly norms and tests.

Slow wound healing and bruising: how vitamin C, zinc and protein are linked. Mechanisms, the role of nutrients, foods, norms and practical recommendations.