Why Are Young Adults So Affected?

As of 2025, vitamin and mineral deficiencies have shown a significant rise among young populations. Experts point to several key causes:

  • Irregular eating habits

  • Overconsumption of processed foods

  • Transition to vegan or vegetarian diets

  • Social media-driven restrictive or unbalanced diets

  • Prolonged indoor lifestyle and vitamin D deficiency

Most Common Vitamin Deficiencies and Their Symptoms

Vitamin B12 Deficiency

  • Memory problems

  • Poor concentration

  • Tingling in hands and feet

  • Persistent fatigue
    Recommended test: Serum B12 and homocysteine levels
    📌 According to a 2025 study, 28% of individuals aged 18–30 have B12 levels below the reference range.
    (Source: European Journal of Nutrition, 2025)

Vitamin D Deficiency

  • Constant tiredness

  • Muscle and bone pain

  • Depressive mood

  • Weakened immune system
    Recommended test: 25(OH)D vitamin level test

Iron Deficiency (Anemia)

  • Pale skin

  • Brittle nails

  • Shortness of breath

  • Heart palpitations
    Recommended test: CBC, ferritin, and serum iron
    Visual suggestion: Diagram showing nail changes due to anemia

Biotin (Vitamin B7) Deficiency

  • Hair thinning

  • Dry skin

  • Brittle nails

  • Difficulty concentrating
    Recommended test: Serum biotin level (rarely ordered, evaluated alongside symptoms)

Folic Acid Deficiency

  • Loss of appetite

  • Dizziness

  • Mild depressive symptoms

  • Sores at the corners of the mouth
    Recommended test: Folate level and MCV from a complete blood count

Case Study: “Hair Loss Led to a Diagnosis of B12 and Vitamin D Deficiency”

A 24-year-old woman consulted a dermatologist after six months of hair loss. Blood tests revealed low levels of both vitamin B12 and D. After three months of supplementation and dietary changes, her hair loss decreased and energy levels improved.

How Are Vitamin Deficiencies Detected in 2025?

New-generation blood tests allow for more precise detection. Many clinics now offer personalized micronutrient screening panels.

Common test panels in 2025:

  • Micronutrient panel

  • Functional vitamin assessments

  • Genetic predisposition tests

When Should You Get Tested?

If you’re experiencing three or more of the following symptoms, consult a healthcare professional:

  • Low energy throughout the day

  • Hair and nail issues

  • Lack of focus

  • Appetite loss or dizziness

  • Muscle pain or cramps

Don’t Ignore Vitamin Deficiencies in Your 20s

Nutrient deficiency is no longer just a concern for underdeveloped regions. In 2025, it’s a side effect of modern life. Taking symptoms seriously and getting tested early is essential for both your physical and mental health.

Call to Action:
If you’re dealing with fatigue, forgetfulness or hair loss, don’t delay your tests. Use Medifinder to locate the nearest lab and take action today!