Vitamin deficiencies affect millions of people worldwide, yet the signs are often subtle and easily dismissed as normal stress or aging.
1. Chronic Fatigue and Weakness
One of the most common symptoms, persistent tiredness that doesn't improve with rest often indicates deficiencies in B12, iron, or vitamin D. These nutrients are crucial for cellular energy production and oxygen transport.
2. Frequent Infections
If you find yourself catching colds easily or healing slowly from wounds, your immune system may be compromised by vitamin C, D, or zinc deficiencies. These nutrients are essential for immune function and tissue repair.
3. Mood Changes and Depression
Vitamin D, B12, and folate play critical roles in neurotransmitter production. Deficiencies in these nutrients have been linked to depression, anxiety, and cognitive decline.
4. Hair Loss and Brittle Nails
Iron deficiency (anemia) and biotin (B7) deficiency commonly cause hair thinning and brittle nails. These symptoms often appear before other more severe deficiency signs.
5. Poor Wound Healing
Slow healing wounds, bruises that don't fade, or easy bruising may indicate vitamin C or K deficiencies. These vitamins are essential for collagen synthesis and blood clotting.
Expert Recommendation
If you experience multiple symptoms, consult with a healthcare provider for proper blood testing and personalized supplementation guidance.