Common Skin Signs of Nutritional Deficiencies

Skin, nails, and nerves often reflect what your body lacks internally, says Dr Aanchal. Subtle changes may signal nutritional deficiencies long before serious symptoms appear, making early recognition essential for overall health.

Redness, cracking, or dermatitis around the mouth is often linked to zinc deficiency. Zinc supports skin repair, immune response, and barrier protection, making it crucial for healthy, resilient skin.

Persistent flaking or scaling on sun-exposed skin may indicate vitamin B-complex deficiency, particularly niacin. These vitamins help skin regenerate and protect against environmental damage.

Numbness in legs or pigmented, scaly patches on lower limbs can be warning signs of vitamin B12 deficiency, which affects nerves, pigmentation, and healthy skin cell formation.

Nails curving inward or breaking easily often point to iron deficiency. Iron helps deliver oxygen to tissues, and its lack can weaken nails, hair, and skin structure.

Transverse ridges across nails may reflect protein-energy malnutrition or deficiencies in zinc and B vitamins, indicating long-term nutritional stress affecting nail growth.

Cuts that take longer to heal can signal low vitamin C, zinc, or protein levels. These nutrients are vital for collagen formation, immune defence, and tissue repair.

Pinpoint bleeding spots or easy bruising may indicate vitamin C or vitamin K deficiency, both essential for blood vessel strength and proper clotting mechanisms.

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