10 Vitamin B12 Deficiency Symptoms That Appears On Nails

Nutrient deficiencies can affect your fingernail growth and strength. Look out for these 10 signs and symptoms.

21 Aug, 2023

Satata Karmakar

Blue Nails

Nails may appear bluish due to reduced oxygenation of tissues resulting from anaemia.

Source: Thehealthsite

Spooning

When you are vitamin B12 deficient, a disease known as koilonychia can happen when the nails grow concave or spoon-shaped.

Source: Thehealthsite

Pale Nails

Low B12 levels can lower the synthesis of red blood cells, which can result in anaemia.

Source: Thehealthsite

Yellowish Nails

Due to a reduction in the amount of oxygen reaching the nail bed, anaemia can show up as pale or yellowish discolouration of the nails.

Source: Thehealthsite

Brittle Nails

Lack of B12 can cause structural changes in the nails, increasing their susceptibility to breaking, cracking, and peeling.

Source: Thehealthsite

Hyperpigmentation

Vitamin B12 deficiency can also lead to hyperpigmentation in some cases.

Source: Thehealthsite

Blue-Black Pigmentation

Blue-black pigmentation with dark longitudinal streaks can also occur in rare cases.

Source: Thehealthsite

Dark Thumbnail

Thumbnail pigmentation is also another common sign of vitamin B12 deficiency.

Source: Thehealthsite

Darkening of Cuticles

Unusual cuticle darkening is a sign that you are suffering from vitamin B12 deficiency.

Source: Thehealthsite

White Nails

White or grey nails can result due to an acute deficiency of vitamin B12.

Source: Thehealthsite

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