Unexplained Fatigue – Constant tiredness may be a sign of a vitamin D or B12 deficiency.

Brittle Nails – Weak, splitting nails can indicate a lack of biotin or iron.

Hair Loss – Significant hair thinning may be linked to low levels of vitamin D or iron.

Mouth Ulcers – Recurrent sores in your mouth can signal a deficiency in B vitamins or iron.

Pale Skin – A lack of vitamin B12 or iron can make your skin appear unusually pale.

Dry Skin – Persistent dryness could be a sign of vitamin A or vitamin E deficiency.

Poor Night Vision – Struggling to see in low light may indicate low levels of vitamin A.

Bleeding Gums – Gum issues can be an unexpected sign of vitamin C deficiency.