What are the symptoms of vitamin deficiency?

Symptoms of vitamin deficiency vary depending on the type of vitamin lacking, as detailed below: 1. Vitamin A deficiency: May lead to night blindness, dry and itchy eyes, dry skin, decreased vision, weakened immunity, delayed growth and development, increased risk of fractures, anemia, and indigestion. 2. Vitamin B deficiency: Includes deficiencies in various B-complex vitamins. For example, vitamin B1 deficiency may cause fatigue, headache, and muscle pain; vitamin B2 deficiency may result in redness and swelling at the corners of the mouth and eyelids, as well as photophobia and tearing; vitamin B6 deficiency may lead to chapped lips and seborrheic dermatitis. 3. Vitamin C deficiency: Predisposes individuals to scurvy, such as bleeding gums, and may also cause mental discomfort, weakened immunity, osteoporosis, and gum swelling.