What vitamin deficiency causes vertical lines in fingernails?
What vitamin deficiency causes vertical lines in fingernails?
What vitamin deficiency causes vertical lines in fingernails?
Our nails naturally develop slight vertical ridges as we age. However, severe and raised ridges can be a sign of iron deficiency anemia. Nutritional deficiencies, such as a lack of vitamin A, vitamin B, vitamin B12 or keratin can result in fingernail ridges. Hormonal changes can also cause ridges to appear.