Have you seen any lines on your nails recently? Although usually not a cause for concern, these marks can sometimes indicate hidden health problems or lack of nutrients. Here is more information about what creates lines on nails and when it might be a good idea to see a doctor. 1. Getting Older As you age, it is common for vertical lines on your nails to become more noticeable. These lines usually go from the base to the end of the nail and are usually not a problem. 2. Lack of necessary nutrients. Not having enough of some nutrients can also cause changes in nail health, like the development of vertical lines on the nails. Essential nutrients for keeping nails healthy are: Protein: Nails are mostly composed of a protein named keratin. Not having enough protein can make it hard for your body to create strong and healthy nails. Vitamin B12: Not having enough B12 can make your nails change color and texture. Low levels of iron can cause vertical lines on nails and sometimes nails that look like spoons. 3. Dehydration is when your body loses too much water.

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