Nails don’t just reflect grooming—they can hint at your overall health. Changes like vertical ridges are common and often part of aging, but more noticeable ridges, brittleness, or splitting may point to nutritional gaps.
Strong nails depend on key nutrients. Protein supports keratin (the main nail structure), while biotin helps strengthen and thicken nails. iron and zinc support growth and repair, and low levels can lead to weak or irregular nails. Healthy fats like omega-3 fatty acids help keep nails hydrated and flexible.
A balanced diet with foods like eggs, fish, legumes, nuts, and leafy greens—plus staying hydrated—can improve nail strength over time. Results take consistency, not quick fixes.
However, some changes shouldn’t be ignored. Deep horizontal lines, dark streaks, sudden discoloration, or pain may signal underlying issues and should be checked by a doctor.
In short, healthy nails start from within—what you eat and how you care for your body will show on the outside.