Chapter 4: The Role of Nutrition and Lifestyle
Healthy nails depend on healthy habits. Proper nutrition provides the building blocks necessary for strong nail growth and maintenance.
Protein is particularly important because nails are largely composed of keratin. Vitamins such as biotin, vitamin B12, and vitamin D also play important roles in maintaining nail health. Minerals including iron and zinc contribute to normal growth and structure.
Hydration is another often-overlooked factor. Dry nails may become brittle and more prone to splitting or developing noticeable ridges. Protecting hands from excessive moisture loss and environmental damage can help maintain nail quality.
Regular exercise and adequate sleep support circulation and overall wellness, which may indirectly influence nail growth. Meanwhile, smoking and chronic stress have been associated with various changes in skin, hair, and nail appearance.
While nutritional supplements are often marketed as solutions for nail concerns, healthcare professionals recommend identifying the underlying cause before beginning supplementation. Taking unnecessary supplements may not provide benefits and can sometimes create additional issues.
Maintaining a balanced diet, staying hydrated, and practicing good nail care remain among the most effective strategies for supporting healthy nails.